An overcurrent relay is a type of protective relay which operates when the load current exceeds a pickup value. It is of two types: instantaneous overcurrent (IOC) relay and definite time overcurrent (DTOC) relay. The ANSI device number is 50 for an IOC relay or a DTOC relay. https://youtu.be/tbQbgyUVYGQ Features: True RMS measurement Low/ high set Operation hour recording Fault/ Trip LED indication 3-tripping history Neutral current display THD-I display Last 30 min. ampere demand Maximum ampere demand 2 selectable characteristics (DTL/LTI) 7 selectable characteristics 2 output relays Auto shorting of CTs (when unplugged) Programmable software lock Flush mount Specifications: Power Supply: 85-270VAC/ 110-340VDC Auto shorting of CT terminals (when unplugged) Setting ranges: Low set: 0.1A – 10A, TM High set: 1A - 100A with 0.05 - 10s. Package Includes: 1 x TM-9300s IDMT Over Current Relay Lotted