Siemens 6SE6440-2UD37-5FB1 MICROMASTER 440 Drive
Manufacturer: Siemens
Product Family: MICROMASTER 440 / MM440
Product Type: Variable Frequency Drive / Frequency Inverter
Order Number: 6SE6440-2UD37-5FB1
Product Status: Spare Part
Filter Configuration: Without Integrated Filter
Input Supply: 3 AC 380–480 V +10/-10%
Line Frequency: 47–63 Hz
Constant Torque Power: 75 kW
Square-Law Torque Power: 90 kW
Overload Capability: 150% for 60 s; 200% for 3 s
Protection Degree: IP20
Ambient Temperature: -10°C to +50°C
Dimensions, H × W × D: 850 × 350 × 320 mm
Operator Panel: Without AOP/BOP
- Band:Siemens
- Condition: Brand new / Original
- Stock: In stock
- Delivery: 3 - 7 days
- Warranty: 12 months
The Siemens 6SE6440-2UD37-5FB1 is a high-power MICROMASTER 440 variable frequency drive designed for industrial three-phase motor applications. It is rated at 75 kW for constant torque operation and 90 kW for suitable square-law torque loads, supporting demanding motor control requirements in existing industrial equipment.
Configured without an integrated filter for 3 AC 380–480 V supply systems, this drive may be required for heavy conveying equipment, pump and fan installations, production machinery, material processing systems and plant maintenance projects involving an installed MM440 unit.
Because this model is intended for higher-power applications, accurate replacement review should include the complete Siemens order number, motor duty, cabinet dimensions, wiring arrangement and any existing control or operator-panel requirements. Submit your product details to request quotation or replacement support.

Q1: What is the rated power of Siemens 6SE6440-2UD37-5FB1?
A: This MICROMASTER 440 drive is rated at 75 kW for constant torque applications and 90 kW for suitable square-law torque applications.
Q2: What dimensions apply to this 75 kW MM440 drive?
A: Siemens lists the dimensions as 850 × 350 × 320 mm in height × width × depth format.
Q3: Does this drive include an operator panel?
A: This product configuration is listed without AOP/BOP. Required operator-panel accessories should be confirmed separately.
FAqS
Yes, all products supplied are brand new and original, with reliable quality for industrial automation applications.
Stock availability may vary depending on the model and order quantity. Please contact us for the latest inventory status.However, our inventory levels have consistently remained above ten million yuan.
Yes, we support international shipping to most countries and regions worldwide.
Yes, door-to-door delivery service is available through international express logistics partners.
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