Features: This solid state relay is composed of engineering plastic case, base heat radiator, circuit board, thyristor, and optoelectronics. Widely used in computer peripheral interface devices, CNC machinery, industrial automation equipment, traffic lights, and more. High-quality solid state relay, explosion-proof, moisture-resistant, and corrosion-resistant. No switching spark, high switching speed. Stable performance, long service life. Specification: Model: TSR-40AA-H Control type: AC to AC Rated current: 40A Control voltage: 90–250VAC Load voltage: 24–480VAC Control current: 10mA Withstand voltage: 2000VAC On-state voltage drop: 1.5V Off-state leakage current: 5mA On time: 10ms Ambient temperature: -30°C to 70°C Package weight: Approx. 328g / 11.6oz Package list: 1 × Solid State Relay