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KRM-X® Duct smoke detectors
Type Item no. ADG Euro / pc.

Standard version – for fan control and ventilation monitoring

Duct smoke detector 230 V AC KRM-X-1 0.16 104514 41 569.20
Duct smoke detector 230 V AC KRM-X-1 0.6 104513 41 575.10

Duct smoke detector 230 V AC MOD KRM-X-1-MOD 0.16 104538 41 605.90
Duct smoke detector 230 V AC MOD KRM-X-1-MOD 0.6 104537 41 611.90

Duct smoke detector 230 V AC BAC KRM-X-1-BAC 0.16 104522 41 605.90
Duct smoke detector 230 V AC BAC KRM-X-1-BAC 0.6 104521 41 611.90

Duct smoke detector 24 V AC / DC KRM-X-2 0.16 104518 41 556.90
Duct smoke detector 24 V AC / DC KRM-X-2 0.6 104517 41 562.90

Duct smoke detector 24 V AC / DC KRM-X-2-MOD 0.16 104558 41 593.90
Duct smoke detector 24 V AC / DC KRM-X-2-MOD 0.6 104557 41 599.90

Duct smoke detector 24 V AC / DC KRM-X-2-BAC 0.16 104542 41 593.90
Duct smoke detector 24 V AC / DC KRM-X-2-BAC 0.6 104541 41 599.90

Versions 0.16 incl. 0.16 m LKR-X sensor tube; fits all duct
cross-sections*.
Versions 0. 6 incl. 0.6 m LKR-X sensor tube (optionally also available
with 1.5 m or 3.0 m)

Detector type: RM 3.3-X (ALN-E) scattered light detector
Supply voltage: KRM-X-1 / KRM-X-1-MOD /
KRM-X-1-BAC:
230 V AC ± 10 %, 50 / 60 Hz
Supply voltage: KRM-X-2 / KRM-X-2-MOD /
KRM-X-2-BAC:
24 V AC (16 – 27.6 V AC) or
24 V DC (21.6 – 27.6 V DC)
Nominal current: KRM-X-1 / KRM-X-1-MOD /
KRM-X-1-BAC: 30 mA
KRM-X-2 / KRM-X-2-MOD /
KRM-X-2-BAC: 120 mA
Operating temperature: -20°C – 50°C
Protection type: IP 65
Approvals / Certifications: VdS approval,
DIN EN 54-27
Permissible flow velocity: 1 – 20 m / s
Dimensions: ca. 271 x 172 x 85 mm (L x W x H)
Cable glands: 3 x M16
Data sheet no. 41350
VdS approval G219046 / G219053
Modbus protocol KRM-X- … -MOD

* The 0.16 m long LKR-X TurboTube sampling tube is also suitable for larger channels and approved. There are no restrictions on the maximum
channel width / height / diameter. In conjunction with console KS-KRM-X®, channels to > = 80 mm diameter can be monitored. The longer LKR-Xs
can be shorted when required.
Note: For monitoring the control of the fans, the ventilation duct and fire alarms VdS approved KRM-X®types can be used
without DIBt certification.

ADG = Article discount group

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