NB232070 - 70Amp Circuit Breaker


- 70 Amp
- 10k @ 240VAC
- 3 Pole
Purchase Options: New In Box
NB232070 - 70Amp Circuit Breaker Description
NB232070 - 70Amp Circuit Breaker
If you need dependable protection for a three-phase system, the NB232070 70 Amp circuit breaker is built to handle the job. This 3-pole, thermal magnetic breaker helps guard electrical systems against overloads and short circuits, reducing the risk of equipment damage and unexpected downtime. With a 70A rating and 10kA interrupting capacity at 240VAC, it’s designed for circuits that carry heavier loads and need steady, consistent protection. The bolt-on design provides a firm connection to the panelboard bus, which helps minimize movement and supports long-term performance. Its compact 3-inch width also makes it easier to work within tight panel spaces. Whether you’re replacing an existing unit or maintaining a commercial or residential three-phase setup, the NB232070 offers reliable performance without unnecessary complexity.
Key Features and Benefits
- 70 Amp Rating: Protects higher-capacity circuits from overload conditions.
- 3-Pole Configuration: Covers all three phases for balanced three-phase power systems.
- Thermal Magnetic Trip: Responds to both sustained overloads and sudden short circuits.
- Bolt-On Mounting: Secures directly to the panelboard bus for a stable installation.
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Space-Efficient Size: 3.00" width allows efficient use of panel space.
Technical Specifications
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Model: NB232070
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Amperage: 70A
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Poles: 3
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Interrupting Capacity: 10kA @ 240VAC
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Frame Type: NB
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Dimensions:
- Width: 3.00"
- Length: 3.38"
- Depth: 2.31"
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Shipping Weight: 2.75 lbs
Material Compliance and Certifications
- The NB232070 is manufactured to meet recognized industry standards for low-voltage circuit protection.
- Its internal trip mechanism is designed for consistent operation within its rated capacity when installed in compatible panelboards and according to applicable electrical codes.
Where It Works Best
- This breaker is commonly used in commercial buildings, light industrial facilities, and larger residential properties that operate on three-phase power.
- It works well for HVAC equipment, motor loads, distribution panels, and other circuits where dependable 70-amp protection is required.
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:3.0
- Height:3.38
- Depth:2.31
- Poles:3
- Amperes:70
- A.I.C. Rating & Volts:10k @ 240VAC
- Type:NB
- Approx Dimensions:3.00"W x 3.38"L x 2.31"D
- Additional Notes:Bolt-on, Thermal Magnetic Circuit Breaker
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).
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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).
