Description

KSPD-2P-DC40KA 2-Pole 1000V 40kA DC Surge Protective Device

• KSPD-2P-DC40KA is a surge protective device designed for direct current (DC) electrical systems. It features a 2-pole (2P) configuration and is designed to limit transient overvoltages on DC power lines caused by lightning and other voltage surges.
• The product has a nominal voltage (Un) of 1000V DC, a maximum continuous operating voltage (Uc) of 1060V DC, a nominal discharge current (In) of 20kA, a maximum discharge current (Imax) of 40kA, and a voltage protection level (Up) of ≤ 4.0kV. The device also has an IP20 degree of protection.
• The device features a plug-in/removable module design, making inspection and replacement easier when necessary. Each module has a status indicator window. Green indicates that the module is operating normally. When the indicator turns red, the module should be checked and replaced according to the manufacturer's instructions.
• The KSPD-2P-DC40KA features dual thermal and overcurrent protection and can be configured with an optional remote signaling interface for status monitoring. The power terminals are clearly marked DC+ and DC-, making it easy to identify the correct polarity during installation.
• The device is designed for renewable energy systems such as solar and wind power systems, with voltage versions of 500V, 800V, and 1000V. The KSPD-2P-DC40KA 1000V version is particularly suitable for DC power lines with matching specifications, including solar power systems, DC distribution boards, DC power supply systems, and other renewable energy systems that require protection against voltage surges.
• In solar power applications, the device can be installed in DC distribution boards or at suitable locations along the DC power lines, depending on the system design, to help reduce the effects of transient overvoltages on downstream equipment. During installation, the correct DC+ and DC- polarity must be followed. Disconnect the power supply completely before installation, and ensure that all connecting wires are short, straight, securely connected, and have minimal bends.

Specifications

• Model: KSPD-2P-DC40KA
• Device Type: DC Surge Protective Device (SPD)
• Number of poles: 2P
• Power Supply: DC
• Nominal Voltage (Un): 1000V DC
• Maximum Continuous Operating Voltage (Uc): 1060V DC
• Nominal Discharge Current (In): 20kA
• Maximum Discharge Current (Imax): 40kA
• Voltage Protection Level (Up): ≤ 4.0kV
• Degree of Protection: IP20
• Module Type: Plug-in/Removable Module
• Power Terminals DC+ / DC-
• Status Indicator Green – Normal; Red – Replacement Required
• Protection Mechanism Thermal and Overcurrent Protection
• Monitoring Capability Optional Remote Signaling Interface
• Connection Method Connected in Parallel with the DC Power Supply
• Installation Requirements Short, straight, securely connected wires with minimal bends