The 303 relay is designed for general purpose such as lighting, pumps and fans, offering as standard a weld no transfer design for safety critical applications such as door control, emergency brake failure, interlocking traction and breaking. The 303 relay has 19 double break contacts in all N/O and N/C combinations. The plug-in design offers secure locking feature for maximum ease of maintenance (no wires need to be disconnected or other hardware removed for relay inspection or replacement). The resistance to impact and vibration is. In electric power systems and industrial automation, ANSI Device Numbers can be used to identify equipment and devices in a system such as relays, circuit breakers, or instruments. Product key features, technical specs, technical schemas and more.
[PDF Version]