EATON BR4242B400R Main Circuit Breaker Loadcenter, 400A, 42 Circuits, Single-Phase

Eaton BR4242B400R main circuit breaker load center is designed to distribute utility-supplied electricity throughout the building for feeding all branch circuits. The circuit breaker located in the load center protects each branch circuit.

Features:

• This load center can protect against ground and arc faults by employing specialty or electronic circuit breakers.
• It can be mounted in or against a wall.
• The NEMA type 3R enclosure protects against rain, sleet & damage from external ice formation.

Compatible Accessories:

• Eaton BR Circuit Breakers: These circuit breakers feature diagnostic trip codes for complex occurrences. Their short-body design maximises space inside the load center by adding wire-way and gutter space for easy installation.

Standards and Approvals:

• UL
• CSA
• NEC

Frequently Asked Questions:

Q. How to install Eaton BR4242B400R load center?

A.

• Remove the knockouts needed to install cable clamps or conduits.
• To fasten the enclosure to the wall, align and level it with removable nails or screws inserted through keyholes at the top and bottom.
• Place the enclosure between the studs.
• Both sides of the enclosure are provided with 3/8-inch (17.1 mm) and 1/2-inch (12.7 mm) drywall scribe markings to aid when flush mounting.
• Oval knockouts are provided on each side of the enclosure for mounting. Remove the knockout and insert a nail or screw through the oval opening.
• Connect the main and neutral wires. Torque the wire pressure screws to the value indicated on the main label on the inside of the door.
• Install BR branch circuit breakers by sliding the breaker's foot under the back pan rail and pushing the breaker onto the bus stab.
• Connect the branch circuit wire to the circuit breaker's load end. Tighten the wire pressure screw to the torque value listed on the load centre enclosure.
• Remove only the twist-outs that correspond to the corresponding breaker positions. Twist-outs can be removed by striking with a screwdriver and twisting back & forth with pliers.
• The inner cover can be adjusted to fit snugly against breakers for flush mounting. Turn the two adjusting screws counter-clockwise to move the cover inward. Alternately, adjust each screw until the desired fit is achieved.

Q. Is a load center a panel?

A. A load center is also known as an electrical panel.

Q. Does a load center need a main breaker?

A. A load center can either be equipped with a main breaker or with a main lug only (MLO) design.