How to check arc chutes on a WL breaker?
1. Loosen screw by approximately 15mm. 2. Push the arc chute cover back. 3. Take out the arc chute. 4. Conduct visual inspection of arc chute. 5. Replace...
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How to check for contact erosion on a WL breaker?
How to check for contact erosion on a WL breaker? 1. Charge storage spring by hand. 2. Switch breaker on. 3. Remove arc chute. 4. Check for contact erosion. ...
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How to conduct an electrical function test for a WL breaker?
How to conduct an electrical function test for a WL breaker? 1. Electrical closing with closing coil Y1. 2. Electrical switch-on with shunt release F1. 3....
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How to connect a handheld test device for a WL breaker?
How to connect a handheld test device for a WL breaker? 1. Ensure the breaker is in the disconnected position. 2. Make note of the setting values of the trip unit. ...
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How to discharge a storage spring for a WL breaker?
1. Switch on – spring discharged & contacts closed. 2. Switch off – spring discharged & contacts open. This video is meant only to enhance, not replace,...
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How to lubricate finger clusters for a WL breaker?
1. Wipe the mating surface of the finger clusters clean with a clean cloth. 2. Apply a small amount of Klüber Isoflex Topas NB52 to the sliding surfaces of the...
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Busway connected Panels
Busway - Connected Panels Busway connected panels are no longer offered. Please select Joint Mounted tap box in the Busway configurator and order the Panels as...
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Bus Plug Cable Knockouts
Bus Plug - Cable Knockouts 400A and below (small frame) bus plugs have a predetermined knockout position. Please refer to the "Circuit Breaker Bus Plugs Dimensions...
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NEMA 3R Sentron Busway
NEMA 3R Sentron busway must be limited to 50 ft installation to limit outdoor exposure. By doing this you are limiting the amount of busway, specifically number of...
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Ground Fault Application Guide for Breakers
Different options for ground fault on WL breakers. Ground Fault Application Guide
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