The ABB 1SNA645003R0500 Terminal Block is engineered for dependable electrical connections, operating efficiently at 115V AC/DC to suit a wide range of systems. Its compact design, weighing just 1.28 oz, ensures easy integration into various setups while maintaining durability for industrial use. This terminal block is perfect for precise and long-lasting electrical installations, featuring a unique UPC of 662019284361 for easy identification. The RB121-115VUC boxed interface relay, compatible with this terminal block, offers seamless snap-on mounting onto a DIN Rail, with a soldered relay for enhanced vibration resistance. Operating with a 115 V AC/DC control supply voltage, it features a 1 c/o (SPDT) output rated at 250 V / 6 A, ideal for electrical isolation, amplification, and signal matching. Its 6mm width allows for high current switching in a compact space, and the integrated LED provides a clear visual indication of relay coil energization. The UL 94-V0 certified housing ensures high flame retardation, and optional jumper bars enhance functionality.