E42B070L - 70Amp Circuit Breaker


- 70 Amp
- 18k @ 480VAC; 25k @ 240VAC
- 2 Pole
Purchase Options: Refurbished
E42B070L - 70Amp Circuit Breaker Description
E42B070L - 70 Amp Circuit Breaker
If you’re working with an existing electrical system and need a breaker that fits right the first time, the E42B070L molded case circuit breaker is a practical, no-nonsense solution. Built around the E42 frame, this 2-pole, 70-amp breaker is designed to slide into compatible panels without guesswork or modification. It handles everyday protection duties—like overloads and short circuits—with interrupting ratings of 18kA at 480VAC and 25kA at 240VAC, making it a dependable choice for commercial and industrial environments. With its HACR rating and 40°C operation capability, it’s especially useful in HVAC and refrigeration setups where consistent protection matters. And since it includes both line and load-side terminals, you’re not hunting for extra parts just to get the job done.
Key Features and Benefits
- Straightforward Fit for E42 Systems – Designed to match E42 frame panelboards for easy replacement
- 70 Amp, 2-Pole Protection – Handles medium-duty electrical loads with consistency
- Reliable Interrupting Ratings – 18kA @ 480VAC and 25kA @ 240VAC for solid fault protection
- HACR Rated – Well-suited for heating, air conditioning, and refrigeration circuits
- Terminals Included – Line and load-side terminals come standard, saving time on installation
- Built to Last – Designed for long-term use in demanding environments
Technical Specifications
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Part Number: E42B070L
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Poles: 2
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Amperage: 70A
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Voltage Rating: Up to 480VAC
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Interrupting Rating:
- 18kA @ 480VAC
- 25kA @ 240VAC
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Frame Type: E42
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Temperature Rating: 40°C
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Breaker Type: Molded Case Circuit Breaker
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Ship Weight: 2.0 lbs
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Dimensions (Height): 6.35 inches
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Terminal Type: Line and load-side terminals included
Material Compliance and Certifications
- HACR Rated for HVAC and refrigeration applications
- Meets commonly accepted industry standards for molded case circuit breakers
- Suitable for installations requiring compliance with North American electrical codes
Where It Works Best
The E42B070L is right at home in commercial buildings, industrial facilities, and HVAC systems where E42 frame breakers are already in place. It’s especially useful for maintenance teams and electricians who need a replacement that fits correctly and performs as expected—without reworking the panel. Whether you’re servicing an older distribution system or maintaining existing infrastructure, this breaker keeps things simple and dependable.
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Specifications
- Width:2.0
- Height:6.35
- Depth:3.92
- Poles:2
- Amperes:70
- 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. 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.
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Same Day Shipping
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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).

