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0102030405

BY19G 63A Manual Changeover Switch

The BY19G series manual changeover switch supports 1P, 2P (AC230V), and 3P, 4P (AC400V) configurations with rated current up to 63A at 50/60Hz. Featuring an ON-OFF-ON operation, it enables safe and reliable manual switching between power sources for residential, commercial, and industrial applications.

Rated Voltage Ue 1P, 2P: AC230V; 3P, 4P: AC400V
Rated Current In 16A, 20A, 32A, 40A, 50A, 63A
Poles 1P, 2P, 3P, 4P

Product Detail

product detail

Product Features

The BY19G series manual changeover switch is a reliable and durable device designed for manual switching between two power sources, ensuring consistent and safe power supply management. This switch is widely used in residential, commercial, and industrial applications, providing flexibility and control in electrical systems.
The BY19G series supports multiple pole configurations, including 1P, 2P, 3P, and 4P, making it adaptable to various circuit setups. It operates at AC230V for 1P and 2P configurations and at AC400V for 3P and 4P configurations, accommodating both single-phase and three-phase power systems. With a rated current capacity of up to 63A, this switch is suitable for handling moderate electrical loads in diverse applications.
Operating at a frequency of 50/60Hz, the BY19G series manual changeover switch ensures stable performance under different power supply conditions. It features an ON-OFF-ON operation mode, allowing users to manually switch between power sources or disconnect the circuit entirely. This is particularly useful in systems requiring backup power, such as during power outages or when switching between utility power and generators.
The switch is constructed with high-quality materials to ensure durability, heat resistance, and safe operation. Its compact and ergonomic design facilitates easy installation and operation, while its robust construction ensures reliable performance under demanding conditions.
The primary function of the BY19G series manual changeover switch is to provide a safe and efficient way to control the power supply. It prevents electrical disruptions and ensures seamless transitions between power sources, protecting connected devices and maintaining operational continuity.

Technical Parameters

Type	Values
Rated Voltage Ue	1P, 2P: AC230V; 3P, 4P: AC400V
Rated Current In	16A, 20A, 32A, 40A, 50A, 63A
Poles	1P, 2P, 3P, 4P
VRated Insulation Voltage Ui	400V
Rated Impulse Withstand Voltage Uimp	4kV
Rated Frequency	50/60Hz
Function	ON-OFF-ON