Industrial alarm unit SR335

Alarm Unit with Pt100 Input and Double Relay Outputs SR335 is designed for industrial temperature monitoring with Pt100 sensors in 2- or 3-wire connection. Two output relays with individually adjustable trip functions are available. LED’s in the front indicate alarm state and correct power supply. • - Input from Pt100 sensors in 2- or 3-wire connection • - Selectable, pre-calibrated temperature ranges • - Two relay outputs with independent switch functions • - Monostable relays for safe tripping at power failure • - SPDT relays with 6 A switch capacity • - High configuration flexibility with DIP switches • - Trip levels and hysteresis adjustable from the front • - Three front LED’s for trip indication and power supply monitoring • - 4 kV isolation between input, output and power supply • - Protective Separation acc. to EN 50178 • - Universal 24 V AC and DC power supply • - DIN-rail mounting