NEF431020 - 20Amp Circuit Breaker
- 20 Amp
- 14k @ 480VAC; 18k @ 240VAC
- 3 Pole
Purchase Options: Refurbished
NEF431020 - 20Amp Circuit Breaker Description
NEF431020 - 20Amp Circuit Breaker
The NEF431020 3 Pole 20 Amp Molded Case Circuit Breaker is built for protecting three-phase electrical systems in commercial and industrial settings. With thermal magnetic trip protection, it reacts to sustained overloads and also trips instantly during short-circuit conditions. That combination helps protect wiring, connected equipment, and panelboards from damage caused by excess current. This breaker uses a bolt-on mounting design, creating a solid, secure connection to the panel. That matters in real-world applications where electrical systems see constant load changes and daily operation. The NEF frame design makes it a direct replacement option in compatible setups, helping reduce installation time and keeping downtime to a minimum.
Key Features and Benefits
- Thermal magnetic trip unit: Thermal magnetic trip unit for overload and short-circuit protection
- 3-pole configuration: 3-pole configuration for three-phase systems
- 20 amp rating: 20 amp rating for branch circuit protection
- Bolt-on style: Bolt-on style for a firm, stable panel connection
- Interrupting rating: Interrupting rating of 14k AIC at 480VAC and 18k AIC at 240VAC
Technical Specifications
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Model Number: NEF431020
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Type: Molded Case Circuit Breaker
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Frame Type: NEF
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Poles: 3
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Amperage Rating: 20A
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AIC Rating: 14k @ 480VAC; 18k @ 240VAC
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Dimensions: 4.13" W x 6.19" L x 3.38" D
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Weight: 6 lbs
Material Compliance and Certifications
- The NEF431020 is manufactured to meet recognized industry standards for performance and safety in commercial and industrial power distribution systems.
- When installed properly and used in compatible equipment, it supports code-compliant operation and dependable circuit protection.
Where It Works Best
- This 3 pole 20 amp circuit breaker is commonly used in commercial buildings, warehouses, manufacturing facilities, and other properties running three-phase power.
- It’s a practical fit for lighting circuits, small motors, and distribution panels that require reliable 20A overcurrent protection.
- For maintenance teams replacing an existing NEF frame breaker, this model provides a straightforward, compatible solution.
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:4.13
- Height:6.19
- Depth:3.38
- Poles:3
- Amperes:20
- A.I.C. Rating & Volts:14k @ 480VAC; 18k @ 240VAC
- Type:NEF
- Approx Dimensions:4.13"W x 6.19"L x 3.38"D
- Additional Notes:Bolt-On, Thermal Magnetic, Molded Case Circuit Breaker. Also known as NEF433020, NEF435020, & NEF437020
Returns are easy
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).