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Introduction Letter :
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 MicroMaster440 430 420 --Low-Voltage Siemens Inverters - Siemens VFD
Siemens frequency inverters combine the highest technical quality with versatile functionality: from the basic MICROMASTER 420 to the high-performance MICROMASTER 440 with sensorless vector control and a power range up to 250 kW (300 HP). Each individual member of our MICROMASTER family is characterized by its exceptionally simple handling: from installation and commissioning to operator control. Later adaptation to new requirements is simplicity itself.
Each Siemens frequency inverter belonging to the family allows flexible circuit connection of inputs and outputs for optimum link-up of a broad variety of digital and analog signals. With its default factory settings, it is immediately ready for use.
MICROMASTER 440
0.12 to 250 kW / 0.16 to 350 HP, The all-rounder
MICROMASTER 430
7.5 to 250 kW / 10 to 350 HP , The specialist for pumps and fans
MICROMASTER 420
0.12 to 11 kW / 0.16 to 15 HP , The universal inverter
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 MICROMASTER 420
The Universal Inverter for Every Challenge
You need a frequency inverter which can be adapted to your individual requirements without any great effort? No problem for our MICROMASTER 420 – the universal inverter for 3-phase networks and optional field-bus connection. Thanks to its modular design, the extensive standard functions can be supplemented with a wide variety of options. And you do not even need tools, as the operator panels and the communications modules can be simply plugged in. Screwless control terminals – as with the rest of the family – make terminal connection childs play.
Typical Uses
Conveyor systems, material transport, pumps, fans, mechanical engineering.
MICROMASTER 420 – Technical Data
| Voltage and power ranges |
200-240 V, ± 10%, 1 AC, 0.12 to 3 kW (0.16 to 4 HP)
200-240 V, ± 10%, 3 AC, 0.12 to 5.5 kW (0.16 to 7.5 HP)
380-480 V, ± 10%, 3 AC, 0.37 to 11 kW (0.5 to 15 HP) |
| Operating temperature |
-10 °C to +50 °C |
| Process control |
Internal PI controller |
| Types of control |
FCC (Flux Current Control), multipoint characteristic (parameterizable V/f characteristic), V/f characteristic |
| Inputs |
3 digital inputs, 1 analog input |
| Outputs |
1 analog output, 1 relay output |
| Link-up to automation |
The ideal partner for your automation needs, from connection to SIMATIC S7-200 to integration in TIA with SIMATIC and SIMOTION. |
MICROMASTER 420 – the universal inverter with a wide variety of features for improved drive performance. |
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 MICROMASTER 430
The Specialist for Pumps and Fans
Every task performed by a drive system involves its own specific requirements. There is therefore a demand for inverter solutions that can be easily and flexibly adapted to cope with the broadest variety of challenges. It is exactly this flexibility which characterizes our modular MICROMASTER 430. Specially for use with pumps and fans in industry, it performs a wide variety of tasks in similar applications as well. Compared to the MICROMASTER 420, it features greater power efficiency and has more inputs and outputs as well as an optimized operator panel with switch-over between manual and automatic modes of operation.
Typical Uses
Specially suitable for pumps and fans.
MICROMASTER 430 – Technical Data
| Voltage and power ranges |
380-480 V, ± 10%, 3 AC, 7.5 to 250 kW (10 to 300 HP) |
| Operating temperature |
-10 °C to +40 °C |
| Process control |
Internal PID controller |
| Types of control |
FCC (Flux Current Control), multipoint characteristic (parameterizable V/f characteristic), V/f characteristic |
| Inputs |
6 digital inputs, 2 analog inputs, 1 PTC/KTY input |
| Outputs |
2 analog outputs, 3 relay outputs |
| Link-up to automation |
The ideal partner for your automation needs, from connection to SIMATIC S7-200 to integration in TIA with SIMATIC and SIMOTION. |
MICROMASTER 430 is economically efficient in terms of both investment and operation. |
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 MICROMASTER 440
The Powerful All-rounder
Even in the world of drives, there are often forces which are difficult to control. Until the most powerful of our frequency inverters enters the field. The MICROMASTER 440 has been specially designed for those applications which require broader functionality and a greater dynamic response than is usually the case. The sophisticated vector control system ensures a uniformly high drive quality, even when sudden load changes occur. Fast response inputs and positioning deceleration ramps allow movement to target positions even without an encoder. Due to an integrated brake chopper, it works with outstanding precision, even during braking and short declaration ramps. All this is possible within a power range starting at 0.12 kW (0.16 HP) and going up to 250 kW (350 HP).
Typical Uses
Numerous applications in areas such as material handling systems, the textile industry, elevators, hoisting gear, mechanical engineering and the food, beverages and tobacco industries.
