The 1157689 is a knife-disconnect terminal block designed for versatile and secure electrical connections. It features push-in connection and screw connection methods, accommodating test plugs with screws for 4 mm test sockets. The terminal block supports a nominal voltage of 500 V and a nominal current of 20 A, with a rated cross section of 4 mm². It is suitable for PCB mounting and is classified with a pollution degree of 3, offering a rated surge voltage of 6 kV. Additionally, it includes multiple connection levels (HL 1 - HL 3) and adheres to UL 94 V-0 flammability standards.
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