E42B020L - 20Amp Circuit Breaker


- 20 Amp
- 18k @ 480VAC; 25k @ 240VAC
- 2 Pole
Purchase Options: Refurbished
E42B020L - 20Amp Circuit Breaker Description
E42B020L - 20 Amp Circuit Breaker
The E42B020L molded case circuit breaker is designed to provide dependable circuit protection for electrical distribution systems requiring a 20-amp, 2-pole breaker within the E42 frame platform. Built for form, fit, and functional compatibility with equipment designed for the E42 series, this breaker helps protect conductors and connected equipment from overloads and short circuits. It carries an interrupting capacity of 18kA at 480VAC and 25kA at 240VAC, making it suitable for a range of commercial and industrial electrical panels where these ratings are required. Rated for operation at 40°C and HACR applications, the E42B020L supports HVAC-related loads and other systems that demand reliable overcurrent protection. Line- and load-side terminals are included, allowing straightforward installation in compatible panels and switchboards. Molded case breakers like the E42B020L are known for their durable construction and are built to last in demanding electrical environments where dependable circuit interruption is essential.
Key Features and Benefits
- 20 Amp Trip Rating: Helps protect circuits from overload and short-circuit conditions.
- 2-Pole Configuration: Designed for systems requiring dual-pole protection in compatible equipment.
- E42 Frame Compatibility: Matches the physical and electrical characteristics required for E42 series installations.
- Interrupting Capacity: Rated 18kA at 480VAC and 25kA at 240VAC to handle fault conditions within specified systems.
- HACR Rated: Suitable for use with heating, air conditioning, and refrigeration equipment circuits.
- Included Terminals: Supplied with line- and load-side terminals for installation in appropriate panels and assemblies.
-
Molded Case Design: Provides enclosed protection components in a compact, durable housing.
Technical Specifications
-
Part Number: E42B020L
-
Frame Type: E42
-
Breaker Type: Molded Case Circuit Breaker
-
Poles: 2
-
Amperes: 20A
-
Interrupting Rating:
- 18kA @ 480VAC
- 25kA @ 240VAC
-
Temperature Rating: 40°C
-
HACR Rating: Yes
-
Included Accessories: Line and load-side terminals
-
Approximate Shipping Weight: 2.0 lbs
-
Height: 6.35 in.
Material Compliance and Certifications
- Industry Standards: The E42B020L circuit breaker is manufactured to meet applicable industry electrical standards associated with molded case circuit breakers used in commercial and industrial distribution equipment.
- HACR Certification: HACR certification supports installation in HVAC-related circuits where such ratings are required.
- Always confirm compliance with local codes, panel compatibility, and system ratings prior to installation.
Where It Works Best
- The E42B020L is commonly used in commercial facilities, industrial buildings, and electrical distribution panels where equipment requires a 20-amp, 2-pole breaker in the E42 frame format. It is appropriate for maintaining existing electrical systems that rely on this frame design, including HVAC circuits, branch distribution panels, machinery protection circuits, and facility electrical infrastructure that must match the original breaker specifications 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:20
- 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.
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).

