Installation Instructions

Schneider Electric USA, Inc.

1415 S. Roselle Road

Palatine, IL 60067 USA

1-888-778-2733

www.schneider-electric.us

QO™ and Homeline™ Load Centers S1B33894

Instruction Bulletin Rev. 02, 05/2014

Electrical equipment should be installed, operated, serviced, and

maintained only by qualified personnel. No responsibility is assumed

by Schneider Electric for any consequences arising out of the use of

this material.

Square D™ and Schneider Electric™ are trademarks or registered

trademarks of Schneider Electric. Other trademarks used herein are

the property of their respective owners.

ENGLISH

Removal

1. Turn OFF (O) the circuit breaker. Remove the wires.

2. To disconnect the plug-on jaw from the connector and mounting rail, lift the plug-on end of the circuit breaker until the circuit

breaker jaw disconnects from the bus bar. Continue lifting until the terminal end disengages from the mounting rail. See Figure

4, 5 or 6 depending on circuit breaker type.

Installing the Cover / Trim

1. Remove the cover twistouts. Remove the appropriate twistouts to match the number of circuit breakers being installed. See

Figure 8.

2. Attach the Spanish translation label, supplied with the load center, to the inside of the door or cover. See Figure 9.

3. Identify the circuit breakers on the directory label.

4. For service equipment, apply the “Service Disconnect” label(s) near the disconnect handle(s). If the main circuit breaker is

installed and the device is used as a branch panel, apply the “Main” label to the trim near the main circuit breaker handle. See

Figure 9.

5. Install the trim/cover using the screws provided and torque to 20 lb-in (2.3 N•m).

6. For QO outdoor load centers that are 150–225 A single-phase, main lug devices rated for 22,000 RMS symmetrical amperes

short circuit systems, use four screws by removing the interior trim support bracket knockout.

7. Fill any unused circuit breaker openings with the filler plates.

Energizing the Load Center

1. Before energizing the load center, turn off the main and all branch circuit breakers.

2. After power is turned on to the load center, first turn on the main circuit breaker and then turn on the branch circuit breakers.

3. Rotate the door latch counterclockwise to allow engagement through the door slot. (Outdoor only.)

4. Close the door until secured by the latch.

Spanish

label

Main or service

disconnect label (if

required)

Cover