Why Choose the ABB 1SDA068312R1 Tmax XT4S Moulded Case Circuit Breaker?
The ABB 1SDA068312R1 is a robust Tmax XT4S moulded case circuit breaker (MCCB) designed to protect low voltage electrical distribution systems against overloads and short circuits. As part of the proven ABB SACE Tmax XT series, it delivers dependable circuit protection for industrial, commercial and infrastructure applications.
This fixed three-pole circuit breaker features a TMA thermomagnetic trip unit, providing reliable thermal overload protection and adjustable instantaneous magnetic short circuit protection. Its front terminal design supports straightforward installation in switchboards, distribution boards and industrial control panels.
With a 250 A rated current, 690 V AC operating voltage and 50 kA breaking capacity at 415 V AC, the ABB 1SDA068312R1 is ideal for demanding power distribution applications requiring compact design, reliable performance and high fault protection capability.
Key Advantages
- High quality ABB Tmax XT4S moulded case circuit breaker.
- 250 A rated current for industrial power distribution.
- Three-pole fixed MCCB with front terminals.
- TMA thermomagnetic release for overload and short circuit protection.
- Adjustable magnetic trip range from 1250 to 2500 A.
- 50 kA breaking capacity at 415 V AC.
- Compact XT4 frame for efficient switchboard design.
- Manufactured in accordance with IEC 60947-2.
Key Features
- ABB SACE Tmax XT4S series.
- Product code: 1SDA068312R1.
- Rated current: 250 A.
- 250 A frame size.
- Three-pole fixed configuration.
- TMA thermomagnetic trip unit.
- Magnetic trip setting: 1250 to 2500 A.
- Operating voltage: up to 690 V AC.
- Front terminal connections.
- IP20 protection rating.
Reliable Protection for Industrial Power Distribution
Moulded case circuit breakers such as the ABB Tmax XT4S are designed to disconnect electrical circuits during overload or short circuit fault conditions. This helps protect cables, equipment and downstream circuits while supporting safe and reliable operation across low voltage installations.
The ABB 1SDA068312R1 combines compact construction, high short circuit performance and adjustable thermomagnetic protection, making it suitable for modern switchboards, machinery panels and demanding distribution applications.
Typical Applications
- Main and sub-distribution boards.
- Industrial switchboards.
- Commercial electrical panels.
- Manufacturing facilities.
- Feeder and machinery protection.
- OEM control panels.
- Infrastructure and utilities.
- Low voltage power distribution systems.
