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SKU
K14060
£7.69 £6.41
Kentec LCMU Line Continuity Monitoring Unit (Active EOL) (K14060)
The Kentec LCMU are active end of line devices which are compatible with Sigma CP detection zones, they are required along with diode detector bases to provide detector head removal monitoring on the control panel in line with BS5839 Part 1.
To use this method of monitoring, the breaking connection of the detector base must be fitted with a diode. To ensure correct operation over a wide supply voltage range and with up to 20 detectors removed, a Schottky type BYV-1060 is recommended. These devices are, however, very sensitive to electrostatic discharge and extra care should be taken when handling or cable testing.
It is also necessary to fit a 47uF capacitor to the detection line terminals on some of the control panels (not K3000 series or Sigma CP). Extreme care should be taken when fitting the capacitor in the panel as they are polarity conscious. The LCMU itself is also polarity conscious and the polarity is indicated in the normal manner i.e. black wire is always negative. A wrongly connected LCMU will produce a short circuit fault condition.
Due to the use of surface mount technology components, the LCMU is probably the smallest device of its kind on the market. This enables the device to be fitted either within the last device on a zone or in the back box, eliminating the need for an additional wiring point.
Key Features |
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> Supports detector removal monitoring > Easy to install > No additional wiring point > Sub-miniature design > Environmentally sealed |
Manufacturer | Kentec Electronics |
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MPN | K14060 |
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Finish | Conformal powder coating |
Colour | Blue |
Normal current | 5mA at 28V |
Fault condition current | 750uA 50V |
Max. zone cable resistance | 20 ohms |
Panel capacitor | 47uF 50V |
Operating voltage | 15V to 30V |
Terminal connections | Bootlace ferrules |
Max. detectors supported | 20 per zone |
Dimensions (mm) | 25 x 20 x 8 |