1. Overview

2. Specifications

• Rated Current: 100 Amperes (A)
• Rated Voltage: 240 V (typical value, suitable for three-phase four-wire systems)
• Pole Number: Usually 3-pole, used for three-phase systems
• Breaking Capacity: 40 kA or higher (depending on the specific model)
• Pole Spacing: In accordance with NEMA standards (e.g., 12 inches)

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3. Product Features

• Modular Design: GE TEB series usually adopts a modular design, which is convenient for combining with other modules (such as contactors and relays) in the power distribution cabinet.
• Flexible Terminal Configuration: Products with “WL” in the model (e.g., TEB122100WL) are usually equipped with a terminal block for easy wiring; models without “WL” may adopt other wiring methods.
• Standardized Size: Complies with NEMA standards, making it easy to install in standard power distribution cabinets.
• Durability: As a molded case circuit breaker, it has good insulation performance and corrosion resistance.

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4. Structure and Composition

• Enclosure: Made of high-strength plastic material, providing physical protection and electrical insulation.
• Internal Mechanism: Includes a closing mechanism (for closing the circuit) and an opening mechanism (for opening the circuit).
• Contact System: A set of metal contacts for conducting current.
• Thermomagnetic Trip Unit: One of the core components, responsible for automatically cutting off the circuit in case of overload or short circuit. It combines the functions of thermal trip (based on thermal effect) and magnetic trip (based on magnetic field effect).
• Terminal Block (Optional): If equipped with the “WL” model, it usually includes a terminal block for connecting power lines and load lines.

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5. Application Fields

• Industrial Power Distribution: Widely used in the power distribution systems of industrial plants to protect motors, lighting and other electrical equipment.
• Commercial Buildings: Used in the power distribution cabinets of commercial buildings to protect loads such as air conditioners, lighting and elevators.
• Energy Systems: In wind power generation or solar photovoltaic power generation systems, it serves as a front-end protection device for inverters or converters.