E43B030L - 30Amp Circuit Breaker


- 30 Amp
- 18k @ 480VAC; 25k @ 240VAC
- 3 Pole
Purchase Options: New Surplus
E43B030L - 30Amp Circuit Breaker Description
E43B030L - 30Amp Circuit Breaker
The E43B030L 30 Amp 3-Pole Molded Case Circuit Breaker is designed for commercial and industrial electrical systems that require a compatible Type E43 circuit breaker. Whether you're replacing a failed breaker, performing scheduled maintenance, or keeping critical spare parts available for facility operations, this breaker delivers the form, fit, and function needed to help keep existing equipment operating as intended.
Built for three-phase power distribution applications, the E43B030L provides 30 Amp overcurrent protection and is rated for interrupting capacities of 25kA at 240VAC and 18kA at 480VAC. Its molded case construction is designed for long-term service in demanding electrical environments, making it a practical choice for maintenance professionals, electricians, facility managers, and industrial operations teams.
When maintaining existing electrical infrastructure, compatibility matters. The E43B030L is intended for applications that require a Type E43 30 Amp 3-pole molded case circuit breaker, helping restore systems to proper operation without altering original equipment configurations. Rated for operation in ambient temperatures up to 40°C, this breaker is built to last and remains a dependable component for supporting safe and efficient power distribution throughout your facility.
Key Features and Benefits
- 30 Amp current rating
- 3-pole configuration for three-phase electrical systems
- Type E43 molded case circuit breaker
- Molded case construction
- Includes line-side and load-side terminals
- HACR rated for qualifying HVAC and refrigeration applications
- Rated for operation in ambient temperatures up to 40°C
- Helps protect electrical circuits from overloads and short circuits
- Designed for form, fit, and functional compatibility in existing installations
- Built to last for continued use in commercial and industrial electrical systems
Technical Specifications
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Part Number: E43B030L
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Type: E43
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Circuit Breaker Style: Molded Case Circuit Breaker
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Amperage Rating: 30 Amps
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Poles: 3
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A.I.C. Rating: 25kA @ 240VAC; 18kA @ 480VAC
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HACR Rated: Yes
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Ambient Temperature Rating: 40°C
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Included Accessories: Line-Side and Load-Side Terminals
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Width: 3.0 in.
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Height: 6.35 in.
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Depth: 3.92 in.
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Dimensions: 3.0"W × 6.35"H × 3.92"D
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Approximate Shipping Weight: 5.38 lbs.
Material Compliance and Certifications
- HACR (Heating, Air Conditioning, and Refrigeration) Rated
- Designed for use in compatible electrical distribution equipment within published ratings and specifications
- Intended for installation and operation in accordance with applicable electrical codes, standards, and equipment requirements
Where It Works Best
The E43B030L is commonly used in commercial, industrial, and institutional facilities that require a compatible 30 Amp Type E43 molded case circuit breaker. Typical applications include:
- Electrical distribution systems
- Commercial buildings
- Industrial facilities
- HVAC equipment and support systems
- Refrigeration equipment
- Manufacturing operations
- Maintenance and repair projects
- Existing power distribution equipment requiring a compatible replacement breaker
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.
Siemens®, I-T-E®, and Murray® are registered trademarks of Siemens AG. Products sold are surplus, used, or refurbished and are NOT supplied by Siemens AG or its affiliates.
Specifications
- Width:3.0
- Height:6.35
- Depth:3.92
- Poles:3
- Amperes:30
- A.I.C. Rating & Volts:18k @ 480VAC; 25k @ 240VAC
- Type:E43
- Approx Dimensions:3.00"W x 6.35"L x 3.92"D
- Additional Notes:40°C, HACR rated, Molded Case Circuit Breaker. Includes Line and load-side terminals.
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
FREE shipping on breaker orders over $100 and all other items with orders over $500.
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).

