Why Choose the ABB 1SDA100396R1 Tmax XT5N Circuit Breaker?
The ABB 1SDA100396R1 is a premium 400 A moulded case circuit breaker (MCCB) engineered to deliver dependable protection for industrial and commercial low-voltage power distribution systems. As part of the proven ABB SACE Tmax XT5 series, this four-pole breaker combines high breaking capacity, electronic protection and robust construction for demanding electrical installations.
Equipped with the advanced Ekip Dip LS/I electronic trip unit, the breaker provides adjustable long-time overload protection together with selective and instantaneous short-circuit protection. These functions allow engineers to optimise protection settings for improved discrimination and system reliability.
With a rated uninterrupted current of 400 A, a maximum operating voltage of 690 V AC and a 36 kA breaking capacity, the ABB 1SDA100396R1 is ideal for switchboards, distribution panels, motor control centres and OEM electrical equipment requiring dependable circuit protection.
Key Advantages
- High-performance 400 A moulded case circuit breaker.
- Four-pole design for complete circuit isolation.
- Ekip Dip LS/I electronic trip unit with adjustable protection.
- 36 kA breaking capacity for dependable fault interruption.
- Compact fixed design simplifies installation.
- Front terminal connections provide straightforward wiring access.
Key Features
- ABB SACE Tmax XT5N series.
- 400 A rated uninterrupted current.
- Four-pole fixed MCCB.
- Ekip Dip LS/I electronic release.
- Rated operating voltage up to 690 V AC.
- Rated insulation voltage of 1000 V.
- Rated impulse withstand voltage of 8 kV.
- Front terminal connection arrangement.
Reliable Protection for Industrial Power Distribution
Moulded case circuit breakers such as the ABB XT5N 400 continuously monitor electrical circuits and disconnect the supply whenever overload or short-circuit conditions occur. This helps minimise equipment damage, reduce downtime and improve overall electrical system safety.
The integrated Ekip Dip LS/I trip unit allows precise protection coordination, making the breaker suitable for modern industrial installations where reliable operation and selective fault isolation are essential.
Typical Applications
- Industrial switchboards.
- Commercial distribution panels.
- Motor control centres.
- Manufacturing facilities.
- OEM machinery.
- Low-voltage power distribution systems.