Why Choose the ABB 1SDA068344R1 XT4H 250 TMA 250-2500 3P Fixed MCCB?
The ABB 1SDA068344R1 is a high-performance ABB SACE Tmax XT4H moulded case circuit breaker (MCCB) designed for dependable protection of low voltage electrical distribution systems. Featuring a 250 A thermomagnetic trip unit, fixed three-pole configuration and high short-circuit breaking capacity, this MCCB is built for demanding industrial and commercial applications where reliable circuit protection is essential.
As part of the advanced ABB Tmax XT series, this breaker combines compact dimensions with strong electrical performance and excellent installation flexibility. Its adjustable thermomagnetic release provides protection against overloads and short circuits, while the front terminal arrangement enables straightforward integration into switchboards, control panels and distribution assemblies.
With a 250 A frame size, 250 A rated current and 70 kA breaking capacity at 415 V AC, the ABB XT4H 250 TMA 250-2500 is ideal for protecting feeders, machinery circuits and industrial electrical equipment where high prospective fault levels may be present.
Key Advantages
- Compact ABB SACE Tmax XT4H moulded case circuit breaker.
- 250 A thermomagnetic trip unit with adjustable protection settings.
- High 70 kA breaking capacity at 415 V AC.
- Three-pole fixed version with front terminals.
- Reliable overload and short circuit protection.
- Suitable for industrial switchboards, control panels and power distribution systems.
Key Features
- ABB SACE Tmax XT4H series.
- Product ID: 1SDA068344R1.
- Frame size: XT4 250.
- Rated current: 250 A.
- Rated uninterrupted current: 250 A.
- Thermomagnetic TMA trip unit.
- Adjustable instantaneous magnetic setting: 1250 to 2500 A.
- Fixed mounting with front terminals.
Reliable Protection for Industrial Power Distribution
Moulded case circuit breakers such as the ABB XT4H protect electrical circuits by interrupting fault currents and isolating abnormal operating conditions. The thermomagnetic release combines thermal overload protection with magnetic short circuit protection, helping reduce equipment damage and improve system safety.
The ABB 1SDA068344R1 is designed for panel builders, electrical contractors and industrial engineers who require compact, robust and high-breaking-capacity protection for low voltage power distribution networks.
Typical Applications
- Industrial power distribution panels.
- Motor control centres.
- Switchboards and control cabinets.
- Commercial electrical installations.
- OEM machinery and process equipment.
- Infrastructure and manufacturing facilities.
