The SunStat Relay C3 is designed to control the voltage to SunTouch electric floor heating systems that require more than 15 amps. Up to 10 SunStat Relays may be connected to one SunStat Connect, Command or Core Thermostat for 120 VAC systems as large as 1650 ft2 or 240 VAC systems as large as 3300 ft2 Each SunStat Relay C3 requires an additional 20-amp circuit and individual circuit breaker.
| Literature | IOM-ST-RelayC3, ES-ST-RelayC3 |
| Operation Voltage | 120/240 VAC, 60 Hz, 3 watts |
| Maximum Load | 15 amps resistive |
| Maximum Power | 1800 watts at 120 VAC 3600 watts at 240 VAC |
| GFCI | Class A (5 milliamp trip) |
| Dimensions | 4-5/8″ H x 2-19/20″ W x 1-13/20″ D (118 x 75 x 42 mm) |
| Enclosure | White PVC plastic, NEMA type 1 |
| Ambient conditions | 32 to 86°F (0 to 30°C), <90% RH non-condensing |
UL Listed under UL 943, UL/CSA 60730, UL 991 Listing file number E365015.
| Produc | t Options | ||
| Qty | Description | Model# | Order# |
| SunStat Expansion Relay C3 | 500880-BB | 81019088 | |
SunTouch product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact SunTouch Technical Service. SunTouch reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on SunTouch products previously or subsequently sold.
Electrical Wiring Diagram for SunStat thermostat with SunStat Relay C3 (120/240 VAC). Up to 10 SunStat Relay C3’s can be connected to expand the area controlled by a single SunStat Connect, Command or Core thermostat. Dedicated 120 or 240 VAC, 20-amp (maximum) circuit (maximum 15 amp load through SunStat control)
SunTouch
Download Manual:
SunStat 108101 Relay C3 Thermostat Product Specifications Guide
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SunStat 108101 Relay C3 Thermostat Installational Manual
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