ED42B110 - 110Amp Circuit Breaker

- 110 Amp
- 18k @ 480VAC; 65k @ 240VAC
- 2 Pole
Purchase Options: New In Box
ED42B110 - 110Amp Circuit Breaker Description
ED42B110 - 110Amp Circuit Breaker
Looking for a reliable circuit breaker that keeps your electrical system running safely and efficiently? The Siemens ED42B110 is a 110 Amp, 2-pole molded case circuit breaker built to deliver dependable overcurrent protection in demanding commercial and industrial environments. Whether you're upgrading an existing system or replacing a worn-out unit, this breaker offers the trusted performance Siemens is known for.
Part of the Siemens Sentron ED frame family, the ED42B110 features a thermal magnetic trip unit that reacts quickly to both overloads and short circuits—helping protect your equipment and minimize downtime. With a 480V AC rating and an 18kA interrupting capacity (18kAIC), it’s designed to handle tough electrical conditions with confidence.
Key Features and Benefits
- Trusted Siemens Sentron ED frame molded case circuit breaker
- 110 Amp continuous current rating for consistent performance
- 2-pole design ideal for 480V AC systems
- Thermal magnetic trip unit for fast, reliable protection against overloads and short circuits
- 18kA interrupting capacity (18kAIC) at 480V AC
- Comes factory-equipped with load lugs only (TA1E6125)
- Compatible with 3–3/0 AWG copper or 1–2/0 AWG aluminum wiring
- Designed for standard 40°C operating environments
- Easy replacement option for existing Siemens ED-frame breakers
- Built for durability in commercial and industrial applications
Technical Specifications
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Catalog Number: ED42B110
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Manufacturer: Siemens
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Product Type: Molded Case Circuit Breaker
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Series / Frame: ED Frame (Sentron)
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Trip Unit: Thermal Magnetic
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Amperage Rating: 110 Amps
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Voltage Rating: 480V AC
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Number of Poles: 2
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Interrupting Rating: 18kAIC at 480V AC
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Terminal Type: Load Lugs Only (TA1E6125)
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Wire Range: 3–3/0 AWG Copper / 1–2/0 AWG Aluminum
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Reference Operating Temperature: 40°C
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Dimensions:
- Width: 2.00 in.
- Height: 6.35 in.
- Depth: 3.92 in.
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Weight: 2.701 lb.
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Product Family: ED4 18kAIC, 480VAC
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Country of Origin: Mexico
Material Compliance and Certifications
- The Siemens ED42B110 is built to meet UL 489 and IEC 60947-2 standards, ensuring it performs safely and reliably in real-world applications. It is also RoHS compliant, aligns with WEEE (2012/19/EU) requirements where applicable, and includes REACH Article 33 material transparency information.
- For best results and safety, installation should always be performed by qualified professionals in accordance with the National Electrical Code (NEC) and local regulations.
Where It Works Best
- Siemens ED-frame panelboards and compatible systems
- Commercial and industrial electrical distribution setups
- 480V AC branch circuit protection
- Warehouses, manufacturing plants, and commercial buildings
- Maintenance, repair, and system upgrades
- Direct replacement for compatible Siemens ED-frame breakers
- Applications needing a 110 Amp, 2-pole breaker with 18kA interrupting capacity
- Installations using load-side lug connections
- Projects where maintaining system compatibility is essential
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:110
- A.I.C. Rating & Volts:18k @ 480VAC; 65k @ 240VAC
- Type:ED4
- Approx Dimensions:2.00"W x 6.35"L x 3.92"D
- Additional Notes:40°C, HACR rated, Sentron Style Molded Case Circuit Breaker. Bolt-On. Includes load-side terminals. Suitable for reverse feed.
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
FREE ground shipping on breaker orders over $100 and all other items with orders over $500.
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If the product cannot safely ship via UPS Ground, or is too heavy to ship UPS Ground, then the product will be shipped via freightliner at buyer's expense.
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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).
