Product Details
600v DC Surge Protector 40KA 2P/3P QJSPD-PV40
The QJSPD-PV40 600V DC Surge Protector is designed to protect photovoltaic DC systems from lightning surges and transient overvoltages. Featuring advanced MOV technology, thermal disconnection, and DIN-rail mounting, it ensures reliable surge protection for solar combiner boxes and DC distribution systems with a maximum discharge capacity of 40kA.
Technical Specifications & Description
Table of Contents
Product Overview
This high-quality 600v dc surge protector is an automatically operated protective switch used in low-voltage distribution systems. Acting as a highly efficient dc surge protective device, it combines a compact design with stable tripping performance, making it suitable for everyday power distribution and protection tasks.
In addition to circuit protection, the device can also be used for infrequent manual switching operations under normal operating conditions to maintain system stability.
600v dc surge protector Features & Benefits
- 40kA high surge discharge capacity for photovoltaic DC circuits.
- 600V DC rated voltage, suitable for common PV system designs.
- Advanced self-developed MOV technology for stable and long service life.
- Thermal disconnect device for each individual protection module.
- Optical and mechanical status indicators for fast visual inspection.
- Optional floating remote indication contact for system monitoring.
- Consistent pluggable design, including N/PE spark gap compatibility.
- Compatible with most PV network configurations.
- 35mm DIN rail mountable for quick installation in PV enclosures.
Technical Specifications
Typical Applications
- Solar PV combiner boxes.
- Photovoltaic DC distribution panels.
- Solar inverter DC input protection.
- Rooftop and ground-mounted PV power plants
- Residential, commercial, and industrial solar systems
FAQ
What type of surge protection does the QJSPD-PV40 provide?
It protects photovoltaic DC systems from lightning surges and transient overvoltages, featuring a 40kA high surge discharge capacity and advanced self-developed MOV technology.
How can I know if the SPD module needs replacement?
The device is equipped with optical and mechanical status indicators for fast visual inspection. If the indicator signals a fault, the specific module has safely disconnected and needs replacement.
Can this SPD be monitored remotely?
Yes, it features an optional floating remote indication contact specifically designed for remote system monitoring.
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