The CRR03-1B is part of Standexmeder's CRR Series of miniature reed relays. This model has a rated voltage of 250VAC, a contact rating of 5A, a coil resistance of 150 ohms, and operates on a single coil. It is UL, CUL, and VDE approved, and is a single-pole, double-throw (SPDT) relay with a contact form of 1A. It features a sealed plastic case and is designed for low-intensity switching in tight spaces. It is ideal for applications including security systems, industrial controls, audio/video equipment, test instruments and process monitoring.