Model: LW-SS-S3-B2
Signal surge protector (analog, switching, bus lightning protection)：Analog, switching, and bus surge protectors are installed on the LPZ 0-2 or higher interface. Suitable for industrial control system, such as field bus, 0~20mA, 4~20mA control line input and output interface.
Model: LW-SS-S3-B3
Signal surge protector (AI Three-line)：The AI three-wire signal surge protector is installed on the LPZ 0-2 or higher interface. It is suitable for industrial control signals (three-wire system), such as fieldbus, 0~20mA, 4~20mA control lines and other input and output interfaces.
Model: LW-SS-B5-ADI
Signal surge protector (DO High current return current protection surge)：The high current return current protection signal surge protector is installed at the LPZ 0-2 or higher interface. It is applicable to DO outputs with circuit load current not exceeding 5A, such as solenoid valves, relays, electric heads, etc.
Model: LW-SP-S3-DI
Secondary power supply system surge protector (24VDC power supply lightning protection)：The 24VDC power supply surge protector and bus surge protector are designed for DC power supply systems and installed at LPZ 0-1 or higher interface. They are designed in accordance with the standards of GB18802.1-2002/IEC61643-1:1998-02. They are specially designed as power supply level II (Class C) surge protection devices. When there is a fault, the window displays red color and the information is transmitted through the remote terminal block. The module is detachable.
Model: LW-SP-S3-TNS/275
Secondary power supply system surge protector (220VDC power supply lightning protection)：The 220VDC power supply surge protector and bus surge protector are designed for DC power supply systems and installed at LPZ 0-1 or higher interface. They are designed in accordance with the standards of GB18802.1-2002/IEC61643-1:1998-02. They are specially designed as power supply level II (Class C) surge protection devices. When there is a fault, the window displays red color and the information is transmitted through the remote terminal block. The module is detachable.
Model: LW-SS-S3-RTD
Thermal resistance type surge protector：The surge protector for thermal resistors complies with the IEC61643-21 standard (Category C1, C2, D1), and is a precision surge protector designed to protect terminal loads. It is suitable for protecting the signal transmission of thermal resistors and safeguarding the input and output of electronic devices.
Model: LW-SS-S3-TC
Thermocouple surge protector：The thermal couple surge protector complies with the IEC61643-21 standard (Categories C1, C2, D1), and is a precise surge protector designed for protecting the terminal load. It is suitable for protecting the signal transmission of thermal resistors and protecting the input and output of electronic equipment.
Model: LW-SS-S3-485
Surge protector for RS485：This product complies with IEC61643-21 (Categories C1, C2, D1) standard and is a precision surge protector designed for protecting terminal loads. It is suitable for protecting two-wire bus signal transmission and protecting the input and output of electronic equipment.
Model: LW-SS-TV
Surge protector for video：This product is applied to protect coaxial cable transmission equipment for signals or video signals from damage caused by overvoltage, operational overvoltage and electrostatic discharge, etc. It is designed in accordance with the standards of GB 18802.21-2004/IEC 61643-21:2000.
Model: LW-SS-WS
Surge protector for wind power supply system：The power surge protector of this system can be applied to wind power supply systems. With a maximum voltage of 1000V, it protects equipment such as the stator side and rotor side of wind turbines from power surges and direct lightning strikes.
Model: LW-SS-SE-TC
Surge protector for photovoltaic power generation：This product is applied in systems powered by solar energy or other DC power sources. The maximum discharge current can reach up to 40kA. It is equipped with remote signaling terminals and a life observation window. It has a fast response speed and is safe and reliable.
Model: LW-SS-FNF
Surge protectors for on-site transmitters：This product is installed on the LPZ 0 - 2 or higher interface. It is applicable to industrial control systems, such as field buses, 0 - 20mA, 4 - 20mA control lines and other input/output interfaces.
High-quality surge protector
