Frequently Asked Questions about 239
What is the mechanical jam trip feature of the GE Multilin 239 motor protection relay?
The motor protection relay 239 GE Multilin product has a mechanical jam trip feature that allows protection of various parts of a motor in the event that there is a jam. The saw mill cutters, fans, and other various parts are protected by this motor protection relay system in the event of a mechanical jam.
What are the various order codes that I see on the end of the Multilin 239 part number and what do they mean?
The various order codes that appear added after the parent GE 239 motor protection relay part afford different options to the motor protection relay. For example the H order code signifies an option for a harsh environment conformal coating to be included with the 239 motor protection relay. Similarly the AN order code includes a single isolated analog output with three mA varieties. Additionally this AN order code is programmable with the output parameter of the 239 motor protection relay.
How many relays are needed in order to protect each motor with thee 239 GE Multilin motor protection relay?
Typically one 239 Multilin motor protection GE relay is necessary to protect each motor. If the over temporature option is selected then a maximum of three RTDs are able to be monitored. The purpose of the motor protection relay installation is to protect and monitor motors in order to reduce time that production is down stemming from process problems or other malfunctions.