NEMA SG 5

Description / Abstract: This standards publication covers:

a. Power switchgear assemblies including, but not specifically limited to, equipment for the control and protection of apparatus used for power generation, conversion, transmission, and distribution:

1. Low-voltage metal-enclosed power AC circuit breaker switchgear assemblies, in indoor and outdoor, rated 1000 volts AC or less including, either drawout or stationary low-voltage power circuit breakers

2. Low-voltage metal enclosed power DC circuit breaker switchgear assemblies, indoor or outdoor rated 3200 volts DC or less, including either drawout or stationary DC circuit breakers

3. Metal-clad switchgear assemblies, indoor or outdoor, rated above 1000 volts AC, including drawout medium voltage power circuit breakers and/or load interrupter switches

4. Metal enclosed interrupter switchgear assemblies, indoor or outdoor, rated above 1000 volts AC, including drawout or stationary medium voltage load interrupter switches

5. Station type cubicle switchgear, indoor or outdoor, rated above 1000 volts AC, including stationary medium voltage power circuit breakers

b. Metal-enclosed bus assemblies over 100 volts with associated interconnections, enclosures and support structures.

c. Control switchboards, indoor or outdoor, rated 600 volts AC or 250 volts DC or less consisting of the following types:

1. Vertical switchboards, open or enclosed

2. Dual switchboards

3. Duplex switchboards

4. Control desks (console)

5. Benchboards

6. Dual and duplex benchboards

7. Fixed rack cabinets

8. Swing rack cabinets

d. Renewal and spare parts designed exclusively for any switch-gear assemblies enumerated in this section and not included in the scope of some other subdivision.