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Fire Alarm Systems >
Fire Sensors >
Plug-in Smoke Detectors
KL731
Optical detector, conventional (with field exchangeable optical block)
These detectors use the Tyndall effect of smoke in the chamber to detect a fire. It can detect a smouldering fire (without flames). They are normally used in areas where possible fires generate visible smoke, like plastics, polystyrene, PVC, etc.
The KL731 boasts a field exchangable optical chamber. A simple recalibration using the KCT731 returns the maintained detector to normal operating conditions as if it was brand new.
Standard Features
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An ultra-fine grid prevents the ingress of dust and insects in smoke detectors
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Attractive, low-profile design
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EN54 approved
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Innovative base compensates for uneven surfaces
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Field exchangeable optical chamber for ease of maintenance
Specifications
| Operating voltage |
9 to 28 VDC |
| Current consumption |
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| Quiescent at 24 VDC |
85 A |
| Alarm at 24 VDC |
< 100 mA |
| Radio-active source |
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| Average activity |
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| Remote alarm output |
< 100 mA |
| Heat specification |
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| Operating temperature |
-10 °C to +70 °C |
| Storage temperature |
-10 °C to +70 °C |
| Humidity (non-condensing) |
95% |
| IP rating |
IP43 |
| Number of detectors per zone |
20 |
| Recommended protection resistor |
300 ohm |
| Dimensions (h x Ø) |
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| Head |
45 mm x 99 mm |
| Base |
24 mm x 103 mm |
| Approvals* |
EN54 (BOSEC) |
| * Check current status with local office |
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