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SQUARE D Miniature Circuit Breaker: 40 A, 277/480V AC, Single Phase, 18kA at 277/480V AC - EDB & EGB Series, Bolt-On Square D Miniature Circuit Breakers
SQUARE DEDB & EGB Series, Bolt-On Square D Miniature Circuit Breakers

SQUARE D Miniature Circuit Breaker: 40 A, 277/480V AC, Single Phase, 18kA at 277/480V AC

The SQUARE D EDB24040SA is a 40 A, single-phase, 2-pole miniature circuit breaker from the EDB & EGB Series, rated for 277/480V AC with a maximum AIR rating of 18kA at 277/480V AC. Designed for use with Square D NF…

SKU 3G-OTH-22244

Brand
SQUARE D
Item
Miniature Circuit Breaker: 40 A, 277/480V AC, Single Phase, 18kA at 277/480V AC
Category
EDB & EGB Series, Bolt-On Square D Miniature Circuit Breakers
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Technical Specifications

SQUARE D
Manufacturer Part Number
EDB24040SA
Type
Single Phase, 18kA at 277/480V AC
AC
277/480V
Amps
40 A
Phase
Single
Poles
2
For Use With
Square D NF Panelboards
Max. AIR Rating
18kA at 277/480V AC
AC Voltage Rating
277/480V AC
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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SQUARE D EDB24040SA is a 40 A, single-phase, 2-pole miniature circuit breaker from the EDB & EGB Series, rated for 277/480V AC with a maximum AIR rating of 18kA at 277/480V AC. Designed for use with Square D NF Panelboards, this bolt-on breaker provides overcurrent protection in industrial electrical distribution systems.

Used in

Common applications for SQUARE D
Commercial building electrical panels — Square D QO series plug-in circuit breakers for branch circuit protection
Industrial motor control centers — Square D QOB series bolt-on breakers in NQOD panelboards
Heating equipment installations — Square D QOU series unit-mount breakers for overcurrent protection
Outdoor electrical distribution — Square D L-Frame enclosures housing LAL/LHL breakers for 400 A service
Indoor facility power distribution — Square D Q-Frame enclosures with QBL/QDL breakers for 225 A circuits
Retrofit and replacement in existing Square D load centers — QO series breakers for 120/240V AC systems

SQUARE D Products

3G Electric supplies SQUARE D edb & egb series, bolt-on square d miniature circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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SQUARE D Miniature Circuit Breaker: 45 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24045). Key specifications — Phase: Single; Amps: 45 A; AC Voltage Rating: 277/480V AC; Max. AIR Rating: 18kA at 277/480V AC; For Use With: Square D NF Panelboards; Brand: SQUARE D.
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SQUARE D Miniature Circuit Breaker: 45 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24045). Key specifications — Phase: Single; Amps: 45 A; AC Voltage Rating: 277/480V AC; Max. AIR Rating: 18kA at 277/480V AC; For Use With: Square D NF Panelboards; Brand: SQUARE D.
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SQUARE D Miniature Circuit Breaker: 90 A, 277/480V AC, Three Phase, 18kA at 277/480V AC, 3 Poles (MPN EDB34090). Key specifications — Phase: Three; Amps: 90 A; AC Voltage Rating: 277/480V AC; Max. AIR Rating: 18kA at 277/480V AC; For Use With: Square D NF Panelboards; Brand: SQUARE D.
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SQUARE D Miniature Circuit Breaker: 30 A, 277/480V AC, Three Phase, 18kA at 277/480V AC, 3 Poles (MPN EDB34030). Key specifications — Phase: Three; Amps: 30 A; AC Voltage Rating: 277/480V AC; Max. AIR Rating: 18kA at 277/480V AC; For Use With: Square D NF Panelboards; Brand: SQUARE D.
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SQUARE D Miniature Circuit Breaker: 100 A, 277/480V AC, Three Phase, 18kA at 277/480V AC, 3 Poles (MPN EDB34100). Key specifications — Phase: Three; Amps: 100 A; AC Voltage Rating: 277/480V AC; Max. AIR Rating: 18kA at 277/480V AC; For Use With: Square D NF Panelboards; Brand: SQUARE D.
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SQUARE D Miniature Circuit Breaker: 100 A, 277/480V AC, Three Phase, 18kA at 277/480V AC, 3 Poles (MPN EDB34100SA). Key specifications — Phase: Three; Amps: 100 A; AC Voltage Rating: 277/480V AC; Max. AIR Rating: 18kA at 277/480V AC; For Use With: Square D NF Panelboards; Brand: SQUARE D.
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SQUARE D Miniature Circuit Breaker: 100 A, 277/480V AC, Three Phase, 18kA at 277/480V AC, 3 Poles (MPN EDB34100SA). Key specifications — Phase: Three; Amps: 100 A; AC Voltage Rating: 277/480V AC; Max. AIR Rating: 18kA at 277/480V AC; For Use With: Square D NF Panelboards; Brand: SQUARE D.
SQUARE D Miniature Circuit Breaker: 20 A, 480Y/277 V AC, 3 Poles (MPN EGB34020). Key specifications — Amps: 20 A; AC Voltage Rating: 480Y/277 V AC; Brand: SQUARE D.
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SQUARE D Miniature Circuit Breaker: 20 A, 480Y/277 V AC, 3 Poles (MPN EGB34020). Key specifications — Amps: 20 A; AC Voltage Rating: 480Y/277 V AC; Brand: SQUARE D.