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6SE6440-2AD31-1CA1 Siemens MICROMASTER 440 Vector Control Inverter, 11 kW / 26 A with Built-in Class A EMC Filter
  • 6SE6440-2AD31-1CA1 Siemens MICROMASTER 440 Vector Control Inverter, 11 kW / 26 A with Built-in Class A EMC Filter
  • 6SE6440-2AD31-1CA1 Siemens MICROMASTER 440 Vector Control Inverter, 11 kW / 26 A with Built-in Class A EMC Filter
  • 6SE6440-2AD31-1CA1 Siemens MICROMASTER 440 Vector Control Inverter, 11 kW / 26 A with Built-in Class A EMC Filter
  • 6SE6440-2AD31-1CA1 Siemens MICROMASTER 440 Vector Control Inverter, 11 kW / 26 A with Built-in Class A EMC Filter
  • 6SE6440-2AD31-1CA1 Siemens MICROMASTER 440 Vector Control Inverter, 11 kW / 26 A with Built-in Class A EMC Filter
  • 6SE6440-2AD31-1CA1 Siemens MICROMASTER 440 Vector Control Inverter, 11 kW / 26 A with Built-in Class A EMC Filter
  • 6SE6440-2AD31-1CA1 Siemens MICROMASTER 440 Vector Control Inverter, 11 kW / 26 A with Built-in Class A EMC Filter

6SE6440-2AD31-1CA1 Siemens MICROMASTER 440 Vector Control Inverter, 11 kW / 26 A with Built-in Class A EMC Filter

Place of Origin Germany / EU
Brand Name Siemens
Certification COO & COC
Model Number 6SE6440-2AD31-1CA1
Product Details
Packing Size:
420 Mm × 320 Mm × 300 Mm
Shipping Weight:
11 Kg
Shipping:
DHL (default) / FedEx / UPS / TNT / Air / Sea
Customer Courier A/C:
Yes – DHL/FedEx/UPS Account Accepted
Trade Terms:
EXW, DAP, FOB, CIF
Condition:
Brand New And Original
Payment & Shipping Terms
Minimum Order Quantity
1
Price
$220
Delivery Time
3-5 days
Payment Terms
T/T,Alipay,Paypal
Supply Ability
99+
Product Description

Product details pictures

6SE6440-2AD31-1CA1 Siemens MICROMASTER 440 Vector Control Inverter, 11 kW / 26 A with Built-in Class A EMC Filter

Product Overview: Siemens 6SE6440-2AD31-1CA1

Parameter Specification
Brand Siemens
Order Number 6SE6440-2AD31-1CA1
Product Family MICROMASTER 440 (MM440) — general-purpose vector control inverter

Application & Fault Scenarios

Typical Uses: 11 kW MM440 vector control drive for conveyors, mixers, cranes, packaging machines and machine tools; in LO/squared-torque mode also suited to 15 kW fans, pumps and compressors. The built-in Class A filter saves cabinet space and reduces EMC compliance cost. Like-for-like replacement for failed MM440 units.
Common Field Issues:
  • A0503 undervoltage / power fault → check input supply voltage, phase loss, main terminal tightness and precharge circuit; aged DC-link capacitors in long-stored units are a common cause.
  • F0001 overcurrent on start → verify motor cable length/insulation, mechanical jam, P0305 motor nameplate current and acceleration time; check for missing output reactor on long cables.
  • F0002 overvoltage on deceleration → increase ramp-down time or fit a braking resistor; confirm the brake chopper is enabled.
  • F0004/F0005 overtemperature → clean fan and air paths, check cabinet ambient temperature, derating and fan operation.

Related products

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6SE6440-2AD31-5DA1 6SE6440-2AD31-8DA1
6SE6440-2AD32-2DA1 6SE6440-2AD33-0EA1
6SE6440-2AD33-7EA1 6SE6440-2AD34-5FA1
6SE6440-2AD35-5FA1 6SE6440-2AD37-5FA1
6SE6440-2AD38-8FA1 6SE6440-2AD41-1FA1
6SE6440-2UD31-1CA1 6SE6440-2UD31-5DA1
6SE6440-2UE31-1CA1 6SE6440-2UC31-1DA1
6SE6430-2UD31-1CA0 6SE6430-2UD31-5CA0
6SE6400-2FA01-4BC0 6SE6400-3TC03-2CD3

FAQ

Q1: What is the Siemens 6SE6440-2AD31-1CA1?
A: A MICROMASTER 440 vector control inverter, 3AC 380–480 V, 11 kW/26 A constant torque (15 kW/32 A squared torque), IP20, with built-in Class A EMC filter and integrated brake chopper.
Q2: What's the difference between 6SE6440-2AD31-1CA1 and 6SE6440-2UD31-1CA1?
A: Same 11 kW power rating — the "AD" version has a built-in Class A EMC filter; the "UD" version is unfiltered and needs an external filter (e.g., 6SE6400-2FA01-4BC0) to meet emission limits.
Q3: Can it replace my old MM440 11 kW drive?
A: Yes, if the voltage class and power rating match. Verify whether your original unit was filtered (AD) or unfiltered (UD), and back up parameters before swapping.

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