Technical data

Inputs 1:
Remote reset
Measured medium 1:
Air
Measuring range 1:
1..20 m/s
Outputs 1:
Relay outputs
Permissible temperature of medium 1:
-20...+50 °C
Protection type:
IP65
Sensor element 1:
Diffused light
image

Downloads

Datasheet 41350 - KRM-X® Duct Smoke Detector
Flyer KRM-X®
Catalogue 2024 (PDF)
Catalogue price list 2024 (Excel)
Catalogue price list 2024 (PDF)
KRM-X-1 VdS Anerkennung G219046
Flip catalogue 2024
EU-Konformität_KRM-X+KM+NT_2021-04-26 (only German)
KRM-X Modbus-Protokoll (only German)
Wartungsprotokoll für KRM-X (only German)

Accessories

LKR-X 0,16

Air duct sampling tube TurboTube 0.16 m long.
Flange diameter: 160 mm. Suitable for all KRM-X
models.
LKR-X 0,6

Air duct sampling tube TurboTube 0.6 m long
Flange diameter: 160 mm. Suitable for all KRM-X
models.
LKR-X 1,5

Air duct sampling tube TurboTube 1.5 m long
Flange diameter: 160 mm. Suitable for all KRM-X
models.
LKR-X 3,0

Air duct sampling tube TurboTube 3.0 m long
Flange diameter: 160 mm. Suitable for all KRM-X
models.
ASR-A10

Aerosol spray 150 ml
For function testing and triggering scattered
light smoke detectors, adapted to the optical
system. Oil mist-free, residue-free,
non-flammable.
WDG-X

Water resistant housing for air duct smoke detector Type KRM/KRM-X.
For mounting outdoors or in cold areas. Protects
evaluation electronics from condensation. White
plastic (ASA), UV resistant, isolated internally,
with removable lid for maintenance purposes.
Dimensions: 291 x 406 x 130 mm (W x H x D) Please
observe the installation instructions in the data
sheets of the KRM -X (41350/41351).
KS-KRM-X

2-piece mounting console
For mounting the KRM and KMR-X smoke detector onto
round or insulated ducts. Supplied with rubber
bushing (sleeve) to seal the air duct. Please
observe the installation instructions in the data
sheets of the KRM (41300/41302) or the KRM-X
(41350/41351).
KS-WDG-X

""2-piece mounting console
For mounting the KRM and KRM-X smoke detector with
splash-proof housing WDG-X onto round or
insulated ducts. Supplied with rubber bushing
(sleeve) to seal the pipe in the air duct. Please
observe the installation instructions in the data
sheets of the KRM (41300/41302) or the KRM-X
(41350/41351).
RM 3.3-X

Bus-capable smoke detector without base.
Suitable for KRM-type duct smoke detectors or as
replacement for DRM 3.3-X ceiling smoke detector.
Data sheet no. 40104
AZE 1.2

Display unit for Modbus duct smoke detectors 24 V and 230 V AC/DC.
For connecting and displaying the operating states
of up to 99 duct smoke detectors, type KRM-2-MOD,
KRM-2-DZ-MOD, KRM-1-MOD, and KRM-1-DZ-MOD. The
display unit shows and evaluates smoke,
contamination, and malfunctions and also monitors
cables for cable breakage and short circuits,
which are shown as plain text on the LCD display
and via LEDs. The message is sent both via
potential-free contacts and via an RS 485
interface for forwarding to the building
automation systems. The current status of each
detector can be queried via a keypad. Frame with
click-in base for installation on mounting rail
in the control cabinet. Dimensions: approx. 160 x
90 x 50 mm (W x H x D) Protection class: IP 20
Ambient temperature: 0 – 50 °C
Data sheet no. 43105
NT01-24V-AC Basisnetzteil IP20

Output 24 V AC for KRM-2-DZ-x DIBT certification in conjunction with KRM-2-DZ-xxx.
DIBt type approved in conjunction with
KRM-2-DZ/KRM-2-DZ-MOD, KRM-2-DZ-BAC (DIBt
version). Integrated into general building
regulation certification KRM No. Z-78.6-200.
Required as a safe power supply for 24 V AC
supply voltage: 230 V AC +10%/-15%, 50 – 60 Hz.
Power consumption: < 30 V AC. Output supply: max.
24 VA (24 V AC). LED displays: operation (green).
Housing: PC, gray with transparent cover, IP 20.
Permissible ambient temperature: -20 – +50 °C.
Dimensions (W x H x D): approx. 120 x 120 x 60
mm. Weight NT01: approx. 0.8 kg.
Data sheet no. 41305.
NT02-24V-DC Basisnetzteil IP20

Output 24 V DC for KRM-2-DZ-x DIBT certification in conjunction with KRM-2-DZ-xxx.
DIBt type approved in conjunction with
KRM-2-DZ/KRM-2-DZ-MOD, KRM-2-DZ-BAC (DIBt
version). Integrated into general building
regulation certification KRM No. Z-78.6-200.
Required as a safe power supply for 24 V DC
supply voltage: 230 V AC +10%/-15%, 50 – 60 Hz.
Power consumption: < 25 W. Output supply: max.
20 W (24 V DC). LED displays: operation (green).
Housing: PC, gray with transparent cover, IP 20.
Permissible ambient temperature: -20 – +50 °C.
Dimensions (W x H x D): approx. 120 x 120 x 60
mm. Weight NT02: approx. 0.5 kg.
Data sheet no. 41305.

Insights into the KRM-X®

KRM-X® duct smoke detector

Duration approx. 4 minutes

Simple installation KRM X

Duration 20 seconds
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