Square D E-Frame Mini Circuit Breaker, 20A, 3-Pole, 480Y/277VAC, 100kA, Bolt-On – EJB34020CA

Square D E-Frame Miniature Circuit Breaker – EJB34020CA

The Square D EJB34020CA is an E-Frame miniature circuit breaker (MCB) from Schneider Electric, designed for three-phase panel boards and switchboards in commercial and industrial applications. Rated at 20A, 3-pole, 480Y/277 VAC, with a maximum interrupting capacity of 100 kA, this breaker provides high-performance overcurrent protection in demanding electrical distribution environments.

Key Features

• Frame: E-Frame
• Current rating: 20A
• Poles: 3
• Voltage rating: 480Y/277 VAC
• Maximum interrupting capacity: 100 kA
• Mounting: Bolt-on
• Temperature rating: 50 degrees C
• TAA (Trade Agreements Act) compliant
• Model: EJB34020CA
• Manufacturer: Square D (Schneider Electric)

Applications

Designed for use in panelboards and switchboards serving commercial buildings, industrial facilities, and institutional environments where 480Y/277 VAC, 3-phase power distribution is required. High 100 kA interrupting rating makes it suitable for installations near large transformers or in high-fault-current distribution systems.