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• Communication base station SPD
• Heavy industry machinery SPD
• Medical instruments equipment SPD
• Rail transit system SPD
• Onboard electrical application SPD
• Power supply system SPD
• SPD Circuit Breaker
• Lightning monitoring counter
• Commercial lighting power SPD
• DC power system SPD
• Ethernet surge protection device
• Control signal SPD
• Smart SPB of power supply system
• Special explosion proof SPD