3WT air circuit breakers

The 3WT circuit breakers are climate-proof in accordance with IEC 60068-2-30, IEC 60068-2-6, Fc. They are intended for use in enclosed areas where no severe op-erating conditions (e.g. dust, corrosive vapors, damaging gases) are present. When installed in dusty or damp areas, suitable enclosures must be provided.

Flexibility

• Electronic trip units (ETU) with outstanding features.

• Only two frame sizes cover a broad range of applications from 400 A to 4000 A, with a breaking capacity up to 66 kA at 500 V, 3- or 4-pole version, fixed-mounted, withdrawable version.

• All components can be combined in a modular way.

Ease of use

• User friendliness in planning, configuration, installation and operation.

• Wide range of accessories for both frame sizes can be easily retrofitted.

• Displays for all electronic trip units (ETU).

• Safety and reliability

• International and standardized processes ensure highest product quality.

• Conforms to international standards and approvals