The Gen II WireFree Relayer OI-7530 is a powerful wireless secondary relay and alarm system designed to seamlessly integrate with the Otis Instruments Gen II WireFree Product Line. Capable of monitoring up to 32 sensor assemblies, the OI-7530 utilizes advanced 900MHz or 2.4GHz radio transmissions for robust and reliable communication.

With versatile Modbus RS-485 connectivity and three dry-contact relays, the OI-7530 offers flexible integration options and enhances your safety system’s responsiveness. Whether for industrial safety, environmental monitoring, or critical infrastructure protection, this relayer provides the confidence and control you need in demanding environments.