Spectron-400-Exd, Spectron-401-Exd-A/M/N Series Explosion-proof Flame Detector

Package price:
40 994.00  rub.
Package and accessories:
Body material and versions:
Cable gland №1:
0.00 rub.
Cable gland №2:
0.00 rub.
Optical blend:
0.00 rub.
Bracket for mounting on round tables:
0.00 rub.
You can FIND INFORMATION ON CABLE ENTRY and add a test transmitter, a power supply, and a spark protection barrier to commercial offer in the section Accessories

Explosion-proof UV Flame Detector, Immune to Interference, Does Not React to Sunlight

  • Spectron-401-Exd-A
  • Spectron-401.01-Exd-A
  • Spectron-401-Exd-M
  • Spectron-401.01-Exd-M
  • Spectron-401-Exd-N
  • Spectron-401.01-Exd-N

Spectron-401-Exd-A/M, Spectron-401.01-Exd-A/M/N Flash Detectors

For use in fire alarm systems in hazardous area zones 1 and 2 of enclosed buildings, as well as in underground mines, mining plants and their above-ground facilities.

  • Housing material of Spectron-401-Exd with index "A" is aluminum alloy (AD31T5);
  • Housing material of Spectron-401-Exd with index "N" is stainless steel (AISI 321);
  • Housing material of Spectron-401-Exd with index "M" is galvanized steel (steel 10).

Flame detector in stainless steel housing is recommended for use in facilities exposed to acidic, alkaline and other chemically aggressive environments, sea water and salt fog.

Circuit board of the device is equipped with a 3-stage lightning and surge protector, which allows using it without additional equipment for overvoltage protection.

The detector heating ensures full operation of the device at an ambient temperature of -70 to +135ºС. With the heating function disabled the temperature range is -55 to +135ºС.

The field of view of Spectron-401-Exd series is 100º in the vertical, horizontal and all inclined planes.

Flame detection range in accordance with GOST R 53325-2012 - 50 meters to TP5, and TP6

Spectron-401-Exd with index "01" are designed for instantaneous (from 0.1 sec) detection of specialized fires.

Minimal response time, seconds

without index "01"

3; 7; 15; 22*
(selectable by user,
* - factory setting)

with index "01"

(selectable by user,
* - factory setting)

Spectron flame detector









Ingress Protection
in accordance with GOST 14254

Type of explosion protection







ATTENTION. The model of cable glands must be specified when adding to the specification and ordering the equipment. Cable glands are not included in the price of the equipment. Full information on cable glands is available on the CABLE GLAND page of our website . If you have any questions about the correct selection of the type of cable gland, you can contact the technical support service by phone.

Specialized program Spectron-OPS-AutoCAD for easier designing

The warranty period of the device is 12 months. The warranty period can be extended up to 36 months using the Warranty Extension program.

Spectron-400-Exd series flame detector is listed in the nomenclature of MTR OAO Gazprom manual.


Technical support: 8 800 500-10-73 (free call)
or using e-mail: support@spectron-ops.ru