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Video: How does the PKSB3BF service barrier install into the QO, 3 phase, series S0__, fixed main lug load centers?
Issue:
Product Design Features

Product Line:
QO 3 phase load centers

Resolution:
The PKSB3BF service barrier is used ONLY with the QO, 3 phase, series S0_ , fixed main lug load centers when a backfed branch breaker is used as a main breaker.
The kit will contain 1 service barrier, 2 mounting screws, 1 hold down bracket, 1 insulating washer, and 1 service disconnect label.
The attached video is ONLY to supplement the INSTRUCTIONS that come with the kit. PLEASE make sure to read the instructions and all the below Safety Information that is located in the instructions BEFORE working on any electrical equipment.
A PDF copy of the complete instructions is attached below the video.

Danger label

Make sure to turn OFF ALL Power supplying the equipment and verify the power is OFF using a properly rated voltage sensing device, BEFORE working on or with electrical equipment.
1) Once all Safety steps are followed, begin the kit installation by following the instructions.
2) Install the appropriate QO, 3-pole, branch breaker to back-feed (DO NOT exceed the Maximum Ampere rating shown on the load center)
3) Insert the service barrier tabs into the back-fed main breaker slots. SEE FIGURE 1 of the instructions.
4) Insert the mounting screw through the service barrier and into the main base. Torque to 10-20 lb-in.(1.1-2.3 N-m) SEE FIGURE 1 of the instructions.
5) Place the hold down bracket onto the back-fed main breaker and install and torque the mounting screw with the insulated washer to 10-20 lb-in.(1.1-2.3 N-m). SEE FIGURE 1.
6) Apply the 'Service Disconnect' label(included with the kit) to the load center near the Service Disconnect handle.
NOTE: The service barriers do not allow the load center to be serviced while energized. ALWAYS turn OFF all power to the load center before working on the load center.

NOTE: PLEASE MAKE SURE TO FOLLOW ALL THE INSTRUCTIONS THAT COME WITH THE KIT AND NEVER WORK ON ENERGIZED EQUIPMENT.

Schneider Electric USA

Attachment(s)
PKSB3BF Service Barrier.pdf [224.29 KB]
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