Here is one example
• Surge protection: Metal oxide varistors
• Supply voltage: 230-240V
• Current rating: 10A max. 2400 watt
• Protection mode: A-N, N-E, E-A
• Max surge current: 144,000A
• Typical capacitance: 400pF
• Clamping voltage (@50A): <775V
• Energy absorption: 4300 joules
•...