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ZLS2 Type 1 SPD
Class I high-energy SPD with ZLS2 series specifications for direct Lightning Strike protection
The ZLS2 Type 1 SPD is a Class I high-energy SPD with ZLS2 series specifications, providing direct Lightning Strike protection for main distribution boards. It is engineered for high-energy lightning environments requiring robust first-stage protection.
Product Overview
ZL(S)2SPD(T1) adopts spark gap technology, specifically born for discharging high-energy direct lightning. Transcends ordinary metal oxide varistor, can withstand maximum 50kA (10/350us) extreme high impulse current (Iimp), is the ideal choice for power incoming ends (LPZ0-1) protection.
After discharge, effectively cuts off power-frequency follow current, fundamentally avoiding Thermal Runaway and Fire Risk caused by SPD degradation short-circuit.72mm ultra-compact body integrates T1 class Full Protection Circuit,Compliant with GB 18802.11,IEC 61643-11 Standard.
Core Capabilities
- Powerful Direct Lightning Capacity: Energy Dissipation Capacity and Thermal Capacity Far Exceeds Ordinary Through Varistor Resistance, Can Withstand Up to 50kA (10/350us Waveform) Impulse Current.
- Intrinsically Safe, No Fire Risk: After discharge, effectively cuts off power-frequency follow current, avoids thermal runaway and fire caused by SPD degradation short-circuit.
- Modular Plug-in Design: Module and Socket Separation, Protection Module Can Be Separately Thermally Replaced After Failure, No Need to Stop Electrical or Disassemble Wiring.
- High-Performance Density Design: 72mm Ultra-Compact Body Integrates T1 Class Full Protection Circuit, Small Size Large Performance.
Product Features
Strong Direct Lightning Withstand Capability
Energy dissipation capacity and thermal capacity far exceed ordinary metal oxide varistor (MOV), can withstand up to 50kA impulse current (10/350us waveform, Iimp), perfectly meeting T1 class protection strict requirements for direct lightning strike partial-point energy discharge.
Intrinsically Safe, No Fire Risk
After Discharge, Effectively Cuts Off Power-Frequency Follow Current,Fundamentally Avoids Due to SPD degradation Short-Circuit Causing Thermal Runaway and Fire Risk,Protects Power Distribution System Secure Operation.
Modular Plug-in Design
Acquisition Uses Module and Socket Separation Design, Protection Module Can Be Separately Thermally Replaced After Failure, No Need to Stop Electrical or Disassemble Wiring, Reducing Maintenance Cost and Time.
High-Performance Density Design
In ultra-compact 72mm width, integrates T1 class full protection circuit. 275V, 2.5kV Up value, small size with large performance, and micro-type break channel device dimension phase imitation.
Long Lifespan, Slow degradation
Petrochemical-grade material resists electrical arc and impulse, performance parameters remain stable after multi-order actions, with lifespan and reliability higher than conventional devices, protection cost lower.
Fast Response, Low Residual voltage
Response time ≤100ns, can act fast at the early uprising stage of overvoltage wave. Voltage Protection Level (Up) as low as 2.5kV, providing fine protection for UPS, servers, PLC and other devices.
