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Product 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.
For more details or a quick quotation, please get in touch with us:
Tel/WhatsApp: +86-13693313816
Email: jacky@cnsoltree.com
We reply to inquiries within 12 hours.
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