ABB Type CO (Hi-Lo) Overcurrent Relay Instruction Leaflet Manual

This document describes the construction and operation of the 41-100K 2 CO (HI-LO) overcurrent relay, which includes an overcurrent unit, an indicating switch or an AC auxiliary switch, and an indicating instantaneous trip unit when required. The different relays use different electromagnet designs to generate out-of-phase air gap fluxes for contact closing torque. The operation principle of the DC indicating contactor switch unit is also explained.

Brand: ABB

File format: PDF

Size: 803 KB

MD5 Checksum: 0F40817B6960102A7B293D16544A5B93

Publication date: 22 March, 2012

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