Specifications

COMPLETE REVISION
PIP ELSSG01
October 2004 Design and Fabrication of Low-Voltage Metal-Enclosed AC Power Circuit Breaker Switchgear
Process Industry Practices Page 5 of 14
4.1.18 Removable vertical barriers shall be provided in the rear cable compartments
to prevent accidental contact of personnel with all energized buses. The
barriers shall not cover load connections.
4.1.19 Sheet steel barriers shall be provided between power and control
compartments.
4.1.20 Unless otherwise specified on the purchaser’s PIP ELSSG01D Data Sheet,
full height and depth barriers shall be provided between adjacent vertical
sections in the rear load terminal compartments.
4.1.21 If indicated on the purchaser’s PIP ELSSG01D Data Sheet, sheet steel
barriers shall be provided between breaker compartments in vertical
sections.
4.1.22 Equipment shall be designed to be shipped completely assembled if
practical.
4.1.23 If equipment must be disassembled for shipment, material and instructions
shall be provided for assembling shipping sections, including making main
power bus connections at shipping splits.
4.1.24 If indicated on the purchaser’s PIP ELSSG01D Data Sheet, enclosure vent
openings shall be provided with stainless steel screens having a maximum
opening size of 1/16 inch (1.6 mm).
4.1.25 Breaker control power shall be as indicated on the purchaser’s
PIP ELSSG01D Data Sheet.
4.1.26 Nonflashing indicator lights shall have replaceable, cluster-type LED lamps
and colored lens.
4.1.27 If indicated on the purchaser’s PIP ELSSG01D Data Sheet, thermography
windows shall be provided. Location of windows shall be as indicated on the
purchaser’s PIP ELSSG01D Data Sheet.
4.1.28 If indicated on the purchaser’s PIP ELSSG01D Data Sheet, the switchgear
assembly shall be UL labeled.
4.2 Power Circuit Breakers
4.2.1 Low-voltage power circuit breakers shall be air break type and shall be
designed, rated, manufactured, and tested in accordance with IEEE C37.13,
NEMA C37.16, NEMA C37.17, and ANSI C37.50.
4.2.2 Breakers shall be of the stored-energy type with standard draw-out
construction for both power and control circuits. They shall be three-pole
and complete with necessary operating mechanisms.
4.2.3 Breakers shall be operated electrically or manually as indicated on the
purchaser’s PIP ELSSG01D Data Sheet. Electrically operated breakers shall
also be capable of manual operation.
4.2.4 Direct-acting overcurrent trip devices shall be solid state RMS sensing,
unless indicated otherwise on the purchaser’s PIP ELSSG01D Data Sheet,