Protection relay, buy 3 phase smart over under voltage protector programmable digital motor start potential relay on China Suppliers Mobile

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Product Overview

3 phase smart over under voltage protector programmable digital motor start potential relay

KPM60 series programmable digital motor start potential relay is suitable for control protection circuit that rated voltage 380V to 660V, rated current 5A to 500A , providing a sound protection and control measures, It could achieve motor network management by the communication method that based on a variety of bus, the controller application greatly improves the design and production efficiency, reducing the on-site commissioning and maintenance workload.

As a motor protection component, the motor protector effectively guarantees the safe operation of the motor, replaces the thermal relay, and realizes the motor control automation by using advanced communication technology.

FEATURES AT A GLANCE

Feature

Protection functions: overload protection, blocking protection, blocking protection, external fault protection, current imbalance protection, starting overtime protection, grounding protection, phase failure protection, contactor breaking protection, underloadprotection;
Start mode: protection mode, direct start mode, bidirectional reversible start, star / delta start, autotransformer start;
Monitoring functions: 3 phase current, A phase voltage, active power, reactive power, power factor, frequency, active energy, work energy, grounding current, leakage current, 4 ~ 20mA analog input, heat capacity;
Optional protection: leakage protection, TE protection, temperature protection, analog input protection, overvoltage protection,undervoltage protection, under power protection, undervoltage restart;
Special features: analog input, digital input, relay output
Display: large-screen LCD display, high quality, wide viewing angle, high visibility;
Communication: RS485 communication, Modbus-RTU;
Applicable motor: Motor rated voltage: 380V ~ 660V, rated power 0.25 ~ 250kW

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Product Paramenters

KPM60 - programmable digital motor start potential relay-Technical parameters
Working power source	Operating Voltage		AC85~265VDC80~300V
		Rated power		<5VA
Input voltage	Rated voltage		380V-660V
		Frequency range		45~65Hz
Input current	Rated current		5A,32A, 100A, 250A, 500A
		Frequency range		45~65Hz
InputOutput	Switch value input		8-way passive main line contact DI input, internal supply DC24V power source
		Relay output		4-way DO output,Contact capacity 250VAC5A,30VDC5A
		Analog output		Output range 4~20mA,Programmable
		Temperature input		Measure range 0℃~100℃
Measurement accuracy	Current		±1.0%(10%Ie~120%Ie)
		Leakage current		±1.0%(5%Ise~100%Ise)
		Voltage		±0.5%(20%Ue~150%Ue)
		Frequency		±0.02Hz(45Hz~65Hz)
		Power factor		±1.0%(-1~1)
		Energy		±2.0%
		Power		±2.0%
Communication	Communication interface		RS485,Photoelectric isolation interface
		Communication protocol		Modbus-RTU,1200~38400bps Profibus-DP,9600~12Mbps
Electrical insulation	Power frequency withstand voltage		AC2kVmin~1mA Input-output-power source
		Insulation resistance		>50MΩ
		Impact voltage		5kV(Peak),1.250us
Working environment	Operating temperature		-25℃ ~ +70℃
		Relative humidity		5%~95% No condensation
		Storage temperature		-30℃ ~ +75℃

1. Overload protection
2. Stall protection
3. Current imbalance protection
4. Start overtime protection
5. Ground protection
6. Phase failure protection
7. Contactor sectional current protection
8. Underload protection
9. Blocking protection
10. Leakage Protection
11.TE time protection
12.Overvoltage protection
13.Undervoltage protection
14.Under-power protection
15.Power factor protection
16.Undervoltage restart
17.Phase sequence protection
18.Temperature protection
19.External fault protection

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