E42B090 - 90Amp Circuit Breaker
- 90 Amp
- 18k @ 480VAC; 25k @ 240VAC
- 2 Pole
Purchase Options: Refurbished
E42B090 - 90Amp Circuit Breaker Description
E42B090 - 90Amp Circuit Breaker
When electrical systems depend on consistent overcurrent protection, having the correct replacement breaker matters. The E42B090 is a 90 Amp, 2-pole molded case circuit breaker designed for use in compatible commercial and industrial power distribution systems. Featuring a bolt-on mounting configuration, this breaker is well suited for maintenance projects, equipment repairs, and electrical system upgrades where maintaining the original form, fit, and function is essential.
Built for applications operating at 240VAC and 480VAC, the E42B090 provides interrupting ratings of 25kA at 240VAC and 18kA at 480VAC, helping protect electrical equipment and circuits from damaging overcurrent conditions. Its two-pole design allows both conductors to disconnect simultaneously, making it suitable for a wide range of branch and feeder circuit applications.
Because it includes load-side terminals, installation can be more straightforward during service and replacement projects. Whether you're maintaining a manufacturing facility, commercial building, institutional property, or industrial operation, the E42B090 provides the ratings and configuration needed to keep compatible electrical systems operating as intended.
Key Features and Benefits
- 90 Amp molded case circuit breaker for commercial and industrial applications
- Two-pole design for compatible 240VAC and 480VAC systems
- Bolt-on mounting configuration for secure installation
- 25kA interrupting capacity at 240VAC
- 18kA interrupting capacity at 480VAC
- HACR rated for applicable HVAC and refrigeration equipment
- Includes load-side terminals
- Designed for operation in 40°C ambient environments
- Ideal for maintenance, repair, and replacement projects
- Helps preserve original equipment configuration and compatibility
- Built to last in properly maintained electrical distribution systems
Technical Specifications
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Part Number: E42B090
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Type: E42
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Product Type: Molded Case Circuit Breaker
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Amperage Rating: 90 Amps
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Poles: 2
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Voltage Rating: 240VAC / 480VAC
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Interrupting Capacity: 25kA @ 240VAC; 18kA @ 480VAC
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Mounting Style: Bolt-On
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HACR Rated: Yes
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Operating Temperature: 40°C
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Included Terminals: Load-Side Terminals
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Width: 2.0 in
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Height: 6.35 in
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Depth: 3.92 in
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Dimensions: 2.0"W x 6.35"H x 3.92"D
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Approximate Shipping Weight: 4.31 lbs
Material Compliance and Certifications
- The E42B090 is a HACR-rated molded case circuit breaker intended for use in electrical systems that match its ratings and installation requirements.
- As with all power distribution equipment, installation and maintenance should be performed by qualified personnel and in accordance with applicable electrical codes, equipment specifications, and safety procedures.
Where It Works Best
- Commercial buildings and office facilities
- Industrial manufacturing environments
- Electrical distribution panels and panelboards
- HVAC and refrigeration systems requiring HACR-rated protection
- Facility maintenance and retrofit projects
- Branch circuit and feeder circuit protection applications
- Electrical systems requiring a 90 Amp, 2-pole bolt-on breaker
- Replacement applications where maintaining original form, fit, and function is important
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:2.0
- Height:6.35
- Depth:3.92
- Poles:2
- Amperes:90
- 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. Bolt-On. Includes 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).
