NPK Morsvyazavtomatica
NPK Morsvyazavtomatica - Marine Electronics
Unicont, Saint-Petersburg


Automatic power transfer switch

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The APS-120 Automatic power transfer switch provides a switchover to standby power in case of a main power failure.
  • Functional scheme
  • Wiring diagram
Technical specifications
Dimensions 158x127x54 mm
IP rating IP 22
Weight 0.3 kg
Operating voltage 24 V DC (12 V DC), from input IN1
Standby power 24 V DC (12 V DC)
Output voltage repeats voltage N1 or N2, depending on the mode
Rated current of load 20 А
Rated power 1.5 W
Short-circuit protection +