System Sensor CO1224TR Carbon Monoxide Detector, 12/24V, 4-Wire, RealTest Technology (Round)

• Real Test enables a functional test using canned CO
• Full compliance with UL 2075
• A code-required trouble relay
• Wiring supervision with SEMS terminals
• Six-year end-of-life timer
• 12/24 VDC
• Low current draw of 20mA in standby and 40mA in alarm
• Versatile mounting for wall and ceiling
• Accurate and reliable electrochemical sensing technology

• Alarm Contact Ratings: 0.5 A @ 30 VDC
• Alarm Current: 40 mA (75 mA test)
• Dimensions: Diameter: 6 in; Height of 1.3 in
• Humidity Range: 22 to 90% RH
• Location: Indoor
• Mounting: Single-gang back box; surface mount to wall or ceiling
• Operating Voltage: 12/24 VDC
• Sounder: 85 dB in alarm
• Standby Current: 20 mA
• Temperature Range: 32 F to 104 F (0 C to 40 C)
• Weight: 8.6 oz