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Rack Mount Static Transfer Switch | Model B1 MK2

Supplier: i-STS

Made in Australia; the Model B1 2 Pole 1RU Rack Mount Switch is a fully featured 1RU static transfer switch, with up to 32A of switching capacity and remote monitoring.

Price Guide: POA

The Range:

The Model STS-B1 i-STS, 19 inch, 1RU, Rack Mount Static Transfer Switches are available in 10, 15, 20, 25 and 32 Amperes ratings and employ natural cooling. All units feature two pole, high speed solid state thyristor switching.

Simplicity: The static transfer switch can be easily transferred from one supply to the other by using the 3 position "PREFERRED" source selector switch (S1, neutral, S2).

Solid State Rack Mount Static Transfer Switch | Model B1 key features

  • Break before make transfers
  • Break time < ¼ Cycle
  • Will not transfer faults
  • Small 1RU Design
  • Passively Cooled
  • Integrated Web Server
  • Many Output Configurations
  • One Touch Transfer
  • Remote Operation

Technical Data:

  • Current: 20 or 32 Amps
  • Phases: Single phase
  • Dimensions: 44mm x 483mm x 400mm (H x W x D)
  • Weight: 5.7Kg (typical)
  • Fault Current Setting: 300% Amperes peak (transfer lock-out)

Available options 

  • 20 or 32 Amp current capacity
  • 2-pole single-phase
  • 3-phase with expansion (New Feature of Model B1 Mark 2)
  • Field replaceable maintenance bypass expansion (New Feature of Model B1 Mark 2)

We are so confident of the reliability of our equipment, we offer the industry’s longest warranty period, 36 months repair or replacement policy.

For more information on the Model B1 MK2 Rack Mount Static Transfer Switch please call or use the IndustrySearch email for a direct reply.


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