3RB20161RB0产品概述
3RB20-series electronic overload relay
Featured List:
Range of variants reduced thanks to large adjustment range
Overload protection for three-phase motors
On-site RESET is not necessary thanks to the automatic RESET function
The 3RB20 cannot be used with DC current or behind frequency inverters
Mechanically and electrically compatible with 3RT contactors and 3RW soft starters
Internal power supply (no supply voltage required)
Rapid triggering ( 3 s) for protection against phase failure
With auxiliary contacts 1 N/O & 1 N/C, manual / automatic RESET, switch position indication, TEST function and STOP button
Class 10; provides solutions for heavy start-up loads