Bypass & Power Distribution Units

When selecting the correct external maintenance bypass or distibution unit for your application, it's important to ensure the device is compatible and fit-for-puropse. There are numerous considerations to consider, therefore the information and links below should be used as a guide and only for single UPS installations (not parallel systems).  If in doubt, please contact us.

3/3 Phase UPS Bypass

4kVA - 10kVA  (Interlocking = Aux contacts only)

10kVA - 20kVA  (Interlocking = Aux & Mech - 25mm)
10kVA - 20kVA (Interlocking = Aux & Mech - 35mm)
20kVA - 30kVA (Interlocking = Aux & Mech)
30kVA - 60kVA (Interlocking = Aux & Mech)
80kVA - 100kVA (Interlocking = Aux & Mech)
100kVA - 125kVA (Interlocking = Aux & Mech)
100kVA - 150kVA (Interlocking = Aux & Mech)
150kVA -200kVA (Interlocking = Aux & Mech)
 200kVA - 250kVA (Interlocking = Aux & Mech)

1/1 Phase UPS Bypass

0kVA - 2kVA (Wall mountable)

0kVA - 2kVA (Rack mountable)

3kVA (Wall mountable)

3kVA (Rack mountable)

4kVA - 6kVA (Interlocking = Aux contacts only)

7kVA - 12kVA (Interlocking = Aux contacts only)

7kVA - 12kVA (Interlocking = Aux & Mech - 25mm)

7kVA - 12kVA (Interlocking = Aux & Mech - 35mm)
15kVA - 20kVA (Interlocking = Aux & Mech)
15kVA - 30kVA (Interlocking = Aux & Mech)

3/1 Phase UPS Bypass

4kVA - 7kVA (Interlocking = Aux contacts only)
8kVA - 12kVA (Interlocking = Aux & Mech)
15kVA - 30kVA (Interlocking = Aux & Mech)