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EM520 Low Voltage Motor Protection Device
EM520 Low Voltage Motor Protection Device
Product details
EM520 comprehensive low-voltage motor protection device is suitable for 380V or 66The 0V low-voltage system serves as a new generation intelligent integrated device for the protection, monitoring, and control of low-voltage motor feeder terminals,Having bothAdvanced motor protection, control, and monitoring capabilities,alsoProviding important information such as equipment maintenance and operation records, trip records, etc., greatly facilitates modern equipment management.
EM520 comprehensive low-voltage motor protection deviceWidely applicable to various industries such as petrochemicals, electricity, coal mining, smelting, railways, energy conservation, and civil construction.
function type |
Function Introduction |
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17 Protection function |
Protection for motor starting time too long Blockage protection Short circuit protection Overcurrent protection Overload protection Current imbalance protection open-phase protection tE-Time protection Overheat protection |
Reverse phase sequence protection Surge protection under voltage protection Overvoltage protection ground protection Leakage protection External fault delay 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 | ||
Thermal capacity statistics | ||
input/output function |
8Road switch input |
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4Road relay output | ||
1road4-20mAoutput | ||
STATISTICS |
Count the number of starts of the electric motor |
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Calculate the cumulative running time of the electric motor | ||
communication |
RS485communication interface, MODBUS-RTUCommunication protocol |
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PROFIBUS-DPCommunication protocol | ||
External dimensions (unit: mm)
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