Why Choose the ABB 1SDA068540R1 SACE Tmax XT4H MCCB?
The ABB 1SDA068540R1 is a high-performance SACE Tmax XT4H moulded case circuit breaker (MCCB) designed for reliable short-circuit protection in low voltage electrical distribution systems. As part of ABB’s trusted Tmax XT circuit breaker range, this four-pole fixed breaker combines compact installation, high interruption performance and dependable electronic protection for demanding industrial and commercial applications.
This model is fitted with an Ekip I solid-state electronic release, providing instantaneous protection for circuits where fast fault interruption is required. Its fixed design with front bolt terminals supports straightforward installation in switchboards, distribution boards, electrical control panels and low voltage power assemblies.
With a rated current of 250 A, a 690 V AC rated operational voltage and a high breaking capacity of 70 kA at 415 V AC, the ABB 1SDA068540R1 is well suited to installations requiring compact, robust and reliable circuit protection.
Key Advantages
- High-performance ABB SACE Tmax XT4H moulded case circuit breaker.
- 250 A rated current for demanding low voltage distribution circuits.
- Four-pole fixed configuration for three-phase and neutral applications.
- Ekip I electronic trip unit for instantaneous short-circuit protection.
- 70 kA breaking capacity at 415 V AC for strong fault interruption performance.
- Compact XT4 frame design for efficient switchboard installation.
Key Features
- ABB SACE Tmax XT series.
- XT4H 250 frame moulded case circuit breaker.
- 250 A rated current.
- Four-pole fixed breaker.
- Ekip I solid-state electronic release.
- 690 V AC rated operational voltage.
- Front bolt terminal connection.
- Designed for industrial and commercial low voltage power distribution.
Instantaneous Protection for Low Voltage Distribution
Moulded case circuit breakers such as the ABB 1SDA068540R1 are used to disconnect electrical circuits during fault conditions, helping protect cables, switchgear, machinery and downstream equipment from damage caused by short circuits. The XT4H frame provides strong fault interruption performance in a compact breaker format.
The Ekip I electronic release is designed for applications requiring instantaneous short-circuit protection. Combined with ABB’s Tmax XT platform, this MCCB supports dependable circuit protection, efficient panel design and reliable operation across modern low voltage distribution systems.
Typical Applications
- Industrial low voltage switchboards.
- Commercial power distribution panels.
- Electrical control panels and feeder circuits.
- Building services electrical installations.
- Manufacturing and process control systems.
- Transformer, generator and distribution circuit protection.
