Brand:SAJ
Model:water pump type
Characteristics
1.This kind of Speed Regulator is designed for energy conversation of water pump under constant press
2.PID inside, powerful energy conversation software
3.Clocking function of multiple spot pressure according to different one-to-one period
4.High efficiency of energy conservation from 20% to 60% (variable with the different working situation)
5.Easy to manage, excellent protection function, control automatically
6.Extend the utilize life of the equipment, make the power system work stably, reduce the abrasion and failure ratio
7.Soft start-up, function of braking
Application
1.Water Supply System under Constant Pressure
2.Fire-Fighting Equipment
3.Building Water Supply System
4.Environmental Protection Equipment
5.Water Treatment Equipment
6.Environmental Engineering
Specification
Item | Specifications | |
Inverter Capacity Range | 0.4KW~400KW | |
International Protection (IP) Class | IP20 | |
Cooling Method | Forced air cooling, natural cooling | |
Basic Function | Speed tracing, PID control, auto speed compensation, AVR, torque control, overlay control, time control, multi-speed choice, etc | |
Power Supply | Rated Input Voltage and Frequency | Single-phase:220V,Three-phase:380V 50~60Hz |
Allowable Voltage Function | ±20% | |
Allowable Frequency Function | 5% | |
Output Characteristics | Output Voltage | 3-phase:220V±20%/380V±20% (proportional to input voltage) |
Rated Output Frequency | Up to 650Hz available by programming | |
Rated Output Current | From 2.5A to 920A, according to different application | |
Control characteristics | Control Method | 1. Vector Control 2. V/F Control 3. Constant Torque or Power Control |
Frequency Accuracy | Digital command:±0.01% (controlled by the keyboard of the inverter) | |
Analog command: ±0.1% | ||
Frequency Resolution | Digital operator reference: 0.01Hz | |
Analog reference: 0.1Hz | ||
Brake Unit(accessory) | Standard accessory inside for inverter capacity: 18.5KW and over | |
Optional accessory for inverter capacity: 18.5KW and over | ||
Acceleration/Deceleration time of DC Braking | 0.0 to 6553 second (Accel/Decel time setting independently) | |
Braking Voltage | Adjustable range:5%~30% | |
Braking Frequency | Allowable brake range: 0.5~50Hz | |
Braking Time | Adjustable range:0.0~25.0 second | |
Torque Compensation | 0~6% under lower frequency | |
Wiring Distance Between Inverter and Motor | Less than 50 meters (must add reactor when over 55m) | |
Protective Functions | Overload Capacity | G/Z/Y/M/S type: 150% of rated output current for 1 minute |
F/P type: 120% of rated output current for 1 minute | ||
Instantaneous Over-current | G/Z/Y/M/S type: Motor coasts to a stop at approx. 200% of rated output current. | |
F/P type: Motor coasts to a stop at approx. 150% of rated output current. | ||
Heat-sink Overheat | Protected by thermistor and motor coasts to a stop when temperature rises to 80°C | |
Others | Short circuit, under-voltage, overvoltage, lack of phase | |
Control Signal | Analog Input | 0~5V or 10V, 0~20MA (Z type: 0~1A, 0~5V or 10V) |
Analog Output | PWM signal output after filtering, pulse output up to 10V by setting | |
Digital Input | Six group of input terminals covering 99 functions for choice | |
Digital Output | Two group of programmable open-loop output and one group of programmable relay output covering 93 functions for choice | |
Communication Interface | RS-485 Interface | Control the motor up to 99 units by one inverter |
Display Function | Output current, input/output power capacity, power factory/coefficient, time, etc. | |
Environment | Ambient Temperature | 10°C~50°C (keep out of direct sunlight) |
Humidity | 90% RH or less | |
Location | Indoor (protected from corrosive gases and dust) | |
Elevation | 1000m or less | |
Vibration | 0.5G or less | |


