What is an External UPS Bypass Switch?

24. June 2020

How does an external bypass switch work?

An External Bypass Switch, abbreviated EBS, can be connected to a UPS system in addition to a UPS system to switch from UPS power to mains power and vice versa. An EBS is particularly useful as an external bypass circuit for service and maintenance work for UPS systems and systems. In this case, a bypass switch guarantees that end devices will continue to be supplied with power during the UPS repair. Otherwise, the entire load would have to be shut down to enable service and maintenance work on the UPS system. The UPS bypass switch from EPS can be installed directly in the 19″ rack or mounted on the wall or wall. can be mounted in a separate closet . In the following video we explain how the EBS3000RM Lock is installed in the 19 inch server rack.

Advantages of the EBS3000RM Lock at a glance:

  • Uninterruptible switching of the load from UPS power to mains power and vice versa
  • Safe maintenance: EBS physically takes the UPS system off the grid
  • External bypass switch enables maintenance and replacement of the UPS system during ongoing service operation

How is a 19″ UPS bypass switch installed?

The EBS3000RM Lock from EPS is supplied with 19″ mounting brackets. The brackets are screwed to the UPS bypass with screws and the switch is mounted directly above the UPS system in the server rack by means of cage nuts. For the wiring of the UPS with the EBS, 2 cables are required (both included).

Available variants of the EBS:

  • EBS External Bypass Switch Distributor Installation 63A, 125A, 315A
  • EBS for 19″ installation
  • EBS6000WFF-S 32A
  • EBS3000RM Lock 16A
  • EBS3000WFC 16A
  • EBS3000WFF 16A
  • EBS3000WCC 16A
  • STS 300 100A-3000A

From

Elisabeth
Mader

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