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The MZS-200AV is a surge protective device (SPD) designed to safeguard low voltage electrical systems against transient overvoltages caused by lightning and switching events.
The MZS-400AV is a surge protective device (SPD) for low voltage power circuits up to 400 V AC, connected between phase and neutral and complemented
The MZS-NPE is a surge protective device (SPD) designed specifically for connection between neutral and earth (N-PE) in low voltage power circuits.
The MZS-NPE400 is a surge protective device (SPD) designed specifically for connection between neutral and earth (N-PE) in 400 V AC low voltage power circuits.