Guangdong, China
Business Type:
Number of Employees:
Year of Establishment:
Management System Certification:
ISO9001:2008, ISO14001:2004
OEM/ODM Service
Sample Available

Genenral Purpose Inverters, Frequency Inverter, Inverter manufacturer / supplier in China, offering Genenral Purpose AC Inverters, Frequency Inverter 50Hz to 60Hz 220V to 380V with MPPT Function, 220V 380V Three Phase AC Frequncy Inverter and so on.

Gold Member Since 2009
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Genenral Purpose AC Inverters

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Min. Order: 10 Pieces
Production Capacity: 50000PCS/Year
Transport Package: Wooden Case
Payment Terms: T/T
Communication: RS 485
Control Mode: Sensorless Vector, V/F, Torque Control
Start Torque: 0.5Hz/150%(SVC)
Multi-Step(8-Steps): Pid, Traverse Control
Specification: 0.75KW-315KW
Trademark: BEDFORD

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Basic Info

Origin: Guangzhou

Product Description

AC Inverters

Product Brief:

B502 series inverter adopts DSP control system which supplies sensorless vector control(SVC) and V/F control. Comparing with V/F control, the performance of SDP has greater superiority, which consists of Built-in SVC and V/F control, it is widely aplied to high speed contro l accuracy, rapid torque response and high performance at low frequency.

Main Features:
* Control mode: Sensorless vector control, V/F control, Torque control
* Start-up torque: 0.5Hz/150%(SVC)
* Built-in breaking unit for 0.4kw to 11kw. If need to stop rapidly, please connect the brake resistance directly.
. Mult-step(8 steps)speed control: PID control, Traverse control
* Offer 4 multi-functional digital inputs, 2 analog inputs, 1 relay output, 1 analog output, 1 open-collector output.
* AVR: Can output constant voltage automatically when input voltage is fluctuating.
* Offer RS485 communication interface.
* Standard Modbus.

B502 series(Output frequency range is 0~400Hz)
Textile machinery, Plastic machinery, Light industry, Pharmacy machinery, Fan, Water Pump, Air compressor, etc.

Power range:
Single phase 220V 0.7HP~3HP(0.4KW~2.2KW)
Three phase 220V 1HP~75HP(0.75KW~55KW)
Three phase 380V 1HP~860HP(0.75KW~630KW)

Technology Features
* Input & Output
Input Voltage Range: 380/220V± 15%
Input Frequency Range: 47~63Hz
Output Voltage Range: 0 ~ rated input voltage
Output Frequency Range: 0 ~ 600Hz
* I/O features
* Programmable Digital Input: Provide 4 terminals which can accept ON-OFF inputs
* Programmable Analog Input: AI1 can accept input of 0~10V or 0/4~20mA.
* Programmable Open Collector Output: Provide 1 output terminal(open collector output or high-speed pulse output)
* Relay Output: Provide 1 output terminal
* Analog Output: Provide 1 analog output terminal, whose output scope can be 0/4~20mA or 0~10V, as chosen.
*Main Control Function
* Control Mode: Sensorless Vector Control(SVC), V/F Control
* Overload Capacity:
60s with 150% of rated current, 10s with 180% of rated current
* Starting Torque: 150% of rated torque at 0.5Hz(SVC)
* Speed Adjusting Range: 1: 100(SVC)
* Speed Accuracy: ± 0.5% of maximum speed(SVC)
* Carrier Frequency: 0.5Hz~15.0Hz
* Reference Frequency Source: Keypad, analog input, serial communication, multi-step speed, PID and so on. The combination of multi-modes and switching between different modes can be realized
* Torque Control Function: Provide multiple torque setting source
* PID control function
* Multi-Step Speed Control Function: 8steps speed can be set
* Traverse Control Function
* Non-stop when power is instantaneously cut off
* Speed trace function: Start the running motor smoothly
* QUICK/JOG key: User defined shortcut key can be realized
* Automatic Voltage Regulation(AVR) Function:
Automatically keep the output voltage stable when input voltage fluctuating
* Up to 25 fault protection:
Protection from over current, over voltage, under voltage, over heat, phase failure and overload etc.

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