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Controls and Electrical
- Thermostat
- Commercial Building
- Defrost Termination-Freeze Protection-Fan Switches
- Detector
- Electrical Devices and Accessories
- Flow Switch-Current Sensors
- Heating
- Humidity
- Motor Drives
- Pneumatic
- Pressure
- Supermarket Controls and Parts
- Temperature
- Timer
- Water Regulating Valve
- Zone Control and Wireless
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Float Switch
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Security Camera
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- Vendor Name:
- System Sensor
- URI Part Number:
- B402B
- Shipping Weight (Lbs.):
- 2
- Number of Wires:
- 4
- Voltage:
- 24
Smoke detector base for use with 1451 and 2451 space detectors.
- 4-wire detector base requires auxiliary power to operate smoke detector
- Detector bases include form A and C contacts