Why Choose the ABB 1SDA068111R1 XT4N 250 TMA 250 MCCB?
The ABB 1SDA068111R1 is a robust ABB SACE Tmax XT4N moulded case circuit breaker (MCCB) designed to provide reliable protection for low voltage electrical distribution systems. Built for industrial, commercial and OEM applications, this fixed four-pole breaker combines dependable overload and short circuit protection with the compact performance of the ABB Tmax XT range.
This MCCB is fitted with a 250 A thermal magnetic TMA trip unit, providing effective protection against overloads and high fault currents. Its fully rated neutral and four-pole configuration make it suitable for three-phase systems where neutral protection and switching are required. The fixed design with front terminals supports straightforward installation within switchboards, distribution panels and control cabinets.
As part of the ABB XT4N 250 series, the 1SDA068111R1 is engineered for demanding electrical environments requiring compact dimensions, reliable switching and consistent circuit protection. With a rated operational voltage up to 690 V AC and instantaneous trip setting from 1250 to 2500 A, it is well suited to modern power distribution systems.
Key Advantages
- 250 A moulded case circuit breaker for industrial power distribution.
- Four-pole fixed design with fully rated neutral.
- Thermal magnetic TMA release for overload and short circuit protection.
- Compact ABB SACE Tmax XT4N frame for panel space efficiency.
- Front terminal connections for simple switchboard installation.
- Suitable for low voltage distribution, control panels and machinery applications.
Key Features
- ABB SACE Tmax XT4N series.
- Product code: 1SDA068111R1.
- 250 A rated current.
- 4-pole fixed MCCB.
- Fully rated neutral.
- Thermal magnetic TMA R 250 trip unit.
- Instantaneous trip setting: 1250 to 2500 A.
- Front terminal connections.
Reliable Circuit Protection for Low Voltage Systems
Moulded case circuit breakers such as the ABB XT4N are used to protect electrical circuits against overloads and short circuits. The thermal element responds to sustained overload conditions, while the magnetic element provides rapid tripping during short circuit events, helping reduce equipment damage and improve installation safety.
The ABB 1SDA068111R1 is well suited for switchboard builders, electrical contractors and industrial engineers requiring a compact, high-quality breaker for three-phase power distribution. Its four-pole arrangement and fully rated neutral make it suitable for systems where neutral isolation and protection are important.
Typical Applications
- Industrial switchboards and distribution boards.
- Commercial building power distribution.
- Electrical control panels and machine cabinets.
- Feeder circuit protection.
- Motor control centres and automation systems.
- OEM machinery and low voltage installations.
