Lightning Arresters

Lightning arresters protect transformers, switchgear, and other substation equipment from transient over voltages caused by lightning strikes and switching operations.

Common Features

• Metal oxide varistor (MOV) technology
• Weather-resistant housing
• High surge current capacity
• Maintenance-free design
• Ground connection

Common Use

• Surge protection
• Equipment protection

Common Types

• Polymer Lightning Arrester
• Porcelain Lightning Arrester
• Station-Class Arrester

Advantages

• Prevents insulation damage
• Extends equipment life
• Reliable surge protection
• Fast response
• Improves system reliability

Common Applications

• Distribution substations
• Transformers
• Overhead distribution lines
• Industrial facilities
• Utility networks