Suitable interface for devices having 4-20 mA or on-off outputs
Can power 2-wire transmitters
Galvanic isolation
4-20 mA input
Power relay (SPDT) output
Limit, differential or window switch capabilities
Programmable damping
Explosion-proof models

Power supply and switching amplifier for 2-wire transmitters
Switching amplifier for 4-wire active transmitters
Dedicated switching amplifier version for the RC-400 range of Ex rated vibrating forks
Wire state monitoring
ON-OFF control


Power supply: 110 V, 230 V AC, 24 V AC/DC
Ambient temperature: – 10 °C … + 55 °C
Input: 4 – 20 mA
Output: Switch rating: 250 V AC, 8A, AC1
Process connection: DIN rail mounted (module width: 36 mm)
Protection: IP20
Approvals: ATEX ex