Products Description
The Siemens MICROMASTER 440 (6SE6440-2AD31-1CA1) is a versatile and compact AC drive designed for precise control of standard asynchronous motors. Featuring a built-in Class A filter and a robust design, this drive provides constant torque and reliable operation for industrial applications such as conveyors, pumps, fans, and packaging machinery. Its compact footprint (245 x 185 x 195 mm) allows seamless integration into control panels, while offering superior energy efficiency and motor protection.
Technical specifications

Manufacturer:Siemens
Model Number:6SE6440-2AD31-1CA1
Product Type:MICROMASTER 440 Drive
Number of phases:3 AC
Line voltage:380...480V+10%
Line frequency:47.... 63 Hz
Rated current (LO):33.80 A
Rated current (HO):23.10 A
Number of phases:3 AC
Rated voltage:480 V
Rated power (LO):15.00 kWI 20.00 hp
Rated power (HO):11.00 kW1 15.00 hp
Pulse frequency:4000 Hz
Output frequency for VIf control:0...650 Hz
Key Features
- Built-in Class A EMC Filter – Reduces electromagnetic interference and ensures compliance with industrial standards.
- Wide Voltage Range – Operates on 3AC 380–480 V ±10%, 47–63 Hz.
- Constant Torque Control – Maintains high torque across a wide speed range.
- Overload Capability – 150% for 60 seconds and 200% for 3 seconds, ensuring safe handling of start-up loads.
- Flexible Integration – Compatible with standard motors, easy panel mounting, and optional AOP/BOP interfaces for extended connectivity.
Our Service
✔ Extensive Inventory: 30,000+ high-quality spare parts ready for immediate dispatch.
✔ Professional Support: Dedicated sales managers provide personalized responses, usually within 24 hours.
✔ Fast Delivery: Orders shipped within 3 business days to keep your production on track.
✔ Global Logistics: Reliable shipping worldwide via DHL, FedEx, UPS and TNT.
✔ Quality Assurance: All products come with a 1-year warranty for peace of mind.
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Direct Communication with Vicky
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or through WhatsApp at +86 180 3017 5807 for quick replies and updates.
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