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EHB34040 - 40 Amp Circuit Breaker

  • 40 Amp
  • 14k @ 480VAC; 65k @ 240VAC
  • 3 Pole
Circuit BreakersSKU: EHB34040 [NS]

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EHB34040 - 40 Amp Circuit Breaker Description

EHB34040 - 40 Amp Circuit Breaker

When you need a compatible replacement for an existing Type EHB-4 breaker, the EHB34040 offers the form, fit, and function required for the job. This 3-pole, 40 amp bolt-on circuit breaker is intended for use in compatible electrical distribution equipment and features an interrupting rating of 14kA at 480VAC and 65kA at 240VAC. Its bolt-on design creates a secure connection within the panel while helping maintain the original equipment configuration. Whether you're replacing a worn breaker during routine maintenance or keeping older electrical systems in service, the EHB34040 is built to last and designed to match the specifications your application requires.

Key Features and Benefits

  • 40 amp current rating
  • Three-pole configuration for compatible three-phase systems
  • Bolt-on mounting for a secure installation
  • Interrupting rating of 14kA at 480VAC and 65kA at 240VAC
  • Designed for use in compatible Type EHB-4 equipment
  • Provides the correct form, fit, and function for replacing an existing compatible breaker
  • Helps maintain the original electrical system without equipment modifications
  • Built to last for dependable long-term service

Technical Specifications

  • Part Number: EHB34040
  • Type: EHB-4
  • Mounting Style: Bolt-On
  • Poles: 3
  • Amperage: 40 Amps
  • A.I.C. Rating: 14kA @ 480VAC; 65kA @ 240VAC
  • Dimensions:
    • Width: 3.00 inches
    • Length: 3.50 inches
    • Depth: 2.63 inches
  • Approximate Shipping Weight: 3.00 lbs.

Material Compliance and Certifications

  • The EHB34040 is manufactured to meet its published electrical ratings and physical specifications.
  • Before installation, confirm that the breaker type, amperage, voltage rating, interrupting capacity, pole configuration, and mounting style match the requirements of your existing equipment.
  • Installation should always be completed by a qualified electrician and in accordance with applicable electrical codes.

Where It Works Best

The EHB34040 is commonly used in commercial, industrial, and institutional facilities where compatible Type EHB-4 panelboards or switchboards remain in service. It's a practical choice for maintenance work, repairs, and planned equipment replacements where keeping the original system configuration is important.


Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.

Square D® is a registered trademark of Schneider Electric. Products sold are surplus, used, or refurbished and are NOT supplied by Schneider Electric or its affiliates.

Specifications

  • Width:3.0
  • Height:3.5
  • Depth:2.63
  • Poles:3
  • Amperes:40
  • A.I.C. Rating & Volts:14k @ 480VAC; 65k @ 240VAC
  • Type:EHB-4
  • Approx Dimensions:3.00"W x 3.50"L x 2.63"D
  • Additional Notes:Bolt-On Circuit Breaker

Returns are easy

You may return unused items within 30 days of delivery for a full refund.

FREE ground shipping on breaker orders over $100 and all other items with orders over $500.

Shipping charges are Prepaid and Allowed on UPS Ground orders for all other products on orders over $500.00, again only when shipping within the lower 48 continental United States, provided the product(s) can safely ship UPS Ground.

If the product cannot safely ship via UPS Ground, or is too heavy to ship UPS Ground, then the product will be shipped via freightliner at buyer's expense.

CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).

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