Why Choose the ABB 1SDA068539R1 SACE Tmax XT4H MCCB?
The ABB 1SDA068539R1 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 industrial and commercial applications.
This model is fitted with an Ekip Dip I solid-state electronic release, providing instantaneous short-circuit protection for applications where rapid fault interruption is required. Its fixed design with front terminals allows straightforward installation in switchboards, distribution panels, electrical control cabinets and low voltage power assemblies.
With a rated current of 100 A, a 690 V AC rated operational voltage and a high breaking capacity of 70 kA at 415 V AC, the ABB 1SDA068539R1 is well suited to demanding installations requiring compact, robust and reliable circuit protection.
Key Advantages
- High-performance ABB SACE Tmax XT4H moulded case circuit breaker.
- 100 A rated current for protected low voltage distribution circuits.
- Four-pole fixed configuration for three-phase and neutral applications.
- Ekip Dip 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 160 frame moulded case circuit breaker.
- 100 A rated current.
- Four-pole fixed breaker.
- Ekip Dip I solid-state electronic release.
- 690 V AC rated operational voltage.
- Front 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 1SDA068539R1 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 Dip I electronic release is designed for applications requiring instantaneous 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.
