NJBK2 series motor protection relay (hereinafter referred to protector as simply) is applicable for overload, locked-rotor, phase-failure, three phase current unbalance, earthing and PTC temperature protection of AC motor @ A.C.50Hz, less than 690V rated insulation voltage and 1A ~ 800A rated operating current for its continuous working or discontinuous working.
This product meets the requirements of IEC 60947- 4-1
NJBK2 series motor protection relay (hereinafter referred to protector as simply) is applicable for overload, locked-rotor, phase-failure, three phase current unbalance, earthing and PTC temperature protection of AC motor @ A.C.50Hz, less than 690V rated insulation voltage and 1A ~ 800A rated operating current for its continuous working or discontinuous working.
This product meets the requirements of IEC 60947- 4-1
Discover the importance of thermal overload relays for motor protection. This guide explains motor overload causes like excessive load and phase loss, and how relays prevent damage.
VFDs are crucial in modern motor control systems. They offer various control methods and benefits. From basic V/f control to advanced DTC, VFDs provide solutions for a broad range of application needs.
This article will discuss what short circuit current is, and why protective devices such as RCCBs, MCCBs, and MCBs are essential for ensuring electrical safety.
The article highlights CHINT Electric Solutions' role in advancing green and smart buildings through innovative, reliable electrical systems that enhance energy efficiency, sustainability, and smart functionality across modern construction projects.
Discover how the new energy air switch disconnector (solar disconnector switch) plays a crucial role in ensuring safety and reliability in utility-scale solar and battery energy storage systems (BESS).