Square D EJB34020 Molded Case Circuit Breaker – 20A – 3-Pole – 480Y/277V AC – Thermal-Magnetic – Bolt-On – EJB Series

The Square D EJB34020 is a 20A, 3-pole bolt-on molded case circuit breaker designed for use with compatible Square D NF Panelboards. It is rated for 480Y/277V AC systems and features a thermal-magnetic trip unit with a signal indicator to indicate when a trip has occurred.

The EJB34020 is CSA-rated, HID-rated, and HACR-rated, and is UL Listed for High-Intensity Discharge applications. It is calibrated for a 40°C ambient temperature and includes aluminum lugs for copper and aluminum conductors.

Specifications:

• Brand: Square D
• Manufacturer: Schneider Electric
• Product Type: Molded Case Circuit Breaker
• Series: EJB
• Current Rating: 20A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• System Voltage: 480Y/277V AC
• Trip Technology: Thermal-Magnetic
• Mounting Type: Bolt-On
• Signal Indicator: Trip indication
• Hold Current: 270A
• Trip Current: 875A
• Ambient Rating: 40°C
• Terminal Type: Aluminum Lugs
• Wire Range - Aluminum: 12–6 AWG
• Wire Range - Copper: 14–6 AWG
• Application: Square D NF Panelboards
• Ratings: CSA, HID, HACR

Part Numbers & Identification:

• Manufacturer Part Number (MPN): EJB34020
• Catalog Number: EJB34020
• Product Family: EJB Series Molded Case Circuit Breakers
• Brand: Square D
• Manufacturer: Schneider Electric
• Product Type: Molded Case Circuit Breaker
• Model: EJB34020
• UPC:785901326380

Compatibility:

Designed for use with compatible Square D NF Panelboards accepting EJB Series bolt-on molded case circuit breakers. The EJB34020 is suitable for 20A, 3-phase, 480Y/277V AC applications and includes aluminum lugs supporting 12–6 AWG aluminum and 14–6 AWG copper conductors.

Always verify the specific panelboard model, breaker compatibility, voltage, mounting configuration, conductor requirements, and application ratings before installation.

Certifications:

• UL Listed
• CSA Rated
• HID Rated
• HACR Rated
• UL Listed for High-Intensity Discharge Applications

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You may return items within 10 days of delivery for a refund.

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