Siemens MICROMASTER 440 High-Performance AC Drive (6SE6440-2AD33-7EA1), 3-Phase output, 75 A rated current, Frame Size FSE, with integrated Class A EMC filter, IP20 cubicle-mount heavy-duty motor controller

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Siemens MICROMASTER 440 High-Performance AC Drive (6SE6440-2AD33-7EA1), 3-Phase output, 75 A rated current, Frame Size FSE, with integrated Class A EMC filter, IP20 cubicle-mount heavy-duty motor controller Specification

IP Rating
IP20

Humidity %
Max 95% Relative Humidity (non-condensing)

Insulation Material
Polycarbonate High-Grade Industrial Isolation

Efficiency
0.96 Efficiency ( )

Connector Type
I/O Communication Bus Guard Plates

Shape
Tall Booksize Cubicle Form Factor (Frame Size FSE)

Operating Temperature
-10 C to +50 C Celsius (oC)

Feature
Built-In Class A Line EMC Filter & DC Braking

Surface Finish
Matte Industrial Textured Mold Finish

Power Factor
0.95 Power Factor ( )

Mounting Type
Base Vertical Panel / Wall Mount Inside Cubicle

Power Rating
37 kW

Product Type
High-Performance Variable Frequency Drive (VFD)

Application
Vector speed and torque control for heavy industrial machinery

Energy Consumption
37.00 Kilowatt-hour ( KWH)

Output Type
Variable Frequency 3-Phase AC

Color
Industrial Matte Siemens Grey & Slate Black

Dimension (L*W*H)
76.0 cm x 40.0 cm x 35.0 cm Centimeter (cm)

Usage & Applications
Conveyors, mixers, material handling lifts, fans, and pumps

Rated Voltage
380V Volt (V)

Weight
22.00 Kilograms (kg)

Warranty
Standard 12-Month Manufacturer Warranty

Cable Type
Shielded Three-Phase Motor Power Run Cables

Display Type
Headless Base Unit (Supports external BOP/AOP panels)

Size
24.5 cm x 27.5 cm x 65.0 cm

Phase
3-Phase AC Input

Input Voltage
380 Volt (V)

Material
Sheet Metal Frame & Molded Engineering Plastics

Rated Current
72A/87A Input Current Ampere (amp)

Frequency
47 Hertz (HZ)

Conductor
High-Capacity Copper Main Terminals

Connection Type
Heavy-Duty Screw Clamp Power Terminal Blocks

Features
Sensorless Vector Control, Flux Vector, & V/f control

Siemens MICROMASTER 440 High-Performance AC Drive (6SE6440-2AD33-7EA1), 3-Phase output, 75 A rated current, Frame Size FSE, with integrated Class A EMC filter, IP20 cubicle-mount heavy-duty motor controller Trade Information

Minimum Order Quantity
1 Piece

Delivery Time
2 Week

About Siemens MICROMASTER 440 High-Performance AC Drive (6SE6440-2AD33-7EA1), 3-Phase output, 75 A rated current, Frame Size FSE, with integrated Class A EMC filter, IP20 cubicle-mount heavy-duty motor controller

Regulate large-scale industrial motor speeds and torque with high dynamic precision using the Siemens MICROMASTER 440 AC Frequency Inverter Drive (6SE6440-2AD33-7EA1) [6SE6440-2AD33-7EA1]. Belonging to Siemens' high-performance vector-control family, this Frame Size E (FSE) heavy-duty module handles complex automation tasks by executing sensorless vector control, V/f control, and closed-loop flux vector control. The power stage is designed with a dual-rating operational engine to maximize mechanical adaptability across varied production floors:

High Overload (Constant Torque): Rated for 37 kW (50 HP) motor loads yielding a 75 Amp continuous current, capable of sustaining a 150% overload for 60 seconds (or 200% for 3 seconds) within a 300-second cycle. This layout is ideal for cranes, hoists, and heavy conveyors.
Low Overload (Variable / Square-Law Torque): Configurable up to 45 kW (60 HP) yielding a 90 Amp continuous current, running a 110% overload threshold for 60 seconds. This profile is optimized for centrifugal fans and water pump stations.

The core electronic framework is driven by a 3-Phase 380V to 480V AC incoming grid window, integrating a built-in Class A EMC/RFI line filter to actively suppress electromagnetic high-frequency noise emissions from leaking back to nearby PLC controls. Measuring 275 mm wide, 650 mm high, and 245 mm deep, the 22 kg open-chassis IP20-rated hardware module mounts cleanly in standard electrical control cubicles. For distributed communication, it incorporates 6 digital inputs, 2 analog inputs, 2 analog outputs, and 3 programmable relay outputs, supported by an integrated braking chopper to route regenerative energy smoothly through external dynamic brake resistors.

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