This MY4NJ power relay with socket base is an essential component for industrial control systems and automation applications. Featuring a versatile 4PDT configuration with 4 normally open and 4 normally closed contacts, this relay provides flexible circuit control for complex switching operations. The transparent blue housing allows you to visually inspect the internal mechanism, while the integrated LED indicator confirms operating status at a glance. Rated for 5A at 240V AC or 28V DC, these relays handle a wide range of loads with silver alloy contacts engineered for over 100,000 electrical operations. The included socket base features 35mm DIN rail mounting for secure installation in control panels and electrical enclosures. Available in multiple coil voltages from 12V to 220V in both AC and DC configurations, you can select the perfect match for your system requirements. With fast action time under 25ms and reliable performance across temperatures from -13°F to 131°F, these relays deliver dependable switching when you need it most. This 10-pack provides excellent value for projects requiring multiple relay points or for keeping spares on hand.