Square D ComPact NSXm Auxiliar...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$268.50

Square D ComPact NSXm Auxiliary Contact, OF/SD Circuit Breaker Status

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Model: 685402

In Stock (leaves warehouse same day if ordered before 3pm ET)

$268.50
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Square D ComPact NSXm Auxiliary Contact, OF/SD Circuit Breaker Status

The Square D standard auxiliary contact is a single OF/SD signaling contact used on ComPact NSXm and PowerPact B circuit breakers to provide remote indication of breaker status. The OF contact reports the open/closed position of the main contacts, while the SD contact signals a trip event caused by overload or short-circuit conditions. Rated Ie 5 A at 24/48 V AC 50/60 Hz (AC-12) with a minimum load of 2 mA at 17 V DC, and an Ith conventional free air thermal current of 5 A, this contact delivers reliable local ON/OFF and trip indication for panel builders, electricians, and system integrators working on commercial and industrial installations.

Key Features

  • Signal Composition: 1 NO/NC changeover contact configuration for flexible remote wiring.
  • Range Compatibility: Designed for ComPact NSXm and PowerPact B circuit breaker ranges.
  • Local Signalling: ON/OFF indication for open/close position plus trip indicator for relay trip status.
  • Fault Detection: Signals trip events caused by overload or short-circuit faults.
  • Electrical Rating: Ie AC-12: 5 A at 48 V AC and 5 A at 24 V AC, 50/60 Hz; minimum load 2 mA at 17 V DC.
  • Thermal Current: Ith conventional free air thermal current of 5 A.
  • Connection Type: Spring-type auxiliary connection terminal with an 8 mm wire stripping length for front connection.

Technical Specifications

  • Toxic Heavy Metal Free: Yes
  • Sustainable Packaging: No
  • Mercury Free: Yes
  • Packaging Without Single Use Plastic: No
  • ROHS Eur In Scope: Yes
  • Recycled Metal Content At Cr Level: 0 %
  • Serviceability: No
  • With Recycled Cardboard: Yes
  • WEEE Scope: In
  • China ROHS In Scope: No
  • Returnability: Yes
  • Ith Conventional Free Air Thermal Current: 5 A
  • Green Premium Status For Reporting: Green Premium product

Typical Applications

  • Commercial and Industrial Electrical Installations
  • Remote Circuit Breaker Status Monitoring
  • Panelboard and Control Panel Wiring
  • OEM and Control Panelbuilder Assemblies
  • Overload and Short-Circuit Trip Signaling

Why Square D?

Square D auxiliary contacts are engineered for precise compatibility with ComPact NSXm and PowerPact B circuit breakers, giving panel builders and electricians dependable remote status signaling for overload and short-circuit conditions. With ROHS-compliant, mercury-free, and toxic-heavy-metal-free construction, this Green Premium product supports code-compliant, reliable performance in professional commercial and industrial electrical systems.

Manufacturer Resources

Product Specs

Product Type:
Auxiliary Contact
Connection Type:
Spring
Amperage Rating:
5A
Series:
ComPact NSXm
Listing:
ROHS Compliant
Department:
Electrical
Product Group:
Wiring Devices

Square D 685402 – Frequently Asked Questions

How fast can I get the Square D 685402 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Square D 685402 come with a warranty?
Absolutely. The Square D 685402 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Square D 685402?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Square D 685402 from ZenSupply?
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