ABB MWK44 High Voltage Surge Arresters 4kV-44kV AC Lightning & Surge Protection

Protect your critical medium voltage equipment from lightning strikes, switching surges, and transient overvoltages with the reliable performance of ABB MWK 44 Surge Arresters. Designed for AC systems from 4kV to 44kV, these arresters are engineered for durability, safety, and long-term cost savings.

Core Benefits & SEO Keywords:

High Voltage Surge Protection: Shields transformers, switchgear, cables, and other vital assets from damaging voltage spikes.

Metal-Oxide Varistor (MOV) Technology: Features a gapless design with zinc-oxide elements for superior energy handling, faster response time, and consistent clamping performance.

Exceptional Durability: Robust porcelain or polymer (depending on type) housings provide high mechanical strength, resistance to UV radiation, and performance in harsh environments.

Low Operating Duty: Minimal power loss and excellent thermal stability during continuous operation, ensuring reliability and reduced lifecycle costs.

Easy Installation & Maintenance: Lightweight design and clear mounting instructions simplify installation. Sealed, maintenance-free construction minimizes total cost of ownership.

Compliance & Safety: Meets international standards including IEC 60099-4, ensuring safe and reliable operation in utility, industrial, and commercial applications.

Applications:

Ideal for overvoltage protection in:

Electrical Substations (Air-Insulated - AIS)

Power Transformers and Distribution Lines

Industrial Plant Power Systems

Renewable Energy Connections (Wind & Solar Farms)

Railway Electrification Systems

Technical Highlights:

System Voltage Range: 4 kV to 44 kV AC

Rated Voltage: 4 kV to 51 kV

Standard Discharge Currents: 5 kA and 10 kA line discharge classes available.

High Energy Absorption: Capable of withstanding severe multiple surge events.

Pollution Performance: Designed with creepage distances suitable for various pollution levels.

Why Choose ABB MWK 44 Arresters?

ABB is a global leader in power technology. The MWK 44 series combines decades of innovation with proven metal-oxide technology, offering a cost-effective and robust solution for extending equipment lifespan and improving network availability.