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VOLTAGE RELAYS |
ΠΕΡΙΓΡΑΦΗ |
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VME420 Undervoltage, overvoltage and frequency monitoring in 0...300 V AC/DC systems
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VMD420 frequency, overvoltage, undervoltage, phase sequence, phase failure, asymmetry in 3(N)AC systems 0...500 V
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VME421H Undervoltage, overvoltage and frequency monitoring in 9,6...150 V and 0...300 V AC/DC systems
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VMD423(H) Three-phase undervoltage, overvoltage voltage and underfrequency, overfrequency, phase sequence monitoring relay for CHPs (Combined Heat and Power plants), wind power stations, hydroelectric power plants and photovoltaic systems in accordance with DIN V VDE V 0126-1-1. In 3(N)AC systems AC 0…500 V
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VMD421H frequency, overvoltage, undervoltage, phase sequence, phase failure, asymmetry in 3(N)AC systems 70...500/288 V
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VMD460-NA Network and system protection (NS protection) for monitoring the power feed-in of power generation systems. In 3/N AC 400/230 V systems
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VMD258 overvoltage, undervoltage, in 3AC systems 100/110/230/400/440/480/500/690 V
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