ABB 6668D37A27

The ABB catalog number 6668D37A27 refers to a high-impedance bus differential relay, designed for voltage ranges between 150 and 400 volts AC. This Type KAB relay is built to provide adjustable overvoltage protection, with current settings that can be fine-tuned from 3 to 12 amps on the low tap and 12 to 48 amps on the high tap. It’s a solid choice for protecting your bus systems with precise sensitivity and reliable performance. You can find this versatile relay through BSP Automation, offering practical solutions for your automation needs.