Short-circuit proof and current limited integral switch-mode power supply
  Optional stand-by batteries extend operation as an uninterrupted 24 V DC supply in accordance with EN 54-4:2006
  Constant monitoring of stand-by battery charge and internal resistance in accordance with EN 54-4:2006
  Maximised stand-by battery life time due to deep discharge protection and temperature compensated charging
  Quick and easy test function to perform self-test and determine stand-by battery internal resistance
  Earth fault monitoring configurable
  Front-panel status display via seven LEDs
  Acoustic fault signal
  Powder coated sheet steel housing or 19“ front-panel
  Mains voltage 230 V AC
  Unit type PS 2402 / PS2402-W with 2 A capacity
  Unit type PS 2408 / PS2408-W with 8 A capacity
  VdS approved