1SDA075148R1 ABB XT3S 225 TMF 225-2250 4P Circuit Breaker

Why Choose the ABB XT3S 225 TMF 225-2250 4P Circuit Breaker?

The ABB XT3S 225 TMF 225-2250 4P, order code 1SDA075148R1, is a high-performance four-pole moulded case circuit breaker (MCCB) designed for reliable protection and switching of low-voltage electrical distribution systems. As part of the ABB SACE Tmax XT range, it combines a compact XT3 frame with a thermomagnetic TMF trip unit for dependable overload and short-circuit protection.

This circuit breaker has a 225 A rated current and a TMF release rated 225–2250 A. The S breaking-capacity version provides an interruption rating of 35 kA at 480 V AC, making it suitable for demanding commercial and industrial power-distribution applications where dependable fault protection is required.

The XT3S 225 is supplied in a fixed, four-pole configuration with front terminals and features a fully rated neutral. Designed for UL/CSA applications, it has a rated voltage of up to 600Y/347 V and provides a practical solution for protecting feeders, distribution circuits and electrical equipment.

Key Advantages

• Compact four-pole moulded case circuit breaker for low-voltage distribution systems.
• 225 A rated current for industrial and commercial power circuits.
• TMF thermomagnetic trip unit provides overload and short-circuit protection.
• 35 kA interruption rating at 480 V AC for dependable fault-current protection.
• Fully rated neutral in a four-pole configuration.
• Fixed installation with front terminals for straightforward electrical connection.
• Designed for UL/CSA applications within the ABB SACE Tmax XT platform.

Key Features

• ABB SACE Tmax XT series.
• XT3 frame size with S breaking-capacity level.
• 225 A rated current.
• 225–2250 A TMF thermomagnetic release.
• Four-pole configuration with fully rated neutral.
• 600Y/347 V rated voltage.
• 35 kA interruption rating at 480 V AC.
• Fixed mounting configuration with front terminals.
• UL certified design for North American electrical distribution applications.

Reliable Circuit Protection for Power Distribution

Moulded case circuit breakers such as the ABB XT3S protect electrical installations against overloads and short circuits by automatically interrupting current when abnormal conditions occur. The TMF thermomagnetic release combines thermal overload protection with magnetic short-circuit protection to provide dependable protection without requiring an external electronic trip unit.

The SACE Tmax XT family is designed for efficient integration into modern low-voltage switchboards and distribution equipment. The compact XT3 frame, fixed mounting arrangement and front terminals make the 1SDA075148R1 particularly suitable for installations requiring a robust four-pole protective device with a fully rated neutral.

Typical Applications

• Industrial low-voltage distribution boards.
• Commercial electrical distribution systems.
• Power distribution and feeder protection.
• Electrical switchboards and panel assemblies.
• Industrial machinery power circuits.
• Building services and infrastructure distribution.
• UL/CSA-oriented electrical equipment and control panels.