High-Voltage DC Surge Protection for PV Systems
LY1-C40PV/3(S) 1500V(D4) is a pluggable multi-pole DC surge protective device designed for high-voltage photovoltaic systems. It helps protect PV strings, combiner boxes, inverter DC inputs, and energy storage DC circuits from lightning surges and switching transients.
1500V DC surge protection for high-voltage solar PV systems
Type 1+2 protection with 20kA In, 40kA Imax, and 6.25kA Iimp
Pluggable cartridge design helps simplify inspection and maintenance
Designed for PV combiner boxes, inverter DC inputs, and DC distribution panels
Suitable Applications
LY1-C40PV/3(S) 1500V(D4) is suitable for high-voltage DC systems where PV surge protection is required at combiner boxes, inverter inputs, and DC distribution points.
Utility-Scale Solar Farms
For 1500V DC PV arrays requiring surge protection in large solar power stations.
PV Combiner Boxes
Suitable for protecting DC combiner boxes from lightning-induced surges and switching transients.
Inverter DC Inputs
Helps protect DC input circuits of PV inverters where the selected SPD rating matches the system design.
Energy Storage DC Panels
Can be used in high-voltage DC protection panels for energy storage and DC distribution applications.
FAQ
Common questions about LY1-C40PV/3(S) 1500V(D4) DC surge protective device selection and application.
What system is LY1-C40PV/3(S) 1500V(D4) designed for?
It is designed for high-voltage 1500V DC photovoltaic systems, including PV arrays, combiner boxes, inverter DC inputs, and DC distribution panels.
What surge ratings does this DC SPD provide?
The nominal discharge current In is 20kA, the maximum discharge current Imax is 40kA, and the impulse discharge current Iimp is 6.25kA.
Is this model suitable for PV combiner boxes?
Yes. It is suitable for PV combiner boxes and high-voltage DC protection circuits when the system voltage, wiring method, and protection design match the product rating.
What is the benefit of the pluggable design?
The pluggable cartridge design allows easier inspection and replacement during maintenance, helping reduce wiring work and service downtime.
Does this SPD support remote signalling?
Yes. The “S” version can include optional remote signalling contact for monitoring SPD status in control or monitoring systems.
What should be confirmed before ordering?
Please confirm DC system voltage, pole configuration, protection mode, surge rating, backup fuse, installation space, wiring method, and remote signalling requirement before ordering.
