50kA Isolating Spark Gap – ISG 10 C50
50kA Isolating Spark Gap ISG 10 C50（690900）is for lightning equipotential bonding, especially for connection of separated earthing systems.
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Type
ISG 10 C50
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Art.-No.
690900
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Features
1. lsolating spark gap.
2. For mounting in-door & out-doors.
3. Max. discharge current 100kA.
4. EN 62561-3 compliance.
Inquiry
Download Datasheet
For lightning Equipotential Bonding
Iimp=50kA (10/350μs),
Imax=100kA (8/20μs)
Imax=100kA (8/20μs)
IP67 Protection
Application environment：Temperature: -40°C~ +80°C ，Relative humidity: ≤ 95% (25°C)
For mounting in-door & out-doors.
The 50kA isolating spark gap offers robust protection against high-energy surge events, including lightning and switching transients. Engineered for critical infrastructure and industrial systems, it safely diverts surge currents up to 50,000 Amps while providing electrical isolation during normal operation. With a fast response time, durable design, and maintenance-free operation, it ensures long-term reliability in harsh environments. Ideal for power distribution, renewable energy, telecom, and transportation applications, this device meets international standards for surge protection and safety.
Feature
1. High Surge Capacity – Handles surge currents up to 50,000 Amps.2. Electrical Isolation – Prevents unintended current flow under normal operating conditions.
3. Fast Response Time – Activates in nanoseconds to protect equipment from transient overvoltages.
4. Robust Construction – Designed for durability in harsh industrial and outdoor environments.
5. Low Residual Voltage – Minimizes the voltage passed downstream during operation.
6. Maintenance-Free Operation – No moving parts or regular service required.
7. Compact Design – Space-efficient for integration into electrical panels or systems.
8. Wide Operating Temperature Range – Suitable for extreme environmental conditions.
9. Compliant with IEC/UL Standards – Meets international safety and performance certifications.
Advantages
1. Extended Equipment Lifespan – By mitigating severe surges, it reduces wear and tear on connected devices, extending their operational life.2. Improved System Uptime – Prevents costly downtime by protecting mission-critical systems from unexpected surge failures.
3. Lower Maintenance Costs – With passive operation and no moving parts, it eliminates the need for regular servicing or part replacements.
4. Increased Safety – Electrical isolation under normal conditions helps prevent accidental shock hazards and ground faults.
5. Scalability for Complex Installations – Suitable for use in both small panels and large-scale industrial systems, supporting expansion without redesign.
6. Enhanced Compliance and Risk Mitigation – Helps organizations meet regulatory and insurance requirements for surge protection in sensitive applications.
7. Investment Protection – Shields expensive infrastructure and sensitive electronics, reducing replacement and repair costs over time.
Applications
1. Power Distribution Systems – Protects substations and switchgear from lightning and switching surges.2. Renewable Energy Installations – Safeguards solar and wind power systems against transient overvoltages.
3. Telecommunications Infrastructure – Ensures uninterrupted operation of base stations and data centers.
4. Railway and Transit Systems – Prevents surge damage in signaling and traction power networks.
5. Industrial Automation – Shields PLCs, sensors, and control systems from electrical spikes.
6. Oil & Gas Facilities – Used in hazardous areas to isolate and protect critical monitoring equipment.
7. Lightning Protection Systems – Functions as part of an external lightning protection solution.
8. Military and Aerospace – Applied in mission-critical systems where high reliability is essential.
Technical Data
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