Why Choose the ABB 1SDA068358R1 XT4H 250 MCCB?
The ABB 1SDA068358R1 is a high-performance Tmax XT4H moulded case circuit breaker (MCCB) designed to provide dependable protection for low-voltage electrical distribution systems. As part of the advanced ABB SACE Tmax XT range, this fixed four-pole circuit breaker combines compact dimensions, high breaking capacity and robust ABB engineering for demanding industrial and commercial installations.
Featuring a TMA thermomagnetic trip unit, the XT4H provides reliable overload and short-circuit protection with adjustable magnetic protection for fault conditions. Its fixed construction and front terminal arrangement make it suitable for straightforward installation in switchboards, panel boards, motor control centres and OEM equipment.
With a 225 A rated current, four-pole configuration and rated operational voltage up to 690 V AC, the ABB 1SDA068358R1 is ideal for power distribution circuits requiring reliable circuit protection, safe isolation and long-term operational performance.
Key Advantages
- High-performance ABB Tmax XT4H moulded case circuit breaker.
- 225 A rated current for industrial and commercial distribution systems.
- Four-pole fixed design with front terminals.
- TMA thermomagnetic release for overload and short-circuit protection.
- Adjustable instantaneous protection from 1125 to 2250 A.
- Compact design suitable for switchboards, panels and OEM machinery.
Key Features
- ABB SACE Tmax XT circuit breaker range.
- XT4H 250 frame size.
- 225 A rated current.
- 250 A rated uninterrupted current.
- Four-pole MCCB configuration.
- Fixed mounting design.
- Front terminal connections.
- Neutral rated at 50% of phase current.
- Suitable for AC and DC low-voltage electrical protection applications.
Reliable Circuit Protection for Industrial Installations
Moulded case circuit breakers such as the ABB XT4H protect electrical installations by interrupting fault currents and preventing damage caused by overloads and short circuits. This helps protect cables, equipment and downstream electrical systems while supporting safer operation.
The ABB Tmax XT range is widely used in modern electrical distribution networks where dependable switching, compact panel design and high protection performance are required. The 1SDA068358R1 provides a practical solution for engineers designing resilient low-voltage distribution systems.
Typical Applications
- Industrial power distribution panels.
- Main and sub-distribution switchboards.
- Motor control centres.
- Machinery and OEM electrical systems.
- Commercial building services.
- Infrastructure and process control installations.
