
The ABB OS1250DA12-3 switch fuse is a high-performance, DIN-compliant fuse designed for industrial applications. It features a rated insulation voltage of 1000 V and a maximum nominal operating voltage of 690 V AC, ensuring reliable protection and efficient operation. With a conventional free-air thermal current of 1250 A, this fuse is ideal for use in high-voltage electrical systems.
Detailed engineering parameters based on manufacturer documentation