Reliable Type 2 Surge Protection for 800V DC Solar PV Systems
LY1-C40PV 2P 800V T2 is a two-pole Type 2 DC surge protective device designed for photovoltaic and high-voltage DC systems. It provides surge protection for positive and negative DC conductors and offers a maximum discharge current of 40kA in a compact DIN-rail-mounted design.
Class II / Type 2 protection for systems up to 800V DC
Two-pole protection for positive and negative DC conductors
Maximum discharge current up to 40kA
Compact 35mm DIN-rail design for PV and DC cabinets
Suitable Applications
Suitable for photovoltaic and DC systems operating up to 800V DC that require two-pole Type 2 surge protection.
PV Combiner Boxes
Protects positive and negative conductors in photovoltaic string and combiner-box circuits.
String Inverter Cabinets
Suitable for the DC input side of compatible string and commercial solar inverters.
DC Distribution Cabinets
For solar DC distribution boards, switching panels, and high-voltage DC equipment cabinets.
Battery Energy Storage
Suitable for compatible battery energy-storage and DC charging circuits up to 800V DC.
FAQ
Common questions about the LY1-C40PV 800V two-pole Type 2 DC surge protective device.
What is the LY1-C40PV 800V DC SPD used for?
It is designed to protect photovoltaic and DC equipment against lightning-induced and switching transient overvoltage in systems operating up to 800V DC.
Is this a Type 2 DC SPD?
Yes. The product is classified as Class II / Type 2 and is intended for downstream protection in photovoltaic and DC distribution systems.
What does the two-pole configuration protect?
The two-pole configuration is intended to provide surge protection for the positive and negative conductors of a DC circuit.
What is the maximum discharge current?
The listed maximum discharge current Imax is 40kA. Confirm the associated test waveform and nominal discharge current from the official datasheet before final product selection.
Where can this SPD be installed?
Typical installation locations include PV combiner boxes, string inverter cabinets, central inverter systems, DC distribution cabinets, battery energy-storage systems, and commercial or utility-scale solar systems.
What should be confirmed before ordering?
Confirm the maximum PV open-circuit voltage, nominal discharge current, voltage protection level, short-circuit rating, wiring arrangement, grounding system, backup protection, conductor size, and remote-contact requirement.