External Maintenance Bypass Switches

SEC's range of External Maintenance Bypass Switches (EMBS) allow for the removal, maintenance, repairs and servicing of your UPS without having to shutdown or interupt your critical loads.

We can provide a wide range of EMBS's depending on your requirements. These include:

Single phase input/output:

  • Single supply
  • Single supply N+1
  • Dual supply
  • Dual supply N+1

Three phase input/output:

  • 3-1 single supply
  • 3-1 single supply N+1
  • 3-1 dual supply
  • 3-1 dual supply N+1

Three phase input/output 15kVA - 400kVA:

  • 3-3 single supply
  • 3-3 single supply N+1
  • 3-3 dual supply
  • 3-3 dual supply N+1

Our switches utilise quality components, from the enclosures to ABB or Schneider Isolators or MCCB's, depending on individual requirements. Each EMBS comes fitted with auxillary interlocks to prevent damage to your UPS through incorrect switching.

Please contact us to discuss your individual requirements.