EH34090 - 90 Amp Circuit Breaker
- 90 Amp
- 14k @ 480VAC; 65k @ 240VAC
- 3 Pole
Purchase Options: Refurbished
EH34090 - 90 Amp Circuit Breaker Description
EH34090 - 90 Amp Circuit Breaker
When you're replacing a breaker in an existing setup, the last thing you want is guesswork. The EH34090 circuit breaker is built to match EF-4 frame panelboards, so it fits the way it should and works with the system you already have in place. Rated at 90 amps with a 3-pole configuration, it’s commonly used in three-phase applications where steady, reliable protection is needed. This breaker uses a thermal magnetic trip mechanism, which means it responds differently depending on the situation—handling longer overloads with a delayed response while reacting quickly to short circuits. That balance helps protect both wiring and equipment without overcomplicating things. With interrupting ratings of 14kA at 480VAC and 65kA at 240VAC, it’s designed to operate within standard system requirements found in many commercial and industrial environments. It’s a straightforward, dependable component made for systems that are expected to keep running.
Key Features and Benefits
- 90 amp rating suited for a range of commercial and industrial loads
- 3-pole design for use in three-phase electrical systems
- Thermal magnetic trip for both overload and short-circuit protection
- Plug-on connection for direct installation into compatible panelboards
- Designed for EF-4 frame equipment to ensure proper fit
- Interrupting ratings of 14kA @ 480VAC and 65kA @ 240VAC
- Built for long-term use in established electrical systems
Technical Specifications
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Part Number: EH34090
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Amperage: 90A
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Poles: 3
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Frame Type: EF-4
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Voltage Rating: Up to 480VAC
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Interrupting Capacity:
- 14kA @ 480VAC
- 65kA @ 240VAC
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Mounting Style: Plug-On
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Trip Type: Thermal Magnetic
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Weight: Approximately 3.5 lbs
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Height: 3.5 inches
Material Compliance and Certifications
- Manufactured to meet commonly accepted UL and ANSI standards for circuit breakers
- Suitable for installations following NEC (National Electrical Code) requirements
- Constructed with materials intended for consistent electrical performance over time
Where It Works Best
- Commercial buildings and office spaces
- Industrial facilities and production areas
- Schools, hospitals, and large institutions
- Existing panelboards that require EF-4 frame breakers
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Specifications
- Width:3.5
- Height:3.5
- Depth:2.63
- Poles:3
- Amperes:90
- A.I.C. Rating & Volts:14k @ 480VAC; 65k @ 240VAC
- Type:EH-4
- Approx Dimensions:3.50"W x 3.50"L x 2.63"D
- Additional Notes:Plug-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).
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).