KRM-1 – smoke detectors

KRM-1 duct smoke detector is designed for smoke detection in ventilation ducts. The detector is a combination of a smoke detector and an adapter system. The adapter system has been specially designed for optimal air flow through the smoke detector.

Technical description

 

Supply 230 Vac/dc
Probe 160…600 mm
Sensor Optical RM3.3 (ALK-E)
Output (alarm) 250 Vac / 24 Vdc, 8 A, change-over contact
Output (alarm) 250 Vac / 24 Vdc, 8 A, NC contact
Output (contamination) 250 Vac / 24 Vdc, 6 A, NC contact
Protection class IP54
Ambient temperature -20…50 °C
Cable gland M16
Materials ABS plastic, aluminium
Dimensions 166 x 257 x 77 mm

 

Product range

 

TYPE ARTICLE  DESCRIPTION
KRM-1 1137040 duct smoke detector
KRM-RM3.3 1137016 smoke sensor
KS 1137011 mounting plate for round or insulated ducts
KS-WDG 1137013 mounting plate for round or insulated ducts (with WDG)
RDP 300 1137014 test gas
WDG 1137012 IP65 housing for KRM