This is a 12VDC 200A normally open 4-pin start relay. The shell is made of high-quality ABS material, providing a strong overall structure and reliable protection. The product is manufactured to strict standard dimensions to ensure proper fit during use. Featuring a normally open configuration, the relay maintains an open circuit at rest. The integrated mounting bracket allows for easy and secure installation. This start relay is suitable for applications such as small cranes, wheat combine harvesters, vehicle starting systems, and car preheat circuits. Product Name: 4-Pin Start Relay Contact Form: Normally Open Model: WM686 RL180 Coil Power: 1.8W Operating Temperature: -30°C to +80°C Terminal Size: M6 Color: Black Material: ABS Package Contents: 1 x Relay Note: Lighting and display settings may cause slight color variations between the image and the actual item. Measurement tolerances may vary by +/- 1-3 cm.