Square D E-Frame Mini Circuit ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$15.33
Square D E-Frame Mini Circuit Breaker with Ground Fault Protection

Square D E-Frame Mini Circuit Breaker with Ground Fault Protection

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Model: SQU-66997

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

$15.33
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Square D E-Frame Mini Circuit Breaker with Ground Fault Protection

The Square D E-Frame Mini Circuit Breaker with Ground Fault Protection is a bolt-on lighting panelboard circuit breaker engineered for use in Square D NF panelboards. Rated 277 V AC operational voltage (Ue) with a thermal-magnetic trip unit, this E-Frame breaker delivers dependable overload and short-circuit protection along with 30 mA earth leakage (ground fault) sensitivity for added circuit safety. It is cULus listed and IEC certified for professional electrical installations.

Key Features

  • Module Type: E-Frame design with bolt-on mounting for Square D NF lighting panelboards.
  • Ground Fault Protection: 30 mA earth leakage sensitivity supplements standard overload and short-circuit protection.
  • Trip Unit: Thermal-magnetic trip technology provides dependable overload and short-circuit protection.
  • Rated Operational Voltage: 277 V AC (Ue) for lighting and branch circuit applications.
  • Application Ratings: Switching Duty rated, HID rated, and HACR rated for varied lighting and HVAC loads.
  • Electrical Connection: Aluminum lugs with a tightening torque of 3.4-3.4 N.m, accepting AWG 12...AWG 4 aluminum conductors and AWG 14...AWG 6 copper conductors.

Certifications & Compliance

  • cULus Listed
  • IEC Certified

Technical Specifications

  • Warranty: 18 months
  • Warranty Period: 18 months
  • Number Of Spaces: 2
  • Sustainable Packaging: Yes
  • Number Of Spaces Required: 2
  • Packaging Without Single Use Plastic: Yes
  • ROHS Eur In Scope: Yes
  • Recycled Metal Content At Cr Level: 0 %
  • H And D Enrichment Function: MCB
  • H And D Enrichment Assignment: no
  • Serviceability: No
  • With Recycled Cardboard: Yes
  • WEEE Product Category: 5
  • Compliance: TAA
  • China ROHS In Scope: No
  • Return Indicator: Y
  • Take Back: No
  • Returnability: Yes
  • Field Service Division: PPIBS
  • H And D Subrange: COM
  • Trip Unit Technology: thermal-magnetic
  • Earth Leakage Sensitivity: 30 mA
  • WD Status: 1 - GSC certified

Typical Applications

  • Lighting Panelboard Circuit Protection
  • Square D NF Panelboard Installations
  • HID Lighting Circuits
  • HVAC and HACR Equipment Circuits
  • Commercial and Industrial Electrical Distribution

Why Square D?

Square D E-Frame breakers are built for dependable, code-compliant performance in lighting panelboard applications, backed by an 18-month warranty and cULus and IEC certification. With thermal-magnetic trip protection and integrated 30 mA ground fault sensitivity, this breaker is engineered for long-term reliability in demanding commercial and industrial electrical systems.

Manufacturer Resources

Product Specs

Product Type:
Circuit Breaker
Series:
E-Frame
Voltage Rating:
277V
Listing:
cULus
Standards:
IEC
Department:
Electrical
Product Group:
Wiring Devices

Square D SQU-66997 – Frequently Asked Questions

How fast can I get the Square D SQU-66997 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 SQU-66997 come with a warranty?
Absolutely. The Square D SQU-66997 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 SQU-66997?
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 SQU-66997 from ZenSupply?
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