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Learn more about this product’s features and capabilities.

Why SENTRON 3WT Smart ACB?

As a key protective device in power distribution systems, the 3WT air circuit breaker has long been trusted and favored by users for its excellent quality and ultra-high reliability. Now, this highly anticipated product has ushered in a brand-new intelligent upgrade.

The 3WT Smart air circuit breaker inherits a classic design while integrating a series of cutting-edge digital technologies.

Equipped with a new electronic platform

The 3WT intelligent air circuit breaker features a new electronic platform to fully address digital power distribution needs. It features a unique dual-chip design to further improve operational safety.

Integrates stronger communication capabilities

Single-module dual-communication supports two protocols simultaneously to enable redundant communication for complex systems.

Supports higher operating voltages

With a rated voltage up to 1140V, it's well-suited for new energy applications like photovoltaic and wind power, providing a smart and reliable power distribution solution.

Featured capabilities

Robust performance

Performance details include two frame sizes, rated current: 400–4000A, breaking capacity up to 85kA and bRated voltage up to 1140V. Apply these circuit breakers across industries including industrial, infrastructure, construction, new energy and more.

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Flexible configuration

Comprehensive protection functions include overload, short-time short-circuit, instantaneous short-circuit, andearth-fault protection. All protections are adjustable and can be switched on and off.

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Electronic trip unit equipped with LCD

Enjoy real-time display of data and operating status for efficient and convenient operation and maintenance.

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Additional resources

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