Surge Protection Devices
Advanced Protection Solutions for Your Electrical Systems
Safeguard your valuable equipment with SwitchgearMFG's comprehensive range of surge protection devices, engineered for maximum reliability and performance.
Superior Surge Protection Technology
Our surge protection devices (SPDs) provide essential protection against transient overvoltages caused by lightning strikes, switching operations, and other electrical disturbances. With over 45 years of experience, SwitchgearMFG delivers reliable protection solutions for low, medium, and high voltage applications.
SPD Product Categories
Type 1 SPDs
Lightning Current Protection
- • Direct lightning protection
- • High discharge current capability
- • Main distribution board installation
- • Iimp rating: up to 25kA
- • Response time: <100ns
Type 2 SPDs
Switching Surge Protection
- • Switching overvoltage protection
- • Sub-distribution board installation
- • In rating: up to 40kA
- • Voltage protection level: ≤1.5kV
- • Thermal disconnection
Type 3 SPDs
Fine Protection
- • Equipment-level protection
- • Socket outlet installation
- • In rating: up to 5kA
- • Low voltage protection level
- • Compact design
Technical Specifications
| Parameter | Type 1 | Type 2 | Type 3 |
|---|---|---|---|
| Voltage Rating | 230V / 400V AC | 230V / 400V AC | 230V AC |
| Frequency | 50/60 Hz | 50/60 Hz | 50/60 Hz |
| Discharge Current | 25kA (10/350μs) | 40kA (8/20μs) | 5kA (8/20μs) |
| Protection Level | ≤2.5kV | ≤1.5kV | ≤1.0kV |
| Response Time | <100ns | <25ns | <25ns |
| Operating Temperature | -40°C to +85°C | -40°C to +85°C | -25°C to +60°C |
| Protection Rating | IP20 | IP20 | IP20 |
Key Features & Benefits
Fast Response
Ultra-fast response times ensure immediate protection against surge events.
High Reliability
Proven reliability with extensive testing and quality assurance.
Visual Indication
Clear visual status indicators for easy monitoring and maintenance.
Easy Installation
Simple installation process with standard DIN rail mounting.
Applications
Industrial Facilities
Protection for manufacturing plants, processing facilities, and industrial equipment.
Commercial Buildings
Surge protection for office buildings, shopping centers, and commercial complexes.
Data Centers
Critical protection for servers, networking equipment, and IT infrastructure.
Renewable Energy
Protection for solar installations, wind farms, and energy storage systems.
Healthcare Facilities
Reliable protection for hospitals, clinics, and medical equipment.
Residential
Home protection for appliances, electronics, and electrical systems.
Standards & Certifications
International Standards
- IEC 61643-11 (Low voltage surge protective devices)
- EN 61643-11 (European standard)
- UL 1449 (North American standard)
- IEC 62305 (Lightning protection)
Quality Certifications
- ISO 9001:2015 Quality Management
- ISO 14001:2015 Environmental Management
- CE Marking (European Conformity)
- RoHS Compliance
Protect Your Equipment Today
Contact our surge protection experts to find the right solution for your application.