Model Selection Guide
Model Naming Convention
| Model | structure | Pole Count | Uc | Iimp | Up | Response Time | dimension(long×wide×highmm) | localindicator | Dry Contact |
|---|---|---|---|---|---|---|---|---|---|
| ZL1-G-12.5/275-4P | Spark Gap | 4P | 275V | 12.5kA | 2.5kV | ≤100ns | 72×83×67 | √ | --- |
| ZLS1-G-15/385-4P | Spark Gap | 4P | 385V | 15kA | 2.5kV | ≤100ns | 72×83×67 | √ | √ |
| ZL1-G-25/320-3+NPE | Spark Gap | 3+NPE | 320V | 25kA | 2.5kV | ≤100ns | 72×90×71 | √ | --- |
| ZLS1-G-25/275-1+NPE | Spark Gap | 1+NPE | 275V | 25kA | 2.5kV | ≤100ns | 36×90×71 | √ | √ |
| ZL1-G-40/385-4P | Spark Gap | 4P | 385V | 40kA | 2.5kV | ≤100ns | 144×91×65 | √ | --- |
| ZL1-G-50/690-3+NPE | Spark Gap | 3+NPE | 690V | 50kA | 2.5kV | ≤100ns | 144×91×65 | √ | --- |
Technical Specifications
Basic Parameters
| Working Voltage | AC 220V |
| Mounting Method | Standard 35mm DIN Rail Mount |
| Operating Temperature | -40℃~70℃ |
| Working Humidity | 5%~95% |
| Housing Material | Thermalplastic flame-retardant materialPBT G20 V0 |
| Protection Class | IP20 |
| Execute Standard | GB 18802.11,IEC 61643-11 |
Surge Protection Parameters
| Protection Class | T1 |
| Corestructure | Spark Gap(G) |
| Max Continuous Running Voltage Uc | 275V/320V/385V/690V/760V AC |
| Max Impulse Current Iimp | 12.5kA/15kA/25kA/40kA/50kA |
| Voltage Protection Level Up | 2.5kV |
| Response Time | ≤100ns |
| 4P Dimensions | 72×83×67 / 144×91×65 mm |
| 3+NPE Dimensions | 72×90×71 / 144×91×65 mm |
| 1+NPE Dimensions | 36×90×71 mm |
installation Instructions
Installation Dimensions Image
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Interface Description
Power Supply Interface Definition
| Number | Interface | Definition |
|---|---|---|
| 1 | L1,L2,L3 | three-phaselive wire |
| 2 | N | Neutral Wire |
| 3 | PE | ground wire |
Key Points
- Definition： The ZLS2-T1 Class I SPD is FEXLINK's T1 SPD designed for Class I protection at the Power Incoming end, with high direct-lightning current handling.
- Core Capabilities： Voltage-switching structure with high Imax, suitable for main Power Incoming direct-lightning protection, can coordinate with T2 SPDs.
- Scenarios： Suitable for Class I lightning protection in main distribution of critical buildings, industrial plant incoming lines, and outdoor facilities.
- Related Products： T1 Class I SPD, T2 Class II SPD, FSS Smart SPD.
Frequently Asked Questions
Product FAQ
What is ZLS2-T1 Class I SPD?
The ZLS2-T1 Class I SPD is FEXLINK's T1 SPD designed for Class I protection at the Power Incoming end, with high direct-lightning current handling.
What scenarios does ZLS2-T1 Class I SPD apply to?
Suitable for Class I lightning protection in main distribution of critical buildings, industrial plant incoming lines, and outdoor facilities.
How does ZLS2-T1 Class I SPD differ from traditional solutions?
Compared with T2 SPDs, the ZLS2-T1 is dedicated to Class I direct-lightning protection, with higher current handling and a 10/350μs waveform.
How is ZLS2-T1 Class I SPD installed and integrated?
Install on the main Power Incoming side per L/N/PE codes, with a dedicated backup-protection device upstream.
How can I purchase FEXLINK products or request a demo?
Submit requirements via the Contact page on the FEXLINK website, or call +86-755-8653-6148 to request a demo and selection consultation; engineers will propose a matched solution and quotation based on your scenario.
Related Products
T1 Class SPD
T1 Top-Level Protection, 25kA Impulse Current, Discharges Direct Lightning and Indirect Lightning Overvoltage.
T2-ZL(S)1 SPD
T2 Lightning Protection, High Current Capacity, Low Residual Voltage Output, 2P/4P Multi-Specification Adaptation.
FSS Smart SPD
Flagship Full-Element SPD, Built-in 8 sensors, Fuzzy Algorithm degradation analysis.
FEXLINK Business Scope
FEXLINK specializes in smart lightning protection and electrical safety, offering a product portfolio covering lightning protection, lightning online monitoring, lightning protection online monitoring, lightning arrester, intelligent lightning arrester, lightning arrester monitoring, grounding resistance, grounding monitoring for smart lightning protection scenarios, while addressing digital distribution, smart distribution, electricity meter, carbon neutral, industrial internet, carbon asset for digital business, helping enterprises achieve safe, efficient and low-carbon energy management.