Available. 257457. The WAGO 257-457 is a 7-pole PCB terminal block designed for efficient and reliable electrical connections. Featuring a push-button actuation mechanism, it allows for tool-free operation, simplifying in-field wiring tasks. The terminal block utilizes WAGO's CAGE CLAMP® technology, ensuring secure and vibration-resistant connections. It accommodates conductor cross-sections up to 2.5 mm² and offers a pin spacing of 5/5.08 mm, making it suitable for various PCB applications. The housing is gray, providing a neutral aesthetic that blends seamlessly with most designs. This terminal block is ideal for applications requiring quick and secure connections without the need for specialized tools.