Bypass switch wiring diagram

For MBS without Separate Bypass. Inputs, the UPS Rectifier Input terminal is tied to the UPS Bypass Input terminal. For further clarification refer to the relevant wiring diagram in Appendix A. The MBS consists of three switches and failure to understand the correct sequence may drop the critical . UPS-MOUNTED BYPASS SWITCH INSTALLATION.

Fitted with Aux to indicate in bypass (remotely).

Bottom Gland Plate (not plastic version).

UPS installation in order to accommodate. Note: To attain the maximum rating shown in the chart , when protected by an upstream breaker, the upstream device must have an. There are many variations in bypass switch wiring and in stompbox power connections.

Notice that when bypasse there is no electrical connection between the AC wiring and the inverter. This allows the inverter to be. These diagrams are available on the OutBack website in.

Above 600A rating certain bypass arrangements consist of two separate switches suitably interlocked with figure locks. CaM oPeRaTeD ChaNGeoVeR aND byPaSS SwiTCheS. Santon rotary cam switches are manufactured by . With an On-line UPS, if an inverter fails, it will, in all probability, occur whilst mains power is present. A static bypass is in almost all cases part of the UPS internal circuitry and may be invoked manually using an external switch.

In larger UPS, it will probably synchronise the UPS output with the mains cycle before switching , . Please follow below chart for rack mount installation. Alpha 255A External Maintenance Bypass Switch . Disconnect switch with pass- through. Torque the terminal blocks to N-m (2in-lbs). Figure — Typical MBS wiring diagrams.

UGTS wiring diagram with OR without UATS. When servicing the UPS: If UATS is used: Switch SWto Bypass , turn off CB and. If only UGTS is used (UPS connected to Line Out): The main.

CB protection coming either from both Generator and Line must . Care needs to be taken to ensure that the input supply neutral reference is not disconnected whilst the UPS is in service. Power terminals found in UPS units. Use of the LCD control panel and Maintenance Bypass Switch (MBS).

The UPS should be connected in accordance with the wiring diagram. Five-wire installation of the UPS system 1– 1kVA without MBS. Solder joints are shown as dots at the end . Access to the power terminals, auxiliary terminals blocks and power switches is from the front.

CONNECTIONS TO MODELS WITH SEPARATE BYPASS. INPUT LINE THERMAL MAGNETIC SWITCHES.