Surge Protection Device Circuit Diagram Product overview
XZ- PV40 PV direct vay surge protector is widely used in PV confluence box, PV inverter, PV controller, PV DC cabinet and other equipment. Rated voltage up to 1500V DC, maximum discharge current 40kA, high- energy varistor, nanosecond response speed, effectively prevent the damage caused by lightning overvoltage to photovoltaic power generation system. Products comply with GB 18802.1, GB50057 and IEC61643- 1 standards.
With common mode (MC) and differential mode (MD) protection mode .35mm standard guide rail installation, the zero line with 2.5- -35mm wire connection, grounding wire with more than 6mm double color multi- strand copper wire connection, the length of not more than 500mm.
Usually installed in the DC distribution cabinet, photovoltaic inverter, photovoltaic manifold box.
Surge Protection Device Circuit Diagram Main technical parameters
| Specifications | XZ-PV500 | XZ-PV600 | XZ-PV800 | XZ-PV1000 | XZ-PV1200 | XZ-PV1500 |
| In(kA) Nominal discharge current |
20kA | |||||
| lmax(kA) Maximum discharge current |
40kA | |||||
| Ucp(VC) Maximum Continuous Operating Voltage |
500 | 600 | 800 | 1000 | 1200 | 1500 |
| Uc(kV) Voltage protection level |
2.8 | 3.2 | 3.5 | 3.8 | 4.5 | 5 |
| (ns) Response time | <25 | |||||
| Protection grade | IP20 | |||||
| The shell material | PBT/PA66 | |||||
| The filure indicator | I level | |||||
| Ambient limit temperature TU | -40℃~80℃ | |||||
| Protected mode | L/N-PE | |||||
| Type of installation | 35mm standard guide rail is used for nstallation | |||||
| (mm2) Induced power line Cross - sectional area |
16- 35mm2 / Multicore flexible cable | |||||
| Note | Remote signal function can be added, other maximum continuous working voltage uC can be customized | |||||
Surge Protection Device Circuit Diagram Overall dimensions

> What Should You Look for in a DC Isolator Switch for Solar PV?
A Isolator switch with 1200V DC rating, 32A capacity, and <8ms arc extinction provides safe disconnection for 1-20kW residential and commercial solar PV systems — ce...
> Why Does Your Electrical System Need a Residual Current Circuit Breaker?
A Residual Current Circuit Breaker RCCB is an electromagnetic device that protects people and equipment from electric shock and ground faults. It continuously monito...
> How Does a Liquid Level Relay Automate Your Water Pump?
A Liquid Level Relay automates pump control using conductive electrodes—no PLC required. This guide covers fill/drain modes, electrode selection, wiring, and trouble...
> What Makes a Charging Connector Reliable for Daily EV Charging?
A Charging Connector is more than a cable end—it’s the critical interface between the EV and the charger. With GB, EU, and US standard options, mechanical life of ≥1...




