SIRCO VM1 is a modular manual transfer switch available in 3-pole and 4-pole configurations, featuring visible break indication for enhanced operational safety. It provides reliable on-load transfer between two power sources in low-voltage electrical systems while ensuring safe electrical isolation during maintenance and servicing. In addition to power source changeover, the SIRCO VM1 is suitable for applications such as source inversion, including motor direction reversal, as well as grounding and earthing, making it a versatile solution for a wide range of industrial installations.