1SDA075399R1 ABB XT4H 250 Ekip LS/I 250A 3-Pole MCCB

Why Choose the ABB XT4H 250 Ekip LS/I 1SDA075399R1 Circuit Breaker?

The ABB XT4H 250 Ekip LS/I 1SDA075399R1 is a high-performance 3-pole moulded case circuit breaker (MCCB) designed for reliable protection and switching in demanding industrial and commercial low-voltage electrical distribution systems. As part of the advanced ABB SACE Tmax XT range, this XT4 circuit breaker combines compact construction with electronic protection and a high short-circuit interruption capability.

This circuit breaker incorporates an Ekip DIP LS/I electronic trip unit, providing long-time overload protection, short-time short-circuit protection and instantaneous short-circuit protection. With a rated current of 250 A, the electronic trip system provides flexible and dependable protection for feeders, distribution circuits and connected electrical equipment.

With a rated voltage of 600 V, a 3-pole configuration and an interruption rating of 65 kA at 480 V AC, the XT4H 250 is suitable for demanding switchboards, distribution panels, machinery and industrial power systems. Its fixed construction with front terminals supports straightforward integration into electrical assemblies designed around UL requirements.

Key Advantages

• High-performance ABB Tmax XT moulded case circuit breaker for industrial power distribution.
• 250 A rated current suitable for high-capacity feeder and distribution protection.
• Ekip DIP LS/I electronic trip unit for advanced circuit protection.
• Long-time, short-time and instantaneous protection functions.
• 3-pole configuration suitable for three-phase electrical systems.
• High 65 kA interruption rating at 480 V AC.
• Fixed construction with front terminals for convenient switchboard integration.
• UL-certified design for compliant low-voltage distribution applications.

Key Features

• ABB SACE Tmax XT series.
• XT4 frame size.
• H breaking-capacity class.
• 250 A rated current.
• 600 V rated voltage.
• 3 poles.
• Ekip DIP LS/I electronic trip unit.
• Long-time overload protection.
• Short-time and instantaneous short-circuit protection.
• 65 kA interruption rating at 480 V AC.
• Fixed construction with front terminals.
• Compact design for low-voltage switchboards and distribution systems.

Advanced Electronic Protection for Low-Voltage Distribution

Electronic moulded case circuit breakers such as the ABB XT4H use an electronic trip unit to monitor current and respond to overload and short-circuit conditions. The Ekip DIP LS/I trip unit provides long-time, short-time and instantaneous protection functions, helping coordinate protection across industrial electrical distribution systems.

The ABB SACE Tmax XT range is designed for compact switchboards and industrial distribution systems where dependable protection, high breaking capacity and installation flexibility are essential. The XT4H 250 combines a 250 A rating with a 65 kA interruption rating at 480 V AC, making it particularly suitable for installations with demanding prospective fault-current levels.

Typical Applications

• Industrial low-voltage distribution boards.
• Main and sub-distribution switchboards.
• Three-phase feeder circuit protection.
• Industrial machinery and production equipment supplies.
• Commercial and industrial building distribution.
• Motor and equipment feeder protection.
• OEM electrical control and distribution systems.