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Ex POWER SUPPLY
PRepower 5420B
• 2 channels
• 5-port 3.75 kVAC galvanic isolation
• Output voltage > 18 V to Ex area
• Active current loop detection
• Universal supply by AC or DC
Application:
• Voltage supply with safety barrier for the supply of equipment mounted in
hazardous area.
• Voltage supply with failsafe detection of active current loop from 2-wire
transmitters mounted in hazardous area.
Technical characteristics:
• PR5420B has a relay with change-over contacts available in the safe area.
When the loop current is within the defined limit, the relay is ON.
• Supply and outputs are floating and galvanically separated.
Mounting / installation:
• Mounted vertically or horizontally on a DIN-rail. Up to 84 channels per metre
can be mounted.
Summary of Contents for 5420B
Page 10: ...8 2 Trådstransmitter 2 Trådstransmitter Loop alarm Loop alarm Forsy ning Forsy ning ...
Page 22: ...20 2 wire transmitter 2 wire transmitter Loop alarm Loop alarm Supply Supply ...
Page 46: ...44 Schleifen alarm Schleifen alarm Versorg ung Versorg ung 2 Draht Umformer 2 Draht Umformer ...