Liebert STS2, PDUTM manual Customer Connections, Output Power Wiring, Output Breaker

Output Power Wiring

5.0OUTPUT POWER WIRING

The STS2/PDU standard model is provided with a circuit breaker for connecting to the load or a remote distribution cabinet. Other distribution configurations are available.

The three main types of distributions available for the STS2/PDU are:

•Output Breaker

•Inline Panelboards—two panelboards (84 poles) on 250A units and four panelboards (168 poles) on 400-800A units. Square D® and General Electric panelboards are available to accommodate bolt-in or plug-in breakers.

•Square D I-Line®Panelboard—designed to accommodate up to 10 plug-in breakers from 100A to 250A. Additionally, 300A to 400A breakers are available on 800A units.

For other optional distribution methods, contact your local Liebert representative or call 1-800-LIEBERT.

The STS2/PDU distribution may be mounted on either the right or left side at the customer’s option. Location of output conduit connections is affected by the location of the output cabinet. See Figures 8, 9, 12, 13, 16 and 17 for wiring a right-side distribution configuration and

Figures 10, 11, 14, 15, 18 and 19 for wiring a left-side distribution configuration. See Figures 23 through 44 for wiring.

See Table 7 for wiring the various output options.

5.1Customer Connections

The customer is responsible for connections from the STS2/PDU distribution to the connected load, either directly or through remote distribution cabinets.

Table 7	Distribution configurations
		For Details See
Distribution Type		Electrical Output
		Field Connections
Output Breaker
	250A	Figure 23
	400-600A	Figure 33
	800A	Figure 35
Inline Panelboards
	250A	Figure 30
	400-800A	Figure 31
I-Line (Square D)		Figure 32

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