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W2100 - 100Amp Circuit Breaker

  • 100 Amp
  • 10k @ 120/240VAC
  • 2 Pole
Circuit BreakersSKU: W2100 [R]

Purchase Options: Refurbished

W2100 - 100Amp Circuit Breaker Description

W2100 - 100 Amp Circuit Breaker

If you’re dealing with a panel that needs dependable protection without guesswork, this 2-pole 100-amp circuit breaker is the kind of component you install once and don’t have to think about again.

Built for residential 120/240VAC systems, this main plug-in breaker is designed to handle real-world electrical demands. Whether you’re replacing a worn-out breaker or upgrading your panel, you get clean, consistent performance where it matters most: protecting your system from overloads and short circuits before they become expensive problems.

What makes this breaker stand out is its thermal magnetic trip mechanism. In plain terms, it reacts intelligently. It allows normal fluctuations in your electrical load, but the moment something dangerous happens—like a fault or short circuit—it trips quickly to prevent damage. That balance is what keeps your system running smoothly without constant nuisance trips.

And because it’s a molded case breaker, you’re getting a solid, long-lasting build that’s made to perform under pressure—no gimmicks—just reliable protection that electricians trust.

Key Features and Benefits

  • 100 Amp Power Capacity
    Handles standard residential loads with confidence—ideal for main breaker applications
  • 2-Pole Design for 120/240VAC Systems
    Ensures proper protection across both lines in your electrical panel
  • Thermal Magnetic Trip Mechanism
    Smart protection against overloads and instant response to short circuits
  • 10kA Interrupting Rating (A.I.C.)
    Safely interrupts high fault currents to protect your equipment and wiring
  • Main Plug-In Configuration
    Designed for quick installation in compatible residential load centers
  • Durable Molded Case Construction
    Built to last, even under demanding electrical conditions

Technical Specifications

  • Poles: 2
  • Amperage: 100A
  • Voltage: 120/240VAC
  • Interrupting Capacity: 10kA
  • Frame Type: W
  • Breaker Type: Main Residential Plug-In
  • Trip Type: Thermal Magnetic
  • Construction: Molded Case

Material Compliance and Certifications

  • This circuit breaker is manufactured using industry-standard materials and tested to meet established electrical performance and safety expectations. It’s suitable for residential systems when installed in accordance with applicable electrical codes and manufacturer guidelines, ensuring safe and reliable operation over time.

Where It Works Best

  • You’ll typically see this breaker used in:
  • Residential main panels needing a 100-amp main breaker
  • Home electrical upgrades or panel replacements
  • Single-family homes, condos, and light residential setups
  • Service technicians and electricians looking for a dependable, no-surprises install

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

  • Poles:2
  • Amperes:100
  • A.I.C. Rating & Volts:10k @ 120/240VAC
  • Type:W
  • Additional Notes:Main Residential Plug-In, Molded Case, 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

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).

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