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Low voltage motor protection measurement and control device
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  • WDDM500/500F 低压电动机保护测控装置

WDDM500/500F low voltage motor protection measurement and control device

Appearance:127*77.5mm
opening:122*72mm
power supply:AC/DC85-265V
Voltage:AC3*230/380V
current: External core-type current transformer
             400A/300A/200A/150A/100A/75A/50A
             25A/15A/10A/5A/1A
Accuracy:Level 1
Open in: 7-way switch input
draw out: 5-way switching output
Communication:RS485
Expand: 1 residual current input
             1路变送输出

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Features

Full power parameter monitoring
U/I/P/Q/S/PF/F/EP+/ EP-/ EQ+/ EQ/I0/U1/U2/I1/I2/Iunb /Ir/Iout and other power parameters

Comprehensive motor protection
Provides complete protection functions such as overcurrent 1/2 section protection, overload protection, overload protection, stalled rotor protection, zero sequence overcurrent protection, phase loss protection, current unbalance protection, underload protection, underpower protection, tE protection, grounding/leakage protection, undervoltage protection, overvoltage protection, non-electricity protection, voltage disconnection protection, phase sequence protection, starting control, etc.

event record
Detailed records of protection actions, fault parameters and occurrence time support historical query to assist fault analysis

Current direction internally adjustable
The current transformer access direction can be adjusted forward and reverse in the settings menu to avoid power outages and line changes.

Remote communication and management
RS485 interface supports Modbus-RTU protocol to realize remote monitoring, parameter setting and data collection