MORLEY MCP (Addressable Manual Call Point) mechanical Dimensions: Semi-flush mounting: 89 x 93 x 27.5 (WxHxD) Surface mounting: 89 x 93 x 59.5 (WxHxD) Weight: Semi Flush: 110g Surface: 160g IP Rating: IP24D Operating Temperature: -30°C to +70°C Relative Humidity: 0% - 95% non-condensing electrical Operating Voltage: 15V to 30Vdc max Current Consumption: Quiescent (without isolator) 260μA Quiescent (with isolator) 360μA Alarm Current: 6mA (both)