MICROMASTER 440 – Technical Data
| Voltage and power ranges |
200-240 V, ± 10%, 1 AC, 0.12 to 3 kW (0.16 to 4 HP)
200-240 V, ± 10%, 0.12 to 45 kW (0.16 to 60 HP)
380-480 V, ± 10%, 0.37 to 250 kW (0.5 to 350 HP)
500-600 V, ± 10%, 0.75 to 90 kW (1.0 to 125 HP) |
| Operating temperature |
0.12 to 75 kW (0.16 to 1.0 HP) (CT): -10 °C to +50 °C
90 to 200 kW (125 to 276 HP) (CT): 0 °C to +40 °C |
| Process control |
Internal PID controller (autotuning) |
| Types of control |
Vector control, FCC (Flux Current Control), multipoint characteristic (parameterizable V/f characteristic), V/f characteristic |
| Inputs |
6 digital inputs, 2 analog inputs, 1 PTC/KTY input |
| Outputs |
2 analog outputs, 3 relay outputs |
| Link-up to automation |
The ideal partner for your automation needs, from connection to SIMATIC S7-200 to integration in TIA with SIMATIC and SIMOTION. |
MICROMASTER 440 has everything needed to keep machine wear to a minimum. |
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Parts No.
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Power/Origin
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Parts No.
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Power/Origin
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6SE6430-2UD31-8DA0
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18.5/U.K.
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6SE6430-2UD31-8DB0
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18.5/CN
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6SE6430-2UD32-2DA0
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22/U.K.
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6SE6430-2UD32-2DB0
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22/CN
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6SE6430-2UD33-0DA0
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30/U.K.
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6SE6430-2UD33-0DB0
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30/CN
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6SE6430-2UD33-7EA0
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37/U.K.
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6SE6430-2UD33-7EB0
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37/CN
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6SE6430-2UD34-5EA0
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45/U.K.
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6SE6430-2UD34-5EB0
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45/CN
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6SE6430-2UD35-5FA0
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55/U.K.
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6SE6430-2UD35-5FB0
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55/CN
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6SE6430-2UD37-5FA0
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75/U.K.
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6SE6430-2UD37-5FB0
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75/CN
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6SE6430-2UD38-8FA0
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90/U.K.
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6SE6430-2UD38-8FB0
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90/CN
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6SE6430-2UD41-1FA0
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110/U.K.
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6SE6430-2UD41-1FB0
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110/CN
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6SE6430-2UD41-3FA0
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132/U.K.
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6SE6430-2UD41-3FB0
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132/CN
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6SE6430-2UD41-6GA0
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160/U.K.
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6SE6430-2UD41-6GB0
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160/CN
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6SE6430-2UD42-0GA0
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200/U.K.
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6SE6430-2UD42-0GB0
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200/CN
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6SE6430-2UD42-5GA0
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250/U.K.
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6SE6430-2UD42-5GB0
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250/CN
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Parts No.
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Power/Origin
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Parts No.
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Power/Origin
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6ES6440-2UD31-5DA1
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15/U.K.
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6ES6440-2UD31-5DB1
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15/CN
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6SE6440-2UD31-8DA1
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18.5/U.K.
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6SE6440-2UD31-8DB1
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18.5/CN
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6SE6440-2UD32-2DA1
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22/U.K.
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6SE6440-2UD32-2DB1
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22/CN
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6SE6440-2UD33-0EA1
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30/U.K.
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6SE6440-2UD33-0EB1
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30/CN
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6SE6440-2UD33-7EA1
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37/U.K.
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6SE6440-2UD33-7EB1
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37/CN
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6SE6440-2UD34-5FA1
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45/U.K.
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6SE6440-2UD34-5FB1
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45/CN
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6SE6440-2UD35-, 5FA1
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55/U.K.
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6SE6440-2UD35-5FB1
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55/CN
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6SE6440-2UD37-5FA1
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75/U.K.
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6SE6440-2UD37-5FB1
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75/CN
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6SE6440-2UD38-8FA1
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90/U.K.
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6SE6440-2UD38-8FB1
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90/CN
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6SE6440-2UD41-1FA1
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110/U.K.
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6SE6440-2UD41-1FB1
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110/CN
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6SE6440-2UD41-3GA1
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132/U.K.
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6SE6440-2UD41-3GB1
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132/CN
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6SE6440-2UD41-6GA1
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160/U.K.
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6SE6440-2UD41-6GB1
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160/CN
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6ES6440-2UD42-0GA1
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200/U.K.
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6ES6440-2UD42-0GB1
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200/CN
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Contact us now for special price!
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