Weidmuller ADT 2.5 4C is A-Series terminal block, Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, dark beige,order no. is 1989860000. Weidmuller’s A-Series terminal blocks，increase your efficiency during installations without compromising on safety. The innovative PUSH IN technology reduces connection times for solid conductors and conductors with crimped-on wire-end ferrules by up to 50 percent compared to tension clamp terminals. The conductor is simply inserted into the contact point as far as the stop and that’s it – you have a safe, gas-tight connection. Even stranded-wire conductors can be connected without any problem and without the need for special tools. Safe and reliable connections are crucial, especially under harsh conditions, such as those encountered in the process industry. PUSH IN technology guarantees optimal contact security and ease of handling, even in demanding applications.