Square D EGB34090 Molded Case Circuit Breaker – 90A – 3-Pole – 480Y/277V AC – Thermal-Magnetic – Bolt-On – EGB Series

The Square D EGB34090 is a 90A, 3-pole bolt-on molded case circuit breaker designed for use with compatible Square D NF Panelboards. It features a thermal-magnetic trip unit and a signal indicator that indicates when a trip has occurred.

The breaker is rated for 480Y/277V AC and is calibrated for a 40°C ambient temperature. It includes aluminum lugs with terminal lug ratings of AWG 12–6 for aluminum and AWG 14–6 for copper conductors.

The EGB34090 is CSA-rated, HID-rated, and HACR-rated, and is UL Listed as High-Intensity Discharge (HID). It has a hold current of 270A and a trip current of 875A.

Specifications:

• Manufacturer: Schneider Electric / Square D
• Product Type: Molded Case Circuit Breaker
• Catalog No.: EGB34090
• Product Family: EGB Series
• Series: EGB
• Current Rating: 90A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Voltage Rating: 480Y/277V AC
• Protection Type: Thermal-Magnetic
• Trip Unit: Thermal-Magnetic
• Mounting Type: Bolt-On
• Application: Square D NF Panelboards
• Signal Indicator: Indicates when a trip has occurred
• Hold Current: 270A
• Trip Current: 875A
• Calibration: 40°C
• Terminal Type: Aluminum Lugs
• Aluminum Lug Rating: AWG 12–6
• Copper Lug Rating: AWG 14–6
• Ratings: CSA, HID, HACR
• UL Listing: UL Listed as High-Intensity Discharge (HID)
• Brand: Square D
• Authenticity: Genuine Square D / Schneider Electric Product

Part Numbers & Identification:

• Manufacturer Part Number (MPN): EGB34090
• Catalog Number: EGB34090
• Product Family: Square D EGB Circuit Breakers
• Series: EGB
• Brand: Square D
• Manufacturer: Schneider Electric
• Product Type: Molded Case Circuit Breaker
• Model: EGB34090
• Configuration: 3-Pole, 90A
• Trip Configuration: Thermal-Magnetic
• Mounting: Bolt-On
• upc:785901130475

Compatibility:

Designed for use with compatible Square D NF Panelboards that accept EGB Series bolt-on molded case circuit breakers. The EGB34090 provides 90A, 3-pole protection for compatible 480Y/277V AC, 3-phase applications.

The breaker includes aluminum lugs rated for AWG 12–6 aluminum and AWG 14–6 copper conductors. Always verify the specific panelboard model, approved breaker type, system voltage, conductor size, terminal requirements, available fault current, and installation requirements before installation.

Certifications:

• CSA Rated
• HID Rated
• HACR Rated
• UL Listed as High-Intensity Discharge (HID)
• 90A Rated
• 3-Pole / 3-Phase
• 480Y/277V AC Rated
• Thermal-Magnetic Protection
• Bolt-On Mounting
• 40°C Calibrated
• Signal Trip Indicator
• Aluminum Lugs
• Genuine Square D / Schneider Electric Product

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

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