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100 hp (75KW) Soft Starter, 240V/380V/480V

100 hp (75KW) Soft Starter, 240V/380V/480V
100 hp (75KW) Soft Starter, 240V/380V/480V
100 hp (75KW) Soft Starter, 240V/380V/480V
100 hp (75KW) Soft Starter, 240V/380V/480V
100 hp (75KW) Soft Starter, 240V/380V/480V
  • Stock: In Stock
  • Model: PEACO-ZJR2-3750
Ex Tax: $1,054.57

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100 hp (75 kW) soft starter features three-phase 220V, 380V, 400V, 480V, 690V input voltages, 150A of rated current. A cost-efficient AC motor soft starter provides high performance with over-voltage, over-heat, overload, etc. protections and makes a motor smoother and softer start.

Soft Starter User Manual: Peaco Support soft starter user manual.pdf


  • Smart start. The intelligent motor soft starter provides various startup modes, including limited current startup mode, voltage ramp startup mode, sudden start mode, current ramp startup, and voltage current limiting double closed-loop startup.
  • Multifunctional operation panel. LCD for soft starter displays parameters, easy to operate.
  • High continuity terminals. Reliable soft starter features high-conductivity terminals made of quality and thickened material and good electrical conductivity is available.
  • Powerful cooling. The motor soft starter provides effective heat dissipation protection, which can reduce the operating temperature quickly.
  • Multiple protections in one machine. The smart motor soft starter is available with overcurrent, overload, overheat, low voltage, high voltage, load short circuit, output phase loss, input phase loss, and three-phase unbalance protections.
  • High and low-temperature resistance. The 100 hp soft starter is made of industrial-grade ABS plastics with high impact and high heat resistance, and stable and good performance.


Product Name: Intelligent Motor Soft Starter

Model: PEACO-ZJR2-3750

Capacity: 100 hp (75 kW)

Current: 150A at 380V

Input Voltage*: Three phase 220V, 240V, 380V, 400V, 415V, 440V, 460V, 480V, 690V

Frequency: 50Hz/ 60Hz

Adaptive Motor: Squirrel-cage three-phase asynchronous motor

Starting Times: It is recommended not to exceed 20 times per hour.

Control Mode

1) Operation panel control.

2) Operation panel + external control.

3) External control.

4) External control + COM control.

5) Operation panel + external + COM control.

6) Operation panel + COM control.

7) COM control.

8) No start or stop operation.

Start Mode

1) Current-limiting to start.

2) Voltage ramp to start.

3) Torque control + current-limiting to start.

4) Torque control + voltage ramp to start.

5) Current ramp to start.

6) Voltage current-limiting double closed-loop start.

Stop Mode

1) Soft stop.

2) Free stop.

Protective Function:

1) Open loop protection for external instantaneous stop terminals.

2) Over-heat protection for soft starters.

3) Protection for too long starting time.

4) Input open phase protection.

5) Output open phase protection.

6) Unbalanced three-phase protection.

7) Starting over current protection.

8) Running overload protection.

9) Under voltage protection for power voltage.

10) Overvoltage protection for power voltage.

11) Protection for fault parameter setting of the soft starter.

12) Load short circuit protection.

13) Auto restart or incorrect wiring protection.

14) Incorrect wiring protection of external control stop terminals.


A place to be used: Indoor location with good ventilation free from corrosive gas and conductive dust.

Altitude: Below 1000M. It has to increase the soft starter rate power when the altitude is more than 1000M.

Temperature: -30℃~+55℃

Humidity: ≤90% RH (without dew condensation)

Vibration: <0.5G


Enclosure: IP 20

Cooling: Natural wind cooling.

Certification: CE, ISO9001

Warranty: 12 months

Outline Dimension (W1*H1*D): 260*530*200mm

Installation Dimension(W2*H2*d): 235*380*M8

Weight: 25 kg

Note: This model of the soft starter is without bypass, you need to connect an external AC contactor. If you want the soft starter with a built-in bypass (an AC contactor inside), please visit here 100 hp (75 kW) Soft Starter with Built-in AC Contactor.

Softer Starter Outline & Installation Dimension (Unit: mm)

Softer Starter Dimension

Soft Start Wiring Diagram

Soft Start Wiring Diagram

Soft Starter Details Presentation

  • Simple control panel. The control panel can be removed to clean, easy-to-operate, real-time data display on an LCD screen.
  • Smart mainboard. Soft starter features fast response and multi-functions.
  • Power control transformer. It comes with energy-saving, circulating circuits, and high-quality coils with insulation isolation.
  • Mutual inductor. the mutual inductor makes the soft starter more standard for measuring instruments, protection equipment, and automatic control equipment.

100 hp Soft Starter

Soft Starter Applications

The soft starter well suits motor, water pump, mixer, air compressor, conveyor, gravel crusher, etc.

Soft Starter Applications

Soft Starter Benefits

1. Protect the motor

When the water pump starts, it will produce a large current impact. Soft start can not only reduce the starting current and limit the current impact but also soft-stop the motor, allowing the motor to stop slowly, reducing damage to the electric motor, and extending the life of the equipment.

2. Reduce energy consumption

A high starting current will damage the motor but also consume more energy. Soft start can reduce current impact during startup, decrease energy consumption, and reduce usage costs.

3. Improve work efficiency

Water pumps with many hard starts can easily cause insufficient grid capacity, which will cause voltage drops and affect the normal operation of the motor. Motor soft start can effectively control the starting current and voltage fluctuations, reduce voltage sag amplitude, reduce high-order harmonic content, etc. Therefore, the motor soft starter can improve work efficiency, it ensures the safety and stability of the equipment as well.

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