Motor Protection Relay – DP-53

Description

• True RMS Measurement with SPARC and DCOI Algorithm
• Auto/Manual Scroll for Real Time Display of Phase Current and Earth Fault in (%)
• Thermal Overload Protection
• Undercurrent Protection
• Phase Loss Protection
• Phase Sequence Protection
• Stalled Current (Locked Rotor) Protection
• Fault, Undercurrent, Overload, Phase Unbalance, Phase Loss, Phase Sequence, Locked Rotor, Earth Fault Indication
• Trip Event Memory
  (non-volatile 7 previous records for 3 phases + earth)
• Motor Hour Run (Accumulative)
• Selectable Frequency (50 / 60 Hz)
• Programmable Relay Output Contact for K2
• Selectable Auto/ Manual Reset Function
• Software Lock to Prevent Unauthorized Setting
• Complies with:
• IEC-60255-26/27 ; BS EN 50121 -5 Standards
• ANSI Code: 37, 46, 49, 51P, 51G
• External Plug-in Module for:
• A-01s/ A-01sp (RS-485 MODBUS RTU) isolated type