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SIEMENS MICROMASTER 440 AC Inverters

The MICROMASTER 440 inverter is suitable for a variety of variable-speed drive applications. Its flexibility provides for a wide spectrum of applications. These also include cranes and hoisting gear, high-bay warehouses, production machines for food, beverages and tobacco, packaging machines etc.; i.e. applications which require the frequency inverter to have a higher functionality and dynamic response than usual.

The inverter is especially characterized by its customer-oriented performance and ease-of-use. Its large mains voltage range enables it to be used all over the world.

Main characteristics
  • Easy, guided start-up
  • Modular construction allows maximum configuration flexibility
  • Six programmable isolated digital inputs
  • Two scaleable analog inputs (0 V to 10 V, 0 mA to 20 mA) can also be used as a 7th/8th digital input
  • Two programmable analog outputs (0 mA to 20 mA)
  • Three programmable relay outputs (30 V DC/5 A, resistive load; 250 V AC/2 A, inductive load)
  • Low-noise motor operation thanks to high pulse frequencies, adjustable (observe derating if necessary)
  • Protection for motor and inverter
Series Name: MICROMASTER 440
MICROMASTER 440
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Product Keywords: MICROMASTER 440
Mechanical features
  • Modular design
  • Operating temperature
    • 0.12 kW to 75 kW: -10 °C to +50 °C (+14 °F to +122 °F)
    • 90 kW to 200 kW: 0 °C to +40 °C (+32 °F to +104 °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 on detachable I/O board
Performance featuresMICROMASTER 440 Inverter
  • Latest IGBT technology
  • Digital microprocessor control
  • High-quality Vector Control system
  • 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)
  • Torque control
  • Flying restart
  • Slip compensation
  • Automatic restart following mains failure or fault
  • User-definable function blocks for logic and arithmetic operations
  • Kinetic buffering
  • Positioning ramp down
  • High-grade PID controller for simple internal process control (autotuning)
  • 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 two high-resolution 10-bit analog inputs
  • Compound braking for controlled rapid braking
  • Integrated brake chopper (only for 0.12 kW to 75 kW inverters)
  • Four skip frequencies
  • Removable “Y” capacitor for use on IT mains supplies (with non-grounded mains supplies, the “Y” capacitor must be removed, and an output choke installed)
Protection features
  • Overload capability
    • CT mode
      0.12 kW to 75 kW:
      Overload current 1.5 x rated output current (i.e. 150 % overload capability) for 60 s, cycle time 300 s,
      and 2 x rated output current (i.e. 200 % overload capability) for 3 s, cycle time 300 s
      90 kW to 200 kW:
      Overload current 1.36 x rated output current (i.e. 136 % overload capability) for 57 s, cycle time 300 s,
      and 1.6 x rated output current (i.e. 160 % overload capability) for 3 s, cycle time 300 s
    • VT mode
      5.5 kW to 90 kW:
      Overload current 1.4 x rated output current (i.e. 140 % overload capability) for 3 s,
      and 1.1 x rated output current (i.e. 110 % overload capability) for 60 s, cycle time 300 s
      110 kW to 250 kW:
      Overload current 1.5 x rated output current (i.e. 150 % overload capability) for 1 s,
      and 1.1 x rated output current (i.e. 110 % overload capability) for 59 s, cycle time 300 s
  • Overvoltage/undervoltage protection
  • Inverter overtemperature protection
  • Special direct connection for PTC or KTY to protect the motor
  • Earth fault protection
  • Short-circuit protection
  • I2t motor thermal protection
  • Locked motor protection
  • Stall prevention
  • Parameter interlock

TECHNICAL DATA

MICROMASTER 440

Mains voltage and power ranges

CT (constant torque)

VT (variable torque)

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 45 kW

5.5 kW to 55 kW

380 V to 480 V 3 AC  ±10 %

0.37 kW to 200 kW

7.5 kW to 250 kW

500 V to 600 V 3 AC  ±10 %

0.75 kW to 75 kW

1.5 kW to 90 kW

Input frequency

47 Hz to 63 Hz

Output frequency

in V/f mode

for inverter 0.12 kW to 75 kW

0 … 650 Hz, (limitation to 550 Hz in production to comply with legal requirements) 1)

for inverter 90 kW to 200 kW

0 Hz to 267 Hz

in vector mode

for inverter 0.12 kW to 75 kW

0 Hz to 200 Hz

for inverter 90 kW to 200 kW

0 Hz to 200 Hz

Power factor

≥ 0.95

Inverter efficiency

0.12 kW to 75 kW: 96 % to 97 %; 90 kW to 200 kW: 97 % to 98 %
(Further information is available on the Internet at:
Overload capability

