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Wholesale 3P 275V T2 Lightning Arrester 20KA to 40KA Surge Protective Device SPD Factories, Factory
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Wholesale 3P 275V T2 Lightning Arrester 20KA to 40KA Surge Protective Device SPD Factories, Factory
This three-pole Type 2 surge protective device is designed for reliable overvoltage protection in three-phase electrical systems. With a maximum continuous operating voltage of 275V and compatibility with 50/60Hz power networks, the device provides comprehensive protection against lightning-induced surges and switching transients. The 20kA nominal discharge capacity ensures stable performance in various industrial and commercial applications.
The device employs metal oxide varistor technology with balanced three-phase protection. Its fast response capability ensures effective clamping of transient overvoltages across all phases. The integrated thermal disconnector provides fail-safe operation, while the remote signaling contact allows for system monitoring. The compact modular design facilitates easy installation and maintenance.
Application Scope
Industrial main distribution boards
Manufacturing facilities power systems
Commercial building electrical systems
Data center power distribution
HVAC and motor control systems
Renewable energy installations
Telecommunication power supplies
Installation Requirements
Installation must be performed by qualified personnel according to IEC 60364 standards. The device should be installed in parallel with the power supply system using appropriate cross-section cables. Proper grounding with low impedance connections is essential for optimal performance. Regular inspection of the status indicator is recommended.
Standards Compliance
IEC 61643-11: Surge protective devices
EN 61643-11: European standard
GB 18802.11: Chinese national standard
CE certification
RoHS compliance
EMC Directive 2014/30/EU
Environmental Specifications
Storage Temperature: -40°C to +85°C
Operating Humidity: 5% to 95% RH
Altitude: ≤2000m above sea level
Pollution Degree: 2
Overvoltage Category: IV
Expected Service Life: >20 years
Detailed Product Gallery
Frequently Asked Questions
Q1: What is the primary function of a Type 2 Surge Protective Device (SPD)?A1: Type 2 SPDs are designed to protect electrical installations and sensitive equipment against indirect surge voltages and transient overvoltages caused by switching operations or distant lightning strikes.
Q2: How do I read the visual status indicator?A2: The device features a color-coded window. Typically, green indicates the device is functioning correctly and providing protection, while red indicates the internal thermal disconnector has tripped and the module needs replacement.
Q3: Why is the response time of < 25ns significant?A3: A faster response time ensures that the surge protective device can react and clamp the voltage spike before it reaches and damages the sensitive electronic components within the connected equipment.
Q4: Is professional installation required for this SPD?A4: Yes, installation should only be performed by a qualified electrician in accordance with international standards like IEC 60364 to ensure proper wiring, grounding, and safety.
Q5: Can this device be used in high-altitude environments?A5: This specific SPD is rated for use at altitudes up to 2000 meters above sea level. For higher altitudes, specialized ratings or derating factors may need to be considered.
Q6: Does the device provide protection for all three phases?A6: Yes, this is a 3P+N (Three-Phase and Neutral) device, providing balanced protection across all phases (L-L, L-N, and L-PE).
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