Mains Switching Unit MSU

583371.21

Approval: G 210122
Part of EN 54-16 approval 0786-CPD-20997


The power panel MSU (Mains Switching Unit) is used to secure the power supply of all VARIODYN® D components that are installed in a cabinet. In addition, it offers a connector for connecting a service PC for local / network-wide maintenance purposes.

Each of up to three phases that will be charged max. A 18. The overload switch automatically releases the current, but can also be used for manual switching of the power supply.

The operating state is indicated by green indicator lights. The switch position can be evaluated via auxiliary contacts. A front-mounted 230 V mains connector and an RJ45 jack are provided for connecting a service PC.
  • Approved as per EN 54-16
  • Three 18 A overload switch with control contacts and indicator light
  • For maintenance purposes IEC and Ethernet port for connecting a service PC
  • The three terminals for auxiliary change-over per overload switch
  • Up to four devices can be connected per overload switch
  • Plastic cover of the keys
Shutdown 1-pole
Weight kg approx. 4.2 kg
Channel separation > 75 dB
Harmonic distortion at nominal level @ 1 kHz
Contact load AC 250 V, max. 4 A
Contact load DC 24 V, max 4 A
Operating life 10.000 cycles
Rated current 18 A
Air humidity 15 ... 90 % (non-condensing)
Type Changeover contact
Ambient temperature -5 °C ... 55 °C
Dimensions W: 483 mm H: 44 mm D: 345 mm (1 HU, 19")
  • 583703 mounting set 1