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TEYF2100B - 100Amp Circuit Breaker

  • 100 Amp
  • 18k @ 480VAC; 65k @ 240VAC
  • 2 Pole
Circuit BreakersSKU: TEYF2100B

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TEYF2100B - 100Amp Circuit Breaker Description

TEYF2100B - 100Amp Circuit Breaker

The TEYF2100B is a 2-pole, 100-amp bolt-on thermal magnetic circuit breaker designed to provide dependable overcurrent and short-circuit protection in commercial and industrial electrical distribution systems. Built for 480Y/277V Class applications, this breaker features a non-interchangeable trip mechanism that helps maintain consistent circuit protection and reduces the risk of unauthorized trip-setting changes. Its bolt-on mounting design provides a secure electrical connection that is well-suited for panelboards and switchboards where reliability is essential. With interrupting ratings of 18kA at 480VAC and 65kA at 240VAC, the TEYF2100B is engineered to help protect equipment, minimize downtime, and support the safe operation of demanding electrical systems. Whether you're replacing an existing breaker or maintaining a facility, this unit delivers the dependable performance expected in commercial and industrial environments. This product description emphasizes helpful, original content and technical accuracy, following Google's recommendations for high-quality product pages.

Key Features and Benefits

  • 100 Amp Rating: Provides reliable overcurrent protection in higher-capacity branch circuits.
  • 2-Pole Configuration: Designed for applications requiring protection across two energized conductors.
  • Bolt-On Mounting: Provides a secure installation that helps maintain dependable electrical connections.
  • Thermal Magnetic Trip Unit: Offers protection against both sustained overloads and instantaneous short circuits.
  • Non-Interchangeable Trip: Helps ensure the factory-rated trip setting remains unchanged.
  • 480Y/277V Class Design: For use in commercial and industrial electrical distribution systems.
  • High Interrupting Capacity: Rated for 18kA at 480VAC and 65kA at 240VAC, making it suitable for systems with higher available fault current.
  • Compact Dimensions: Simplify installation in compatible electrical equipment.

Technical Specifications

  • Part Number: TEYF2100B
  • Type: TEYF
  • Poles: 2
  • Amperage: 100A
  • Trip Type: Thermal Magnetic
  • Trip Style: Non-Interchangeable
  • Mounting: Bolt-On
  • Voltage Class: 480Y/277V Class
  • Interrupting Rating: 18kA @ 480VAC; 65kA @ 240VAC
  • Dimensions:
    • Height: 5.25 in.
    • Width: 2.00 in.
    • Depth: 3.06 in.

Material Compliance and Certifications

  • Industry Standards: The TEYF2100B is manufactured for use in compatible electrical distribution equipment and is designed to meet applicable industry performance standards for molded case circuit breakers.
  • Installation Guidance: Always verify compatibility with your specific panelboard or electrical system and ensure installation is performed in accordance with applicable electrical codes and manufacturer recommendations.

Where It Works Best

  • The TEYF2100B is an excellent choice for a variety of commercial and industrial applications, including commercial office buildings, manufacturing and production facilities, educational institutions, healthcare facilities, retail buildings, multi-unit residential properties, electrical distribution panels and panelboards, and equipment requiring dependable 100A overcurrent protection in 480Y/277V Class systems.

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.

GE®, and ABB® are registered trademarks of General Electric Company and ABB Ltd., respectively. Products sold are surplus, used, or refurbished and are NOT supplied by General Electric Company or ABB Ltd., or their affiliates.

Specifications

  • Width:2.0
  • Height:5.25
  • Depth:3.06
  • Poles:2
  • Amperes:100
  • A.I.C. Rating & Volts:18k @ 480VAC; 65k @ 240VAC
  • Type:TEYF
  • Approx Dimensions:2.00"W x 5.25"L x 3.06"D
  • Additional Notes:Bolt-on Thermal Magnetic Circuit Breaker with Non-Interchangeable Trip. 480Y/277V Class

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).

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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).

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