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Prodcut Details
Surge Protection Device STL Series is specially designed for low-voltage power distribution systems. With a rated voltage of 385V and a maximum discharge current of 40kA, it complies with IEC/EN 61643-11 standards. It effectively suppresses transient overvoltage caused by lightning strikes and switching operations in the power grid, providing safe and reliable protection for electrical equipment.
High Protection Capacity: 40kA discharge capability ensures reliable protection against strong lightning surges.
Fast Response: Nanosecond-level response time to quickly cut off surge currents.
Modular Design: Pluggable protection modules for easy maintenance.
Status Indicator: Built-in visual window for monitoring working/failure status.
Safe & Reliable: Equipped with thermal and short-circuit protection for stable system operation.
Cost-Effective Design: Standard modular structure and encapsulation, suitable for general electrical environments.
Reliable Chip Quality: Regular chip version to meet basic protection requirements.
Standard Mounting & Socket: Equipped with standard base and iron socket connections for practical use.
Basic Protection: Provides fundamental surge protection and disconnection function.
| Item | Specification |
|---|---|
| Model | Surge Protection Device STL Series / Type 2 |
| Rated Operating Voltage (Ue) | 385V AC |
| Maximum Continuous Operating Voltage (Uc) | 385V AC |
| Nominal Discharge Current (In) | 20kA (8/20µs) |
| Maximum Discharge Current (Imax) | 40kA (8/20µs) |
| Response Time | ≤ 25 ns |
| Protection Level | IP20 |
| Operating Temperature | -40℃ ~ +80℃ |
| Installation Method | 35mm DIN rail mounting |
| Standard Compliance | IEC/EN 61643-11 |
Low-voltage power distribution systems in buildings
Industrial control systems and automation production lines
Data centers and telecommunication rooms
Commercial facilities such as lighting, elevators, and HVAC systems
Package Includes: SPD main unit ×1, User Manual ×1
Packaging Method: Shockproof carton box, suitable for long-distance transportation
Delivery Time: In stock orders ship within 7 days; bulk orders subject to confirmation
Q1: Where should this SPD be installed?
A1: Typically installed in low-voltage distribution cabinets as a second-level protection device.
Q2: Does it need regular replacement?
A2: Regular inspection is recommended. Check the indicator window periodically; replace the module if failure is indicated.
Q3: Can it be used together with Type 1 SPD?
A3: Yes, it is recommended to use it in combination with Type 1 SPDs for multi-level protection.
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Want to explore more Soltree SPD? Click here: Surge Protection Device to learn more.
Soltree is a professional manufacturer of low-voltage electrical products with over 15 years of industry experience. We specialize in circuit breakers, RCCBs, surge protectors, power meters, and smart WiFi devices, providing reliable solutions for residential, commercial, and industrial applications.
Our products boast customizable materials and dimensions, ensuring a tailored experience. With a range of materials to choose from and the ability to adjust sizes to your liking, our offerings are designed to meet your unique needs and preferences.
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