Emerson UPS Systems installation manual Busbar Detail B

Page 13

Installation Drawings

Figure 5 Liebert NXL Maintenance Bypass Cabinet—250 and 300kVA main component location

INPUT		OUTPUT
PHASE C		PHASE C
INPUT	OUTPUT
PHASE A	PHASE A

BREAKER REMOVED

FOR CLARITY

	INPUT	OUTPUT
GROUND	PHASE B	PHASE B
GROUND	NEUTRAL
	NEUTRAL

A

BUSBAR DETAIL B

OPTIONAL

SOLENOID

INTERLOCK

MAINTENANCE ISOLATION BREAKER (MIB)

B

MAINTENANCE BYPASS BREAKER (MBB)

CONTROL WIRING TERMINAL BLOCK (TB1)

A

FRONT

SECTION A-A

9

Image 13

Contents Liebert NXL Maintenance Bypass Cabinet Product Warranty Registration Table of Contents Figures Important Safety Instructions Introduction Positioning Power Cables Power Cable Connection Procedure Single-Module Mechanical Installation Installation Drawings Two-Breaker Maintenance Bypass Cabinet, two-input, attached Busbar Detail B Front Section A-A Bottom View Footprint Bottom View Footprint TOP View BUS BAR Detail a BUS Termination Detail Cable routing Front Run From Conductor Bypass Installation Drawings P1 D T Installation Drawings Interlock Control wiring connections withoutFrom Purpose Control wiring connections with interlockSection A-A Cabinet-to-Cabinet Liebert NXL Maintenance Bypass Cabinet specifications SpecificationsRecommended conduit and cable sizes-Maintenance Bypass Input Recommended conduit and cable sizes-Module Output Recommended conduit and cable sizes-Module Bypass InputRecommended conduit and cable sizes-Load Output Recommended conduit and cable sizes-Load Bank Output#4/0 AWG Recommended lug sizesSpecifications Page Iti Ne tTi n That