1.1 These requirements cover individual enclosed, open, or dead-front switches, rated at not more than 6000 A and 2000 V dc maximum, intended for use with battery energy storage systems (BESS) installed in accordance with the NFPA 70^®, National Electrical Code^® (NEC^®)

Note 1: NFPA 70®, National Electrical Code®, and NEC® are registered trademarks of the National Fire Protection Association, Quincy, MA.

Note 2: Requirements for other ESS Switch types are under consideration.

1.2 These requirements apply to completely enclosed switches and to open type switches intended for mounting in other equipment. The integration of these switches in other equipment is subject to the requirements of the standard covering the final equipment.

1.3 These requirements do not apply to:

1. a) Switches for use in Photovoltaic Systems;

2. b) The integration of batteries within an enclosed switch enclosure;

3. c) Common forms of snap switches;

4. d) Switches providing overload protection without other circuit breakers or fuses,

5. e) Devices in which the pulling of fuses or the removal of a detachable pullout member is designed to accomplish a switching operation;

6. f) Solid-state (static) switching devices;

7. g) Source Interconnection Switches including Microgrid Interconnect Devices (MID);

8. h) Switches intended to be used as a service disconnecting device;

9. i) Circuit breakers, molded-case switches, magnetic-only circuit interrupters, instantaneous-only circuit breakers, and supplementary protectors; or

10. j) Switches having features intended primarily for the starting and protection of motors, including the switches arranged to shunt out fuses during the starting of motors,