CT mode

for inverter 0.12 kW to 75 kW

Overload current 1.5 x rated output current (i.e. 150 % overload capability) for 60 s, cycle time 300 s, and 2 x rated output current (i.e. 200 % overload capability) for 3 s, cycle time 300 s

for inverter 90 kW to 200 kW

Overload current 1.36 x rated output current (i.e. 136 % overload capability) for 57 s, cycle time 300 s, and 1.6 x rated output current (i.e. 160 % overload capability) for 3 s, cycle time 300 s

Overload capability

VT mode

for inverter 5.5 kW to 90 kW

Overload current 1.4 x rated output current (i.e. 140 % overload capability) for 3 s, and 1.1 x rated output current (i.e. 110 % overload capability) for 60 s, cycle time 300 s

for inverter 110 kW to 250 kW

Overload current 1.5 x rated output current (i.e. 150 % overload capability) for 1 s, and 1.1 x rated output current (i.e. 110 % overload capability) for 59 s, cycle time 300 s

Inrush current

not higher than rated input current

Control method

Vector control, torque control, linear V/f characteristic; quadratic V/f characteristic; multipoint characteristic (programmable V/f characteristic); flux current control (FCC)

Pulse frequency

for inverter 0.12 kW to 75 kW

4 kHz (standard); 16 kHz (standard with 230 V inverters 0.12 kW to 5.5 kW)
2 kHz to 16 kHz (in 2 kHz steps)

for inverter 90 kW to 200 kW

2 kHz (standard with VT mode); 4 kHz (standard with CT mode)
2 kHz to 4 kHz (in 2 kHz steps)

Fixed frequencies

15, programmable

Skip frequency ranges

4, programmable

Setpoint resolution

0.01 Hz digital
0.01 Hz serial
10 bit analog

Digital inputs

6 fully programmable isolated digital inputs; switchable PNP/NPN

Analog inputs

2 programmable analog inputs

  • 0 V to 10 V, 0 mA to 20 mA and -10 V to +10 V (AIN1)
  • 0 V to 10 V and 0 mA to 20 mA (AIN2)
  • both can be used as 7th/8th digital input

Relay outputs

3, programmable
30 V DC/5 A (resistive load)
250 V AC/2A (inductive load)

Analog outputs

2, programmable (0/4 mA to 20 mA)

Serial interfaces

RS-485, optional RS-232

Motor cable lengths

Without output choke

for inverter 0.12 kW to 75 kW

max. 50 m (shielded)
max. 100 m (unshielded)

for inverter 90 kW to 250 kW

max. 200 m (shielded)
max. 300 m (unshielded)

With output choke

see variant dependent options

Electromagnetic compatibility (see Selection and Ordering Data)

EMC filter, Class A or Class B to EN 55 011 available as an option
Inverter with internal filter Class A available

Braking

Resistance braking with DC braking, compound braking, integrated brake chopper (integrated brake chopper only with 0.12 kW to 75 kW inverters)

Degree of protection

IP20

Operating temperature (without derating)

for inverter 0.12 kW to 75 kW

CT: -10 °C to +50 °C (+14 °F to +122 °F)
VT: -10 °C to +40 °C (+14 °F to +104 °F)

for inverter 90 kW to 200 kW

0 °C to +40 °C (+32 °F to +104 °F)

Storage temperature

-40 °C to +70 °C (-40 °F to +158 °F)

Relative humidity

95 % (non-condensing)

Installation altitude

for inverter 0.12 kW to 75 kW

up to 1000 m above sea level without derating

for inverter 90 kW to 200 kW

up to 2000 m above sea level without derating

Standard SCCR
(Short Circuit Current Rating) 2)

FSA, FSB, FSC: 100 kA
FSD, FSE, FSF, FSFX, FSGX: 65 kA

Protection features for

Undervoltage, overvoltage, overload, earth faults, short-circuits, stall prevention, locked motor protection, motor overtemperature, inverter overtemperature, parameter change protection

Compliance with standards

uL, c uL, CE, c-tick

CE marking

Conformity with low-voltage directive 73/23/EEC

Main characteristics
■ Easy, guided start-up
■ Modular construction allows maximum configuration flexibility
■ Six programmable isolated digital inputs
■ Two scaleable analog inputs (0 V to 10 V, 0 mA to 20 mA) can also be used as a 7th/8th digital input
■ Two programmable analog outputs (0 mA to 20 mA)
■ Three programmable relay outputs (30 V DC/5 A resistive load; 250 V AC/2A inductive load)

