Electrical enclosure Hager US31A2, 250×56×450 mm, metal distribution box

Hager US31A2 is a compact metal electrical enclosure designed to house distribution equipment and protective devices in residential and light commercial installations. With external dimensions of 250×56×450 mm, the distribution box provides a narrow, vertical footprint suitable for limited spaces while offering a robust, metal construction that protects internal components and wiring.

Advantages

The metal body delivers mechanical strength and improved electromagnetic shielding compared to plastic alternatives. Its compact size allows installation in confined shafts, utility cupboards or behind access panels without occupying significant wall area. The enclosure accommodates modular protection devices and terminal blocks, enabling neat cable routing and straightforward access for maintenance.

Suitable for

Key specifications

How to use

Install the enclosure in accordance with local electrical codes and the instructions of the devices to be mounted. Secure the metal box to a solid backing or wall using appropriate fasteners and ensure correct orientation for wiring entry. Fit DIN-rail mounted devices, such as miniature circuit breakers and terminals, inside the enclosure and route incoming and outgoing conductors through designated knockouts or cable entries. Ensure protective earthing is connected to the enclosure body where required and verify clearances for safe operation.

Recommendations

Use suitable corrosion-resistant fasteners and maintain separation between power and communication conductors. Verify ventilation and heat dissipation needs of installed devices and follow local regulations for IP rating and earthing practices.