GE 239
GE 239 motor protection relay 1、 Technical specifications The GE 239 motor protection relay, model 239-RTD-AN, is a high-performance motor protection device produced by GE Multilin. Its main technical specifications include: Rated value of fuse: 5 x 20 mm, 250 V, 2.5 A Insulation voltage: 300 V Overload curve: With 15 optional curves, it can adapt to motor protection under different load conditions Trip time: accuracy can reach ± 1% of the displayed value Programmable output: supports programming output of parameters such as thermal capacity, full load percentage, and phase current Transmission: Supports 50 MHz/15 W transmission Short circuit and ground trip: S/C trip Lvl 1 to 11 x CT PRI/closed Storage temperature range: -40 to 158 ° F Unbalanced delay: adjustable from 0 to 60 seconds