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System of Measurement
Voltage
Mounting Location
Display Type
Relative Humidity
Fire Alarm System Component
Electrical Connection Type
Height
U.S.–Mexico–Canada Agreement (USMCA) Qualifying
Overall Height
Export Control Classification Number (ECCN)
Material
Maximum Temperature
DFARS Specialty Metals
Power Source
Minimum Temperature
Housing Material
Overall Depth
Electrical Connection
Humidistats
Overall | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Voltage | Current | RH | Switch Designation | Color | Ht. | Wd. | Dp. | Mounting Location | Mounting Fasteners Included | Each | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
For Humidifiers | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 24V AC to 30V AC | 1 amp | 10% to 75% | SPDT | White | 3" | 4 3/4" | 1 3/4" | Duct, Wall | Yes | 2123K18 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Smoke Detectors for HVAC Systems
Sensors
Lg. | Wd. | Dp. | Max. No. of Tandem Sensors | Wire Connection | Output Voltage, V DC | Input Voltage | Temp., ° F | Mounting Hardware Included | Certification | Each | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8 3/4" | 5 1/2" | 1 7/8" | 30 | Screw Terminal | 18 | 24V AC, 24V DC, 120V AC, 230V AC | 0 to 155 | Yes | C-UL Listed, FM Approved, UL Listed | 3930N12 | 0000000 |
Controllers
Lg. | Wd. | Dp. | For Max. No. of Sensors | Max. No. of Tandem Controllers | Wire Connection | Output Voltage, V DC | Input Voltage | Temp., ° F | Mounting Hardware Included | Certification | Each | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 3/4" | 5 1/2" | 1 7/8" | 2 | 15 | Screw Terminal | 18 | 24V AC, 24V DC, 120V AC, 230V AC | 0 to 155 | Yes | C-UL Listed, FM Approved, UL Listed | 3930N11 | 0000000 |
Sensors and Controllers
Lg. | Wd. | Dp. | Max. No. of Tandem Controllers | Max. No. of Tandem Sensors | Wire Connection | Output Voltage, V DC | Input Voltage | Temp., ° F | Mounting Hardware Included | Certification | Each | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14 1/2" | 5 1/2" | 1 7/8" | 15 | 30 | Screw Terminal | 18 | 24V AC, 24V DC, 120V AC, 230V AC | 0 to 155 | Yes | C-UL Listed, FM Approved, UL Listed | 3930N13 | 0000000 |
































