2. Type designation N JBK 7 - 800 / □
Relay
Protection Relay
NJBK7 Motor protection delay
1. General NJBK7 series motor protection relay (hereinafter
referred to as protector) is used to provide overload, locked rotor, phase failure, three-phase current unbalance, ground and PTC temperature protection for AC motors with a frequency of AC 50Hz, a rated insu...
