3H Specifications
Temperature Range
- Heat: 50° to 95°F (10° to 35°C)
- Cool: 50° to 95°F (10° to 35°C)
Operating Ambient Temperature
- 32° to 100°F (0° to 38°C)
Operating Relative Humidity
- 45% to 85% (non-condensing)
Physical Dimensions
- 3.7" H x 5.4" W x 1" D
- 94mm H x 137mm W x 25mm D
Electrical Ratings
- Voltage applied to any relay terminal (G, GL, Y1, Y2, W1, W2CO, W3E) relative to RET terminal : 20-28VAC
- Relay terminals (G, GL, Y1, Y2, W1, W2CO, W3E) are rated 1A max.
- COM and RET terminals are rated 4A max
See separate Electrical Rating specifications for terminals that connect an optional Remote Temperature Sensor and/or an optional Motion Sensor.









