1.1 These requirements cover molded-case circuit breakers, molded-case switches, and circuit-breaker enclosures rated up to 1500 V dc, intended for use with photovoltaic (PV) systems and Ref. No. 1 of Annex B.1.2 These requirements are intended to be used in conjunction with the requirements in Ref. No. 2 of Annex B, except as modified or supplemented by this Standard.1.3 These requirements do not cover molded-case circuit breakers or molded-case switches intended for use in battery circuits.

• Year of Declaration: 2018
• Reference: UL 489B: 2016 First Edition UL 489B: 2016
• Number of Pages: 22
• Code: GYS 526
• Version:
• ICS Number: 29.240.30