Leave Your Message

HD11N Photovoltaic Knife Switch

The HD11N series photovoltaic knife switch is designed for AC 50Hz, 400V and below, with a rated current of 63A–250A. It ensures safe and reliable operation with visible contact positions, thickened copper components, and optional arc insulation plates. Features include rail/baseplate installation and cover-free wiring.

  • Model HD11N-125, HD11N-125OT, HD11N-160, HD11N-250

product detail

Product Features 

  • The HD11N series photovoltaic knife switch is designed for AC 50Hz systems with a rated voltage of 400V and below, a rated impulse withstand voltage of 6kV, and a rated current ranging from 63A to 250A. Available in 2P, 3P, and 4P configurations, this switch is widely applicable in power distribution equipment, including photovoltaic systems and grid boxes. It functions as a power and load isolation switch, suitable for infrequent manual switching and isolating the power supply.
  • The PV knife switch is designed with visible contact positions and disconnection points, significantly improving personal safety and reducing the risk of accidental electric shock. Misaligned or crooked contacts must not be used, as improper positioning of the contact knife can result in poor contact surfaces, leading to a rapid temperature rise and potential fire hazards.
  • The HD11N series PV knife switch addresses the inconvenience of traditional knife switch installations by offering two flexible mounting methods: rail mounting or baseplate installation. This flexibility makes it suitable for various operational environments. Wiring can be performed without opening the cover, streamlining the installation process and improving overall efficiency.
  • The PV knife switch features thickened full-copper components, ensuring excellent conductivity and durability. A newly designed fastening ring further enhances the tightness and security of the contact, ensuring stable and reliable performance during operation. Arc insulation plates can be installed to provide additional safety, especially in environments where extra protection against arc flashes is required.

Technical Parameters

Model HD11N-125 HD11N-125OT HD11N-160 HD11N-250
Poles 2P, 3P, 4P 4P 4P 4P
Rated Operational Voltage Ue 400V 400V 400V 400V
Rated Operational Current le 63A, 80A, 100A, 125A 63A, 80A, 100A, 125A 125A, 140A, 160A 160A, 200A, 225A, 250A
Rated Frequency 50Hz
Rated Impulse Withstand Voltage Uimp 6kV
Using Category AC-20B
Rated Short-time Withstand Current Icw (kA) 1.89
Rated Short Circuit Making Capacity Icm (kA) 2.69