SIR2B20B4 | SOLID STATE RELAY-ISOLATED Pack of 10 | Littelfuse

**SIR2B20B4 Solid State Relay by Littelfuse** The SIR2B20B4 Solid State Relay from Littelfuse provides isolated switching for a wide range of industrial applications. Its compact design and high switching capacity make it an ideal solution for controlling loads with limited space and critical timing requirements. Featuring an input voltage range of 3-32 VDC and an output voltage of 240 VAC, this solid state relay offers reliable switching up to 20 A. Its high surge current capability of 100 A and low on-state resistance ensure efficient and dependable operation. Built with optocoupler isolation, the SIR2B20B4 provides excellent electrical isolation between the input and output circuits, preventing interference and ensuring safe switching. Its zero-cross switching technology eliminates electromagnetic noise and reduces arcing, extending the relay's lifespan. The SIR2B20B4 is widely used in industrial automation, temperature control systems, motor control, and power distribution applications, offering a compact and reliable solution for demanding switching requirements. With our extensive inventory and competitive pricing, our HVAC supply store is your trusted partner for industrial electrical components. Order your SIR2B20B4 Solid State Relay today and benefit from fast shipping and exceptional customer support. Shop now!