PR 240 Motor Protection Relay industrail motor management relay

PR 240 Motor Protection Relay Features

The working environment of PR 240 Motor Protection Relay:

Motor-rated voltage:	AC380V / AC660V
Motor rated current:	0.5-820A
Working temperature:	-10C ~ +55C
Storage temperature:	-25C ~ +70C
Relative humidity:	< 93% RH
Elevation:	not more than 3000 m
Atmospheric conditions:	installation site does not allow the explosive medium, containing gas to corrode metal and damage the insulation and conductive medium.

Measuring accuracy of PR 240 Motor Protection Relay:

Electrical parameters of PR 240 Motor Protection Relay:

Electrical test of PR 240 Motor Protection Relay:

IEC 61000-4-2	level III
IEC 61000-4-4	level III
IEC 61000-4-5	level III
IEC 61010-1	AC2kV/1min Between power / input / output

Products code	IEEE / ANSI C37.2	PR201	PR202	PR203	PR240	PR260	PR265	PR26C
PROTECTION FUNCTION
Max. Start Time	48	●	●	●	●	●	–	–
Overload	49, 51	●	●	●	●	●	–	–
Increased safety motors overload	51	–	–	–	●	●	–	–
Over Current – Jam in starting	51R	●	●	●	●	●	–	–
Over Current – Jam in running	51R	–	●	●	●	●	–	–
Phase loss	47	●	●	●	●	●	–	–
Current imbalance	46	●	●	●	●	●	–	–
Over voltage	59	–	●	●	●	●	–	–
Undervoltage	27	–	●	●	●	●	–	–
Under Power	32L	–	●	●	●	●	–	–
Ground fault	50G/N, 51G/N	–	○	○	●	●	–	–
Over Current – Short	50	–	–	–	●	●	–	–
Over temperature	38	–	–	–	○	○	–	–
Abnormal frequency	81U/81O	–	–	–	●	●	–	–
Lead/ Lag PF / Low Power Factor	55	–	–	–	●	●	–	–
Welded Contactor	74	–	–	–	●	●	–	–
External fault	86 or 94	–	–	–	–	●	–	–
Internal failure	3	–	–	–	–	●	–	–
Restart		–	–	–	●	●	–	–