Commander QB320 three-pole 20 Amp bolt-on circuit breaker designed for compatible Commander electrical distribution panels.

This uncommon three-pole configuration provides thermal magnetic overcurrent protection for appropriately rated electrical circuits.

Featuring three independently housed poles, the QB320 is a useful replacement option for older electrical installations requiring this specific three-pole breaker design.

Commander-compatible breakers have been manufactured under several names, including Commander, Sylvania, CEB, Cutler-Hammer and Eaton. Corresponding approved replacements must match the required mounting configuration and electrical specifications.

Professionally removed from service, inspected and tested for functionality.

Details

• Brand: Commander

• Model: QB320

• Amperage: 20 Amps

• Voltage: 240V AC

• Poles: 3

• Mounting Type: Bolt-On

• Type: Thermal Magnetic Circuit Breaker

• Availability: Uncommon Three-Pole Configuration

• Condition: Used – Excellent Working Condition

Features

• Three-pole 20 Amp circuit protection

• Less common Commander QB320 model

• Bolt-on mounting configuration

• Three-pole design for compatible electrical distribution systems

• Professionally removed and tested

• Replacement option for matching legacy equipment

Condition

Used – Excellent Working Condition.

Professionally pulled, tested and confirmed functional. Dusted and selected from our inspected inventory.

This breaker has visible handwritten circuit identification markings on its white housing, as shown in the photographs.

Additional cosmetic wear, storage marks, discoloration or slight surface rust on metal components may be present. Excessively rusted breakers have been excluded.

Buyers should verify the specific panel and three-pole mounting requirements before purchasing.

Perfect For

Electricians, commercial electrical contractors and maintenance professionals servicing older Commander electrical panels requiring an uncommon 20 Amp three-pole bolt-on breaker.

A professionally tested Commander QB320 breaker offering a replacement option for compatible legacy electrical installations.