THED124040 **Older Style** - 40Amp Circuit Breaker

THED124040 **Older Style** - 40Amp Circuit Breaker

The THED124040 Circuit Breaker is a simple, reliable way to protect your electrical system. It handles 40 amps on 480V setups and cuts off power safely if there’s an overload or short circuit. With a 25kAIC rating, it can manage strong surges without trouble, so you don’t have to worry about sudden faults. Part of the E150 line, it works well with other Thermal Magnetic Circuit Breakers and Molded-Case Switches up to 150 amps and 600 volts AC.

Key Features and Benefits

• Thermal Magnetic Protection: Keeps your circuits safe from overloads and short circuits.
• Double-Pole Design: Shuts down both live and neutral lines at the same time for faster safety.
• Handles Strong Surges: 25kAIC rating means it can handle high fault currents.
• Works in Many Systems: Supports 60/75°C up to 100 amps, and 75°C above 100 amps.

Technical Specifications

• Poles: 2
• Amperage: 40A
• Voltage: 480V
• Frame Type: E150
• Trip Function: LI
• Certifications: Meets quality and safety standards (not GSA compliant)

Material Compliance and Certifications

• Cu/Al Line and Load Lugs: This breaker comes with Cu/Al line and load lugs (WL catalog suffix), so it meets electrical standards and gives a reliable connection.

Where It Works Best

• Great for industrial plants, commercial buildings, or anywhere you need steady, reliable electrical protection. Also works for reverse-feed setups and other situations where safety and integrity matter.