This MY4NJ industrial power relay set delivers reliable switching control for automation and electrical applications. Each relay features a 4PDT configuration with 4 normally open and 4 normally closed contacts, providing versatile circuit control options. The relays handle up to 5A at 240V AC or 5A at 28V DC, making them suitable for various load requirements. Silver alloy contacts ensure dependable performance with an electrical life exceeding 100,000 operations. The transparent blue housing includes an LED indicator for clear visual confirmation of operational status. Compatible with coil voltages ranging from 12V to 220V in both AC and DC configurations. Each relay mounts securely on standard 35mm DIN rail using the included socket base. The compact design measures approximately 1.3 x 1.1 x 0.8 inches for the relay and 2.7 x 1.2 x 1.1 inches for the socket. Operating temperature range spans from -13°F to 131°F. This 10-pack includes both relays and matching sockets for complete installation convenience.