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EM530 Low Voltage Line Protection Device
EM530 Low Voltage Line Protection Device
Product details
EM530Low voltage line protection devices are suitable for380V(690V)The following low-voltage system, as a new generation intelligent comprehensive device for the protection, monitoring, and control of low-voltage feeders, not only has advanced line protection, control, and monitoring functions, but also provides important information such as operation records and trip records, bringing great convenience to modern equipment management.
EM530The device is widely applicable to various industries such as petrochemicals, electricity, coal mining, smelting, railways, and civil construction.
function type |
Function Introduction |
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18 Protection function |
Instantaneous quick break protection Time limited quick break protection Overcurrent protection for a section Overcurrent two-stage protection Three stage overcurrent protection ground protection Leakage protection overload protection Overload protection |
Post acceleration protection Unbalance protection External fault 1 protect External fault 2 protect under voltage protection Overvoltage protection Frequency limit protection PTWire breakage protection Arc light protection |
monitor function |
Three phase current and zero sequence current, positive sequence current, negative sequence current, unbalance rate |
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phase voltage | ||
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Three phase active power and total active power Three phase reactive power and total reactive power Three phase apparent power and total apparent power | ||
Three phase power factor | ||
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Total active power measurement Total reactive power measurement | ||
Frequency | ||
Leakage current | ||
input/output function |
8Road switch input |
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4Road relay output | ||
1road4-20mAoutput | ||
communication |
RS485communication interface, MODBUS-RTUCommunication protocol |
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PROFIBUS-DPCommunication protocol | ||
External dimensions (unit: mm)
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