KRQ30 Series AC Motor Soft Starter

Short Description:

KRQ30 series AC motor soft starter adopts advanced digital control technology, has multiple starting modes, can easily start various heavy loads, and is suitable for motor power of 5.5kW~630kW. Products are widely used in various three-phase AC motor driving occasions, such as fans, pumps, compressors, crushers and so on.

Product Detail

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Features

● With CCC certification

● Various start modes: torque start, current limit start, pulse jump start

● Multiple stop modes: free stop, soft stop

● Various starting methods: external terminal start and stop, delayed start

● Support motor branch delta connection, which can reduce soft starter capacity

● With motor temperature detection function

● With programmable analog output interface, real-time monitoring of motor current

● Full Chinese display panel, support panel external introduction

● Standard RS485 communication interface (Modbus RTU protocol), optional PROFBUS, PROFINET communication gateway

● The peripheral port adopts electrical isolation technology, which has strong anti-interference ability and high safety performance

Product Detail

Power supply	Main circuit power supply: 3AC340～690V, 30～65Hz
	Control power supply: AC220V(﹣15%+10%), 50/60Hz;
Input and output	Control signal: passive switching value Relay output: contact capacity: 5A / AC250V, 5A / DC30V, resistive load
Working characteristics	Starting mode: torque starting, current limiting starting and pulse jump starting
	Shutdown mode: free shutdown and soft shutdown
	Working mode: short-time working system, starting up to 10 times per hour; After starting, bypass with contactor
Communication	MODBUS: RS485 interface, standard MODBUS protocol RTU mode, supporting 3, 4, 6 and 16 functions
Protection	System fault: alarm in case of program self-test error
	Power fault: protection when the input power supply is abnormal
	Phase inversion prohibition: the operation of reverse phase sequence is prohibited and protection when input is reverse phase sequence
	Overcurrent: current over limit protection
	Overload: I2t overload protection
	Frequent starting: do not start again when the overload is greater than 80%
	Thyristor overheating: protection when the thyristor temperature is greater than the design value
	Thyristor fault: Protection in case of thyristor faiult
	Starting timeout: protection when the actual starting time exceeds twice the set time
	Load unbalance: protection when the unbalance degree of output current exceeds the set parameters
	Frequency fault: protection when the power frequency exceeds the set range
Ambient	Service temperature: -10～45℃ Storage temperature: -25～70℃ Humidity: 20%～90%RH, no condensation Altitude: lower than 1000m, more than 1000m according to GB14048 6-2016 national standard derating use Vibration: ＜0.5G IP grade: IP00
Installation	Wall mounted: installed vertically for ventilation
Note: the product continues to innovate and the performance continues to improve. This parameter description is for reference only.