MB423

The MB423 is an unassembled lighting panelboard. Breakers are not included unless it is a WB kit, which includes a breaker, mounting kit, and load-side lugs. Rating plugs must be ordered separately.

Bus ampacities are available in heat-rated aluminum, heat-rated copper (B7), and silver-plated density-rated copper (B5).

Available interior types include AQ (65 kA @ 240 V), AE (18 kA @ 480 V), and AS (65 kA @ 480 V).

Branch breakers compatible with this panelboard include bolt-on THQB and TEYD/H/L types.

The panelboard operates at voltages of 240 V and 277/480Y V AC.

Main breaker kits, such as MBC12, are ordered separately and do not include the breaker itself.

The Proline series offers configurations for 12, 24, 42, and 84 circuits.

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