E42B030 - 30Amp Circuit Breaker


- 30 Amp
- 18k @ 480VAC; 25k @ 240VAC
- 2 Pole
Purchase Options: Refurbished
E42B030 - 30Amp Circuit Breaker Description
E42B030 - 30 Amp Circuit Breaker
The E42B030 molded case circuit breaker is designed to provide dependable circuit protection in electrical distribution systems that require a 30-amp, 2-pole breaker with reliable interruption capacity. Built on the E42 frame, this bolt-on molded case circuit breaker is intended for use in compatible panelboards and switchboards where consistent protection against overloads and short circuits is essential. With an interrupting rating of 18k A.I.C. at 480VAC and 25k A.I.C. at 240VAC, the E42B030 is suited for a variety of commercial and industrial electrical applications operating under 40°C conditions. The breaker is HACR rated, making it appropriate for heating, air conditioning, and refrigeration equipment circuits when used within system design requirements. Its bolt-on configuration helps ensure a secure mechanical and electrical connection, while included load-side terminals simplify installation and connection to existing conductors. Built to last and engineered for dependable operation, the E42B030 offers form, fit, and functional compatibility for electrical systems designed around the E42 frame platform.
Key Features and Benefits
- 30 Amp, 2-Pole Configuration: Provides reliable protection for two-phase circuits in compatible electrical distribution systems.
- Bolt-On Mounting Design: Secures the breaker firmly to the panelboard bus for a stable electrical connection.
- E42 Frame Compatibility: Designed to match the form and fit requirements of equipment built for the E42 frame platform.
- HACR Rated: Suitable for circuits supplying heating, air conditioning, and refrigeration equipment where permitted by system design.
- High Interrupting Capacity: Rated for 18k A.I.C. at 480VAC and 25k A.I.C. at 240VAC to help protect electrical systems from fault conditions.
- Load-Side Terminals Included: Supports straightforward conductor termination during installation.
- Built to Last: Constructed for long service life in properly maintained electrical distribution systems.
Technical Specifications
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Part Number: E42B030
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Breaker Type: Molded Case Circuit Breaker
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Frame Type: E42
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Number of Poles: 2
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Amperage Rating: 30 Amps
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Interrupting Rating: 18k A.I.C. @ 480VAC; 25k A.I.C. @ 240VAC
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Mounting Type: Bolt-On
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Temperature Rating: 40°C
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HACR Rating: Yes
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Included Accessories: Load-side terminals
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Shipping Weight: 2.0 lbs
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Shipping Height: 6.35 inches
Material Compliance and Certifications
- Industry Standards: The E42B030 molded case circuit breaker is manufactured in accordance with industry standards commonly applied to molded case circuit protection devices.
- HACR Classification: HACR classification confirms its suitability for HVAC-related circuits when installed according to electrical code requirements and equipment specifications.
- Always verify compatibility with the intended panelboard or switchboard and ensure installation follows applicable electrical codes and manufacturer guidelines.
Where It Works Best
- The E42B030 30A 2-pole circuit breaker is commonly used in electrical distribution systems requiring protection for branch circuits operating at 240VAC or 480VAC within the breaker’s interrupting ratings. It is suitable for commercial facilities, industrial control panels, and HVAC-related circuits that require a bolt-on breaker compatible with the E42 frame platform. This breaker is typically installed in panelboards or switchboards designed for bolt-on molded case breakers where maintaining the correct form, fit, and electrical rating is necessary for safe operation.
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.
Specifications
- Width:2.0
- Height:6.35
- Depth:3.92
- Poles:2
- Amperes:30
- A.I.C. Rating & Volts:18k @ 480VAC; 25k @ 240VAC
- Type:E42
- Approx Dimensions:2.00"W x 6.35"L x 3.92"D
- Additional Notes:40°C, HACR rated, Molded Case Circuit Breaker. Bolt-On. Includes load-side terminals.
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You may return unused items within 30 days of delivery for a full refund.
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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).

