Ex-proof stainless steel EXD box:
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Ex-proof box Spectron-KV-Exd-N is a fixed device intended for commutation, transmitting, receiving, control and other electrotechnical equipment and devices in all explosively hazardous areas
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Marking 1Ex d IIC Т3/Т4/T5/T6 Gb (except for acetylene) / Ex tb IIIC Т85°C…Т200°C Db / РВ Ex d I Mb allows usage of the box in explosive zones “1” and “2”, closed rooms and at open facilities, underground mines, pits, surface structures, hazardous due to gas (methane) and coal dust concentrations
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Body material – stainless steel AISI 321. Box may be used in alkaline, acidic and other aggressive chemical environment. With exposure from sea water and salt fog
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The highest dust and water proofness IP66/IP68
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The box is characterized with the highest durability
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The manufacturer offers a wide range of ex-proof box body dimensions to allow maximum effective use of its inner space
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Airtight gasket is installed along the perimeter of the box lid and the lid is fixed with stainless steel cylinder head bolts and hexagon socket head recess
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For easy assembly and maintenance additional lid support on the lid body is made with pivot hinges
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Number and location of cable glands is made at order. Maximum number of cable glands for each box side is given in Table 2
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The box is equipped with mounting panel for equipment installation
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Protection is made in compliance with GOST 14254
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Type of ex-proofing
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Exd
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Earthing connections are designed at the external, internal wall and inside the box lid
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The boxes base has 4 mounting sockets for wall fixture (large boxes have 6 sockets)
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Warranty 18 months
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Technical support: 8 800 500-10-73 (call free)
or by e-mail:
support@spectron-ops.ru
Features
PARAMETERS
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VALUE
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Ex-proofing marking
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1Ex d IIC Т3/Т4/Т5/Т6 Gb (except acetylene) /
Ex tb IIIC T85°C…T200°C Db /
РВ Ex d I Mb
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Body material
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Stainless steel
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Maximum commuted voltage, V
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250 DC, 800 АС
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Maximum commuted current, A
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520 А VDC, 57 А VАС
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Temperature range, ºC
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Т6
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–70 ÷ +85
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Т5
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–70 ÷ +100
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Т4
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–70 ÷ +135
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Т3
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–70 ÷ +200
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Protection is made in compliance with GOST 14254
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IP66/IP68
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Climatic category
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UKHL1, OM1
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Lid fastener
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Detachable lid with pivots is fixed with
stainless steel bolts with
hexagon socket head recess
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Box assembly
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External fastening sockets 4 pcs (for large box
dimensions - 6 pcs)
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Mounting inside the body
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Complete mounting panel
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Earthing
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External and internal
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Electric shock hazard protection in compliance with GOST 12.2.007.0-75
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I
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Box dimension types
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Table 1
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Maximum number of cable glands at different sides of the box
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Table 2
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BOX DESIGN PARAMETERS
Table 1. Inner and Outer Dimensions of the box
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Name of the ex-proof box
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Dimensions, mm:
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Weight,
kg
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Outer
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Inner
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Fastening
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А, mm
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В, mm
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С, mm
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а, mm
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b, mm
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с, mm
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S, mm
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S1, mm
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D, mm
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d, mm
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E, mm
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F, mm
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f
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Spectron-KV-Exd-N 345х310х170
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345
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310
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170
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250
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215
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110
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-
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-
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195
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-
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280
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15
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М10
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43
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Spectron-KV-Exd-N 345х310х275
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345
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310
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275
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250
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215
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215
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-
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-
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195
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-
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280
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15
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М10
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53
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Spectron-KV-Exd-N 435х350х180
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425
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340
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185
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340
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255
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120
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-
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-
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285
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-
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335
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15
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М10
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60
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Spectron-KV-Exd-N 435х350х315
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425
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340
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320
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340
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255
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255
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-
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-
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285
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-
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335
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15
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М10
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80
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Spectron-KV-Exd-N 635х465х255
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615
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445
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255
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525
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355
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185
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-
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-
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405
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-
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455
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20
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М12
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135
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Spectron-KV-Exd-N 635х465х355
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615
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445
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355
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525
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355
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285
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-
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-
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405
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-
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455
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20
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М12
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160
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Spectron-KV-Exd-N 780х690х310
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760
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670
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310
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670
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580
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235
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-
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-
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590
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-
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680
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22
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М12
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290
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Spectron-KV-Exd-N 780х690х435
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760
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670
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435
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670
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580
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360
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-
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-
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590
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-
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680
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22
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М12
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335
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ORDER FORMATION
Table 2. Maximum number of cable glands at different sides of the box
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Name of the ex-proof box
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Side for installation of the cable glands
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Adjustment thread for cable glands
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М20
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М25
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М32
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М40
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М50
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М63
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М75
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М90
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Number of cable glands
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Spectron-KV-Exd-N 290х260х170
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А
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6
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6
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3
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2
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2
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2
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1
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-
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Б
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4
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4
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2
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2
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2
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2
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1
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-
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Spectron-KV-Exd-N 345х310х170
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А
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6
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6
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3
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2
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2
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2
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1
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-
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Б
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4
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4
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2
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2
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2
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2
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1
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-
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Spectron-KV-Exd-N 345х310х275
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А
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12
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12
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9
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6
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6
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4
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2
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2
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Б
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9
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9
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6
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4
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4
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2
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1
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1
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Spectron-KV-Exd-N 435х350х180
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А
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8
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8
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6
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4
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4
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3
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1
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-
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Б
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4
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4
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4
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2
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2
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1
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1
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-
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Spectron-KV-Exd-N 435х350х315
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А
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10
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10
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9
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6
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6
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5
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2
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2
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Б
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6
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6
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6
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4
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4
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2
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1
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1
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Spectron-KV-Exd-N 635х465х255
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А
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24
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24
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19
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12
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12
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4
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3
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2
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Б
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24
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24
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20
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14
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14
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2
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2
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1
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Spectron-KV-Exd-N 635х465х355
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А
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36
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36
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28
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18
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18
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6
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5
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4
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Б
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24
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24
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20
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14
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14
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4
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3
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2
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Spectron-KV-Exd-N 780х690х310
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А
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33
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33
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27
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16
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14
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12
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5
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4
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Б
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27
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27
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21
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10
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8
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6
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3
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3
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Spectron-KV-Exd-N 780х690х435
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А
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44
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44
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35
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20
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16
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14
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6
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4
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Б
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30
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30
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25
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14
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10
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8
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4
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3
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