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White-Rodgers 124-105111 DC power solenoid, transparent housing, standard bracket mount

Emerson Climate Technologies

Emerson Climate Technologies 124-105111 DC Power Solenoid 12V 150A

SKU CH-BVMX-D7C61

12 V DC solenoid rated for 150 A continuous duty with silver-alloy contacts and isolated coil

  • TypeIndustrial Electrical Controls & Automation
  • Length3.700
  • ColorTransparent
  • Weight1
  • Reliable 150 A switching for heavy DC loads
  • 12 V coil suits standard vehicle and solar systems
  • Continuous duty cycle handles non-stop operation
  • Silver-alloy contacts resist wear across -40 °F to 149 °F
  • Compact 3.56 in length fits tight mounting spaces

Industrial DC Power Solenoid

This 12 V DC power solenoid from White-Rodgers is rated for 150 A continuous duty. It uses an SPST-NO contact form with silver alloy contacts and a standard mounting bracket. The unit suits industrial electrical control and automation circuits that require reliable high-current switching.

Thermal and electrical characteristics

The coil resistance is 13.2 ohm at 12 V, drawing modest power during continuous operation. Maximum operating temperature reaches 149 degrees F while the minimum is -40 degrees F. The isolated coil design helps contain heat within the solenoid body.

Mounting and wiring integration

Contact termination uses a 5/16 in-24 UNF-2A thread and coil termination uses a #10-32 UNF-2A thread, providing four terminals in total. Overall length is 3.56 in and height is 2.19 in, allowing the solenoid to fit standard brackets without extra clearance.

Highlights

  • Reliable 150 A switching for heavy DC loads
  • 12 V coil suits standard vehicle and solar systems
  • Continuous duty cycle handles non-stop operation
  • Silver-alloy contacts resist wear across -40 °F to 149 °F
  • Compact 3.56 in length fits tight mounting spaces

Specifications

BrandWhite-Rodgers
Model124-105111
TypeIndustrial Electrical Controls & Automation
Length3.700
ColorTransparent
Weight1

Questions about this item

How do I wire the 5/16 in-24 UNF-2A contact terminals and #10-32 UNF-2A coil terminals on this 124-105111 solenoid?

Torque the 5/16 in-24 UNF-2A contact terminals to the manufacturer spec for 150 A DC and the #10-32 UNF-2A coil terminals for 12 V DC. The isolated coil means coil circuit shares no path with the contact circuit, so keep wiring separate. The step people miss is verifying polarity on the coil terminals before energising.

What maintenance or replacement will the silver-alloy contacts and 13.2 ohm coil need over time?

Inspect the silver-alloy contacts for pitting or carbon build-up after high-cycle use; replace the solenoid if contact resistance rises or the 13.2 ohm coil reads open or shorted. Continuous duty at 150 A accelerates wear, so schedule checks based on cycle count rather than calendar time.

What thermal limit appears first when the 124-105111 runs at 150 A continuously?

The 149 °F maximum operating temperature is the first hard limit; sustained 150 A in a confined space can push the housing past that point, causing the coil resistance to drift and the contact spring to lose force. Mount on the standard bracket with airflow and monitor case temperature.

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