WHITE RODGERS (EMERSON ELEC)
WHITE RODGERS 120-106132 Solenoid SPNO L Bracket 12 VDC 80A 400A HVAC Control
A 12 VDC solenoid with SPNO contacts, L-bracket mounting and isolated coil handles 80 A continuous and 400 A inrush in intermittent HVAC duty from −20 °F to 150 °F
- 12 VDC isolated coil enables reliable HVAC switching
- SPNO configuration with L bracket simplifies direct mounting
- 80 A continuous rating handles sustained control loads
- 400 A inrush capacity manages compressor start surges
- 20 °F to +150 °F range with water and dust resistance
HVAC solenoid for 12 VDC systems
The White Rodgers 120-106132 is a single-pole normally open solenoid built for intermittent duty in HVAC control circuits. It operates on a 12 VDC isolated coil and carries a continuous contact rating of 80 Amps with a 400 Amp inrush capacity. The unit suits technicians and installers maintaining or assembling heating and cooling equipment.
L bracket mounting and sealed construction
An L bracket provides a straightforward mounting footprint for panel or chassis installation in tight service compartments. The housing is rated water resistant and dust resistant, helping the contacts survive condensation, road spray and airborne debris common in vehicle and rooftop environments. The isolated coil design keeps the control circuit separate from the load path.
Replaces worn contactors in existing 12 V setups
This solenoid directly replaces failed units in 12 VDC HVAC systems where the original carried an 80 Amp continuous rating and 400 Amp inrush spec. The jump is worthwhile when the old contactor shows pitted contacts, coil failure or bracket corrosion that prevents secure mounting. It is not suited for continuous duty cycles or control voltages other than 12 VDC.
Highlights
- 12 VDC isolated coil enables reliable HVAC switching
- SPNO configuration with L bracket simplifies direct mounting
- 80 A continuous rating handles sustained control loads
- 400 A inrush capacity manages compressor start surges
- 20 °F to +150 °F range with water and dust resistance
Specifications
| Brand | Emerson |
|---|
Questions about this item
What does the 12 VDC isolated coil mean for wiring?
The coil operates on 12 VDC and is electrically isolated from the power contacts, so the control circuit shares no common ground with the 80 amp load path.
What mounting footprint does the L bracket require?
The L bracket provides two mounting holes spaced for a standard HVAC panel; secure it with two bolts or screws through those holes.
How do I connect the SPNO terminals and what is the common mistake?
Wire the two large power terminals in series with the load; the error is using the coil terminals for load current instead of the 80 amp rated contacts.
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