PILZ PIT esb1.3 safe contact block 2n/c 1n/c

The PIT esb1.3 Safe Contact Block 2n/c 1n/c by Pilz is a safety device used in industrial automation to enhance safety circuits. The "2n/c" and "1n/c" refer to the number and type of contacts in the block, where "n/c" stands for "normally closed" contacts. In this case, the block includes two normally closed (2n/c) contacts and one normally closed (1n/c) contact, which are typically used for monitoring safety conditions, such as door switches or emergency stops.