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0 maintenance bypass cabinet, 1 bypass switch, 2 normal (ups) mode – Emerson Liebert NX 10-30kVA User Manual

Page 33: Aintenance, Ypass, Abinet, Bypass switch, Normal (ups) mode

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Maintenance Bypass Cabinet

25

4.0

M

AINTENANCE

B

YPASS

C

ABINET

The Maintenance Bypass Cabinet is designed to operate in UPS mode, bypass mode and maintenance

mode. The mode is selected using the Bypass Switch.

Figure 17 Single UPS with external Maintenance Bypass Cabinet—typical configuration

4.1

Bypass Switch

The Bypass Switch allows easy and rapid transfer of connected loads between the UPS and Bypass

source.

4.2

Normal (UPS) Mode

While the Maintenance Bypass Cabinet rotary switch is in the NORMAL position, the UPS is supply-

ing the connected load with continuous, high-quality AC power. In this mode of operation, the load is

protected by the UPS.