Safety Note: Please note that the relay is working correctly, if you touch there is risk of electric shock. Please note that the relays (including Terminal, connection parts such as Sockets) installation, maintenance and troubleshooting, please cut off the power. Please note that when the terminal connection, first against the product manual wiring diagram and connected properly. Connection errors may cause unexpected malfunction, abnormal heat, fire, and so on. If there is poor contact adhesive, contact, such as break bad, damage to other property, even when life, use a double safety device. Tubular packaging: when using long tubular packaging relay, do not swing packaging tubes, relays shocks, which could cause the relay to fail. If the package uses a stop-motion, please press the stop into the label on the relay to avoid relay in the packaging tube hanging out.