Features 1、SSR Regulator: This solid state relay enables 24‑480V AC load and 3‑32V DC control voltage for high work efficiency and voltage regulation. 2、Stable Working: The quick switching has no sparkles and little noises, which ensures good electromagnetic compatibility and reliability. 3、Broad Utility: Solid state relay is an ideal choice for automatic process control applications, temperature controllers and other mechanical control systems. 4、Better Design: Mainly made from premium metal and PBT materials, the SSR controller is very sturdy against corrosion and vibration. 5、Easy to Install: Light in weight and compact in size as well, the convenient installation can be quickly completed within minutes. Specification Item Type: Solid State Relay Product Model: SSR-40 DA-H Product Material: Metal, PBT. Rated Current: 40A Starting Current: 5mA Control Current:<25mA Cooling Condition: 10A-30A with radiator, 40A-300A with fan for forced cooling. Load Current: Resistive load 35%, inductive load 20%. Package List 1 x Solid State Relay