The ALLEN BRADLEY 817-E2 is a thermistor/current limiter relay featuring 230 VAC/24 VDC control power with 50 Hz/60 Hz frequency compatibility. It offers automatic/manual/remote reset functionality with 1 normally open and 1 normally closed output. The device includes an integrated test button and utilizes positive temperature coefficient technology for electronic protection. Note: Factory warranty doesn't apply, but includes Radwell's 2-year warranty.