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Pumps Modular Variable Frequency Drive Inverter With Variable Speed Drive

Pumps Modular Variable Frequency Drive Inverter With Variable Speed Drive

Pumps Modular Variable Frequency Drive Inverter With Variable Speed Drive
Pumps Modular Variable Frequency Drive Inverter With Variable Speed Drive Pumps Modular Variable Frequency Drive Inverter With Variable Speed Drive

Large Image :  Pumps Modular Variable Frequency Drive Inverter With Variable Speed Drive Get Best Price

Product Details:
Place of Origin: Germany
Certification: CE
Model Number: MICROMASTER 420
Payment & Shipping Terms:
Minimum Order Quantity: 1 PCS
Price: consult for best discount
Packaging Details: original package
Delivery Time: 2-15 days
Payment Terms: T/T, , Western Union,Paypal,, MoneyGram,, L/C
Supply Ability: 100
Detailed Product Description
Applications: Pumps, Fans And Conveyor Systems Type: Variable Speed Drive
Power Frequency: 47 Hz To 63 Hz Power Factor: ≥ 0.95
Braking: DC Braking, Compound Braking Degree Of Protection: IP20
High Light:

variable speed frequency drive


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MICROMASTER 420 inverter

              MICROMASTER 420 Types Variable Frequency Drive Inverter Pumps Inverter


The MICROMASTER 420 inverter is suitable for a variety of variable-speed drive applications.
It is especially suitable for applications for pumps, fans and conveyor systems.

It is the ideal cost-optimized frequency inverter solution. The inverter is especially characterized by its customer-oriented performance and ease-of-use. Its large supply-voltage range enables it to be used all over the world.


The MICROMASTER 420 has a modular design. The operator panels and communication modules can be easily exchanged without requiring any tools.

Main characteristics
  • Easy, guided start-up
  • Modular construction allows maximum configuration flexibility
  • Three fully programmable isolated digital inputs
  • One scalable analog input (0 V to 10 V) can also be used as a 4th digital input
  • One programmable analog output (0 mA to 20 mA)
  • One programmable relay output
    30 V DC/5 A, resistive load
    250 V AC/2 A, inductive load
  • Low-noise motor operation through high pulse frequency, adjustable (observe derating if necessary)
  • Complete inverter and motor protection
Mechanical features
  • Modular design
  • Operating temperature: -10 °C to +50 °C (+14 °F to +122 °F)
  • Compact housing as a result of high power density
  • Easy cable connection, mains and motor connections are separated for optimum electromagnetic compatibility
  • Detachable operator panels
  • Screwless control terminals
Performance features
  • Latest IGBT technology
  • Digital microprocessor control
  • Flux current control (FCC) for improved dynamic response and optimized motor control
  • Linear V/f characteristic
  • Quadratic V/f characteristic
  • Multipoint characteristic (programmable V/f characteristic)
  • Flying restart
  • Slip compensation
  • Automatic restart facility following mains failure or fault
  • Internal PI controller for simple process control
  • Programmable acceleration/deceleration, 0 s to 650 s
  • Ramp smoothing
  • Fast current limit (FCL) for trip-free operation
  • Fast, repeatable digital input response time
  • Fine adjustment using a high resolution 10-bit analog input
  • Compound braking for rapid controlled braking
  • Four skip frequencies
  • Removable "Y" capacitor for use on IT systems (with non-grounded mains supplies, the “Y” capacitor must be removed and an output choke installed)

Technical specifications

Technical data


Mains voltage and power ranges



200 V to 240 V 1 AC ±10 % 0.12 kW to 3 kW
200 V to 240 V 3 AC ±10 % 0.12 kW to 5.5 kW
380 V to 480 V 3 AC ±10 % 0.37 kW to 11 kW
Power frequency 47 Hz to 63 Hz
Output frequency 0 ... 650 Hz, (limitation to 550 Hz in production to comply with legal requirements) 1)
Power factor ≥ 0.95
Inverter efficiency 96 % to 97 % (Further information is available on the Internet at:
Overload capability Overload current 1.5 x rated output current (i.e. 150 % overload capability) for 60 s, cycle time 300 s
Inrush current Less than rated input current
Control method Linear V/f characteristic; quadratic V/f characteristic; multipoint characteristic (programmable V/f characteristic); flux current control (FCC)

Pulse frequency


16 kHz (standard with 230 V 1/3 AC)
4 kHz (standard with 400 V 3 AC)
2 kHz to 16 kHz (in 2 kHz steps)
Fixed frequencies 7, programmable
Skip frequency ranges 4, programmable

Setpoint resolution



0.01 Hz digital
0.01 Hz serial
10 bit analog
Digital inputs 3 fully programmable isolated digital inputs; switchable PNP/NPN
Analog input 1, for setpoint or PI controller (0 V to 10 V, scaleable or for use as 4th digital input)
Relay outputs 1, programmable, 30 V DC/5 A (resistive load); 250 V AC/2 A (inductive load)
Analog output 1, programmable (0 mA to 20 mA)
Serial interfaces RS-485, optional RS-232
Motor cable lengths  
  • without output choke


max. 50 m (shielded)
max. 100 m (unshielded)
  • with output choke
see variant dependent options

Electromagnetic compatibility


Inverter available with internal EMC filter Class A; available as options are EMC filters to EN 55 011, Class A or Class B
Braking DC braking, compound braking
Degree of protection IP20
Operating temperature –10 °C to +50 °C (+14 °F to +122 °F)
Storage temperature –40 °C to +70 °C (–40 °F to +158 °F)
Relative humidity 95 % (non-condensing)
Installation altitude Up to 1000 m above sea level without derating
Standard SCCR
(Short Circuit Current Rating) 2)
100 kA


Pumps Modular Variable Frequency Drive Inverter With Variable Speed Drive 0

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Yueqing Richuang Automation Equipment Co.,Ltd

Contact Person: Richuang

Tel: +8618158331966

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