Square D E-Frame Miniature Circuit Breaker, Bolt-On
The Square D E-Frame Miniature Circuit Breaker is a bolt-on lighting panelboard circuit breaker engineered for use in Square D NF Panelboards. Rated 480Y/277VAC, this device delivers reliable short-circuit and overload protection with Switching Duty, HACR, and HID application ratings. Backed by cULus listing and TAA compliance, it is built for demanding commercial and industrial branch-circuit protection.
Key Features
- Bolt-On Connection: Designed for bolt-on mounting in Square D NF Panelboards for a secure, field-proven fit.
- Operational Voltage: Rated 480Y/277VAC for lighting panelboard branch circuits.
- Protection Type: Provides short-circuit and overload protection for connected loads.
- Circuit Breaker Application: Switching Duty rated, HACR rated, and HID rated for versatile lighting and HVAC circuit use.
- Electrical Connection: Aluminium lugs accept AWG 12...AWG 6 aluminium or AWG 14...AWG 6 copper conductors.
- Tightening Torque: 3.4-3.4 N.m across 2.5-16 mm² (AWG 14...AWG 6) terminal range.
- Visi-Trip Indication: Troubleshoot faster with Visi-Trip™ trip indication.
- Ambient Air Temperature: Rated for operation at 40°C ambient.
Certifications & Compliance
- cULus Listed
- TAA Compliant
- RoHS Exemption Documented
- Mercury Free
Technical Specifications
- Warranty Period: 18 months
- Sustainable Packaging: Yes
- 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
- Without Single Use Plastic: Yes
- ROHS Exemption Information: Yes
- Device Short Name: EJB
- Reach Full Compliance Status Id: CONTAINS_SVHC
- Warranty: 18 months
- Product Certifications: cULus
- Mercury Free: Yes
- ROHS Eur Full Compliance Status Id: PRO_ACTIVE_COMPLIANCE
- Packaging Without Single Use Plastic: Yes
- ROHS Eur In Scope: No
Typical Applications
- Lighting Panelboard Circuit Protection
- Square D NF Panelboard Systems
- Commercial and Industrial Electrical Installations
- HACR and HID Rated Circuit Applications
- Switching Duty Branch-Circuit Protection
Why Square D?
Square D E-Frame breakers combine cULus-listed, TAA-compliant construction with Visi-Trip trip indication for faster troubleshooting in the field. Built for Switching Duty, HACR, and HID applications, they deliver dependable short-circuit and overload protection engineered specifically for Square D NF Panelboards.
Manufacturer Resources
Product Specs
- Product Type:
- Circuit Breaker
- Series:
- E-Frame
- Connection Type:
- Bolt On
- Voltage Rating:
- 480Y/277VAC
- Listing:
- cULus
- Department:
- Electrical
- Product Group:
- Wiring Devices