FD63T125 - 125Amp Trip Unit

FD63T125 - 125Amp Trip Unit

The Siemens FD63T125 is a high-performance thermal-magnetic trip unit designed for use with Siemens FD frame molded case circuit breakers. This trip unit provides reliable protection against both overload and short-circuit conditions. However, it must be installed in a suitable breaker frame to operate as a fully functional circuit breaker in your electrical system. This is only a trip unit, it needs a compatible frame to function as a circuit breaker.

Key Features and Benefits:

• Thermal-Magnetic Trip Technology: The FD63T125 trip unit combines thermal overload protection with magnetic short-circuit interruption, ensuring your electrical system is protected from both overload and fault conditions.
• Standard Breaking Capacity: When paired with a compatible frame, the FD63T125 offers a breaking capacity of 22KAIC at 600V and 35KAIC at 480V, providing reliable protection against high fault currents.
• Versatile Lug Range: Supports a wide variety of wire sizes, including copper (6AWG - 350KCM) and aluminum (4AWG - 350KCM), making it flexible for different installation scenarios.

Technical Specifications:

• Current Rating: 125 Amps
• Poles: 3
• Breaking Capacity: 22KAIC at 600V, 35KAIC at 480V
• Lug Specifications: Line and load side lugs (TA1FD350A), wire range: 6AWG - 350KCM (Copper), 4AWG - 350KCM (Aluminum)
• Dimensions: 4.5 inches (W) x 9.5 inches (H) x 4 inches (D)
• Weight: 1.301 lbs

Material Compliance and Certifications:

• RoHS Compliance: Compliant with the RoHS directive, ensuring that the product is free from hazardous substances.
• WEEE Compliance: Meets the WEEE directive (2012/19/EU) take-back obligations for environmentally responsible disposal.
• REACH Compliance: Fulfills the duty to inform according to the latest list of substances under REACH regulations.

Suitability:

• When installed in a compatible Siemens FD frame, the FD63T125 trip unit is perfect for protecting electrical systems in commercial, industrial, and residential applications. Its high breaking capacity and reliable trip functionality ensure dependable protection against overloads and short circuits.

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