Disconnect Switch Sizes Chart

A rotary disconnect switch may be installed nearly anywhere in a control panel mounting is not limited to the upper right hand corner of the panel.

Disconnect switch sizes chart.

Mount the switch where it conveniently fits in your panel and simply install the handle on the door in line with the switch. 15 25 hp 15 60 hp 40 hp 1 3ph std fuse time delay 250 vdc 6 300 kcmil cu al. An appliance requiring a 30 amp double circuit breaker will need a disconnect rated to its horsepower and will accept two 30 amp fuses. Another aesthetic consideration is the handle associated with your disconnect switch.

Disconnect or circuit breaker size 800 amps fuse size 800 amps wire size 2 500 mcm per phase. Eaton heavy duty single throw fused safety switch enhanced visible blade 200 a nema 12 3r fusible with neutral two pole three wire 240 v max hp. Check the switch selected against the maximum horsepower rating required for our application. Fusible standard disconnect switch 30a 800a.

Disconnects refer to a disconnector a disconnect switch or an isolator switch is used to ensure that an electrical circuit is completely de energized for service or maintenance. Here is a convenient chart of recommended wire fuse and switch sizes for 3 phase 60 hz capacitors 240 480 and 600 volts. Select the basic switch size you need 30 60 100 or 200 ampere. This way the switch has to change to the off position meaning the power isn t engaged before the lock will release and the door can open.

Abb powerline includes seven different amperage sizes from 30a to 800a. Disconnect rated to provide means for load isolation full voltage rated 600vac or 80vdc ul 98 disconnect rated for protection of branch circuits with. The disconnect switch must also have the correct fuse size. Select a disconnect switch with the same or greater horsepower rating as the appliance.

Choose either fuse or no fuse kit from chart below. Browse disconnect switch handles. All abb fusible switches are designed to meet customer requirements in terms of high interrupting capacity and long electrical life while occupying little more panel space than the appropriate fuses. Eaton s safety switches continue to be a preferred choice among electrical contractors and end users.

L or r suffix on switch catalog numbers denotes left or right handed mechanism drive.