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The UC-280 is an 8-zone interface linking JA-60 wireless detectors with hard-wired control panels. Links to JA-60A sirens, and UC-216. Receives signals from RC-xx remote controls. If necessary, UC-282 expander modules can be used to increase the number of zones up to 40.

Specifications:
- Power: 12 V DC (10.5 V - 16.0 V)
- Power consumption: typ. 50 mA (all relays off); max. 150 mA
- Zone outputs Z1-Z8: 8 relays 50 mA / 50 V, with COM1 common terminal
- Tamper, fault, battery outputs: 3 relays 50 mA / 50 V, with COM2 common terminal
- X, Y and Siren inputs: activated when switched to GND (filter 0.2 sec., 3 V DC triggering level)
- Operating frequency: 433.9 MHz
- Working range with JA-60: 100 m (open area)
- Working range with RC: 30 m (open area)
- Working environment: indoor use (class II, EN 50131-1)
- Operating temperatures: -10 °C to +70 °C
- Operating humidity: max. 90 %
- Dimensions:188 x 135 x 40 mm
- Weight: 800 g