DM1-A & DM1-W are part of the SM6 product and are referred to as a single circuit breaker insulation part. This modulator unit is used for MV parts of the MV / LV substation in secondary distribution systems up to 24 kV.
Application:
DM1-A is a single isolation circuit breaker unit with a fixed breaker, usually used on incoming and outgoing.
DM1-W is a single isolation circuit breaker unit that can be drawn and is also used for incoming or outgoing feeders.
DM1-A or DM1-W are usually installed together in systems with other parts of SM6 products such as IM, IMC, QM, QMC, Cm, etc., according to the design or distribution system.
Switching Power Supply