Square D E-Frame Miniature Cir...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$210.46
Square D E-Frame Miniature Circuit Breaker, Bolt-On

Square D E-Frame Miniature Circuit Breaker, Bolt-On

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Model: 746550

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

$210.46
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Square D E-Frame Miniature Circuit Breaker, Bolt-On

The Square D E-Frame Miniature Circuit Breaker (Device Short Name: EDB) is a bolt-on lighting panelboard circuit breaker engineered for reliable short-circuit and overload protection in Square D NF panelboards. Rated 480Y/277 V AC, this E-Frame device pairs aluminum lugs with a wide AWG termination range and HACR/HID application ratings, and is backed by cULus listing and TAA compliance for professional electrical installations.

Key Features

  • Protection Type: Provides short-circuit and overload protection for lighting panelboard circuits.
  • Bolt-On Connection: Bolt-on mounting for installation in Square D NF panelboards.
  • Rated Operational Voltage: 480Y/277 V AC (Ue) for commercial lighting panelboard distribution.
  • Electrical Connection: Lugs aluminium accept AWG 14...AWG 6 (copper) or AWG 12...AWG 6 (aluminium) conductors.
  • Tightening Torque: 3.4-3.4 N.m for 2.5-16 mm² (AWG 14...AWG 6) terminations.
  • Ambient Operation: Rated for 40 °C ambient air temperature.
  • Visi-Trip™ Indication: Local trip indicator for faster troubleshooting per manufacturer documentation.
  • Circuit Breaker Application: HACR rated and HID rated for a wide variety of lighting panelboard circuits.

Certifications & Compliance

  • cULus Listed (Product Certifications)
  • TAA Compliant
  • ROHS Exemption Information: Yes
  • Mercury Free

Technical Specifications

  • Warranty Period: 18 months
  • Recycled Metal Content At Cr Level: 0 %
  • H And D Enrichment Function: MCB
  • Serviceability: No
  • H And D Enrichment Assignment: no
  • With Recycled Cardboard: Yes
  • Compliance: TAA
  • China ROHS In Scope: No
  • Return Indicator: Y
  • Legacy WEEE Scope: Out
  • Packaging Made With Recycled Cardboard: Yes
  • EOLI Availability Display: Yes
  • ROHS Exemption Information: Yes
  • Device Short Name: EDB
  • Warranty: 18 months
  • Product Certifications: cULus
  • Mercury Free: Yes
  • ROHS Eur Full Compliance Status Id: PRO_ACTIVE_COMPLIANCE
  • ROHS Eur In Scope: No
  • Local Signalling: trip indicator
  • B2B Bullet Point 6: Made to last 20 years

Typical Applications

  • Lighting Panelboard Circuit Protection
  • Square D NF Panelboard Systems
  • Commercial and Industrial Electrical Distribution
  • HACR and HID Rated Load Circuits
  • Panelboard Retrofit and New Construction Projects

Why Square D?

Square D E-Frame circuit breakers are built for Square D NF panelboards, combining aluminum lug terminations, Visi-Trip™ local trip indication for faster troubleshooting, and construction designed to last 20 years. Backed by cULus listing, TAA compliance, and an 18-month warranty, this E-Frame breaker delivers dependable, code-compliant overload and short-circuit protection for professional electrical work.

Manufacturer Resources

Product Specs

Product Type:
Circuit Breaker
Voltage Rating:
480Y/277 VAC
Connection Type:
Bolt-On
Series:
E-Frame
Listing:
cULus
Department:
Electrical
Product Group:
Wiring Devices

Square D 746550 – Frequently Asked Questions

How fast can I get the Square D 746550 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 746550 come with a warranty?
Absolutely. The Square D 746550 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 746550?
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 746550 from ZenSupply?
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