Motor Protection Relay

37, 46, 49, 51, 51N, 51LR, 66

• Real time measurements of input: primary r.m.s. value, Positive Sequence, Negative Sequence and Zero Sequence component
• Display of parameters programmed setting
• Load Profile recording
• Trip and operation counters
• Event recording with parameter values and time tagging
• Number of load switch-on and inrush current
• Remote ON/OFF load control
• Reduced Voltage starting control
• Reversing starter control
• Programmable Output relays
• RTD input
• F37 - Undercurrent / No Load Running
• F46 - Independent definite time Unbalance
• F49 - Thermal Image alarm and trip
• F51 - Overcurrent independent definite time
• F51N - Earth Fault independent definite time
• F51LR - Locked Rotor
• F66 - Excessive Number of consecutive starts