Siemens
Siemens MICROMASTER 440 VFD 55kW (75 HP)
Siemens MICROMASTER 440 VFD, 55kW, 380-480V, with filter.
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12-Mo Warranty
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🎖 Veteran-Owned
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12-month warranty
All units tested
Same-day dispatch
Order by 2pm CST
Worldwide delivery
US, EU, Asia, Middle East
Veteran-owned
CAGE: 9NK75
55 kW constant torque output
Built-in Class A filter
Wide voltage range (380-480V)
High overload capacity
Precise motor control
IP20 rated
Product description
The Siemens MICROMASTER 440 (6SE6440-2AD35-5FA1) is a high-performance variable frequency drive (VFD) capable of 55 kW constant torque output and 75 kW square-law torque output. It operates on 380-480V 3-phase AC power with a built-in Class A filter.
This VFD is ideal for a wide range of applications requiring precise motor speed control, including pumps, fans, compressors, conveyors, and general machinery in industries like water treatment, HVAC, and material handling.
Stanlo Automation, a veteran-owned surplus distributor, offers the Siemens 6SE6440-2AD35-5FA1. Secure reliable automation components for your facility with our expert service and competitive pricing.
Technical specifications
| Power | 55 kW (Constant Torque) / 75 kW (Square-law Torque) |
| Input Voltage | 380-480V 3 AC |
| Frequency | 47-63 Hz |
| Filter | Class A |
| Overload | 150% (60s), 200% (3s) |
| Dimensions | 1150x350x320 mm |
| Protection | IP20 |
| Ambient Temp | -10 to 50°C |
Common applications
Pumps
Fans
Conveyors
Compressors
HVAC
Water Treatment
Material Handling
Compatible systems
3-phase AC Motors
Siemens PLC systems
Industrial automation networks
Also known as
Siemens MICROMASTER 440 55kW
Siemens 6SE6440
Replaces / compatible with
Direct replacement for previous Siemens MICROMASTER 440 drives of the same rating. Compatible with various motor types.
Technical note
Expert tip
Ensure proper line notching and grounding for the integrated Class A filter to effectively suppress electromagnetic interference.What happens next?
1
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2
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3
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Frequently asked questions
What is the maximum power output for the Siemens 6SE6440-2AD35-5FA1 MICROMASTER 440 drive?
The Siemens 6SE6440-2AD35-5FA1 MICROMASTER 440 drive provides a constant torque output of 55 kW and a square-law torque output of 75 kW. This makes it suitable for a broad range of motor applications.