SIEMENS MICROMASTER 440 SELECTION AND ORDERING DATA

Part numberPowerStockCOOPrice
 380-480V 3ac without filter
6SE6440-2UD23-0BA13kwIN STOCK NOWGermany
6SE6440-2UD24-0BA14kwIN STOCK NOWGermany
6SE6440-2UD25-5CA15.5kwIN STOCK NOWGermany
6SE6440-2UD27-5CA17.5KWIN STOCK NOWGermany
6SE6440-2UD31-1CA111KWIN STOCK NOWGermany
6SE6440-2UD31-5DA115KWIN STOCK NOWGermany
6SE6440-2UD31-5DB115KWIN STOCK NOWGermany
6SE6440-2UD31-8DA118KWIN STOCK NOWGermany
6SE6440-2UD31-8DB118KWIN STOCK NOWGermany
6SE6440-2UD32-2DA122KWIN STOCK NOWGermany
6SE6440-2UD32-2DB122KWIN STOCK NOWGermany
6SE6440-2UD33-0EA130KWIN STOCK NOWGermany
6SE6440-2UD33-0EB130KWIN STOCK NOWGermany
6SE6440-2UD33-7EA137KWIN STOCK NOWGermany
6SE6440-2UD33-7EB137KWIN STOCK NOWGermany
6SE6440-2UD34-5FA145KWIN STOCK NOWGermany
6SE6440-2UD34-5FB145KWIN STOCK NOWGermany
6SE6440-2UD35-5FA155KWIN STOCK NOWGermany
6SE6440-2UD35-5FB155KWIN STOCK NOWGermany
6SE6440-2UD37-5FA175KWIN STOCK NOWGermany
6SE6440-2UD37-5FB175KWIN STOCK NOWGermany
6SE6440-2UD38-8FA190KWIN STOCK NOWGermany
6SE6440-2UD38-8FB190KWIN STOCK NOWGermany
6SE6440-2UD41-1FA1110KWIN STOCK NOWGermany
6SE6440-2UD41-1FB1110KWIN STOCK NOWGermany
6SE6440-2UD41-3GA1132KWIN STOCK NOWGermany
6SE6440-2UD41-3GB1132KWIN STOCK NOWGermany
6SE6440-2UD41-6GA1160KWIN STOCK NOWGermany
6SE6440-2UD41-6GB1160KWIN STOCK NOWGermany
6SE6440-2UD42-0GA1200KWIN STOCK NOWGermany
6SE6440-2UD42-0GB1200KWIN STOCK NOWGermany
Part numberPowerStockCOOPrice
 380-480V 3ac withfilter
6SE6440-2AD22-2BA12.2KWIN STOCK NOWGermany
6SE6440-2AD23-0BA13KWIN STOCK NOWGermany
6SE6440-2AD24-0BA14KWIN STOCK NOWGermany
6SE6440-2AD25-5CA15.5KWIN STOCK NOWGermany
6SE6440-2AD27-5CA17.5KWIN STOCK NOWGermany
6SE6440-2AD31-1CA111KWIN STOCK NOWGermany
6SE6440-2AD31-5DA115KWIN STOCK NOWGermany
6SE6440-2AD31-8DA118.5KWIN STOCK NOWGermany
6SE6440-2AD32-2DA122KWIN STOCK NOWGermany
6SE6440-2AD33-0EA130KWIN STOCK NOWGermany
6SE6440-2AD33-7EA137KWIN STOCK NOWGermany
6SE6440-2AD34-5FA145KWIN STOCK NOWGermany
6SE6440-2AD35-5FA155KWIN STOCK NOWGermany
6SE6440-2AD37-5FA175KWIN STOCK NOWGermany
 380-480V 3ac withfilter
6SE6430-2AD27-5CA07.5KWIN STOCK NOWGermany
6SE6430-2AD31-1CA011KWIN STOCK NOWGermany
6SE6430-2AD31-5CA015KWIN STOCK NOWGermany
6SE6430-2AD31-8DA018.5KWIN STOCK NOWGermany
6SE6430-2AD32-2DA022KWIN STOCK NOWGermany
6SE6430-2AD33-0DA030KWIN STOCK NOWGermany
6SE6430-2AD33-7EA037KWIN STOCK NOWGermany
6SE6430-2AD34-5EA045KWIN STOCK NOWGermany
6SE6430-2AD35-5FA055KWIN STOCK NOWGermany
6SE6430-2AD37-5FA075KWIN STOCK NOWGermany
6SE6430-2AD38-8FA090KWIN STOCK NOWGermany

The MICROMASTER 440 inverter is suitable for a variety of variable-speed drive applications.
Its flexibility provides for a wide spectrum of applications. These also include cranes and hoisting gear, high-bay warehouses, production machines for food, beverages and tobacco, packaging machines etc.; i.e. applications which require the frequency inverter to have a higher functionality and dynamic response than usual.

Options (overview)
  • EMC filter, Class A/B
  • LC filter and sinusoidal filter
  • Line commutating chokes
  • Output chokes
  • Gland plates
  • Basic Operator Panel (BOP) for parameterizing the inverter

MICROMASTER 440 Product Manual

 

Manual & Datasheet

#FileDescriptionDate addedAdded byFile sizeDownloads
1 pdf siemens micromaster 440 series compact manual – 06060209/27/2017 16:23Jack ye13 MB158

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