SIR2B20A4 | SOLID STATE RELAY-ISOLATED Pack of 10 | Littelfuse

**Littelfuse SIR2B20A4 Solid State Relay** The Littelfuse SIR2B20A4 is a solid-state relay designed for isolated switching of AC loads. It offers superior performance in harsh industrial environments thanks to its DC input and AC output, providing galvanic isolation between control and load circuits. Key Features: * **High Switching Capacity:** Switches AC loads up to 20A @ 250VAC * **Zero-Cross Switching:** Prevents electromagnetic interference and voltage spikes * **Wide Input Voltage Range:** Accepts DC input voltages from 3-32VDC * **LED Status Indicator:** Provides visual indication of relay status * **Compact Package:** DIN rail or panel-mountable for space-saving installation Applications: * Industrial automation and control * Process control systems * Motor control and lighting systems By choosing the Littelfuse SIR2B20A4 Solid State Relay from our HVAC supply store, you'll benefit from our competitive pricing, fast shipping, and expert technical support. Ensure reliable and efficient control of your AC loads with this high-performance industrial relay.