Siemens Micromaster 440 0.75kW VFD 6SE6440-2UD17-5AA1 Inverter

Description

The Siemens Micromaster 440 (MM440) 6SE6440-2UD17-5AA1 is a compact, high-performance 0.75kW (1HP) Variable Frequency Drive (VFD) engineered for advanced speed regulation, dynamic responsiveness, and torque management of three-phase AC induction motors. Operating as a high-precision frequency converter, it transforms standard 3-phase mains utility AC power into adjustable frequency and voltage output, enabling smooth motor start-ups, precise speed tuning, and high starting torque.

In Bangladesh’s expanding manufacturing and commercial sectors, maintaining operational uptime and protecting automated production lines under fluctuating grid voltage conditions is critical. The Micromaster 440 series meets these expectations by offering high overload capacity, sensorless vector control, and an integrated dynamic braking chopper for rapid stopping cycles. Automation engineers, panel builders, and OEM machinery builders across Bangladesh rely on this drive for demanding process applications requiring continuous operational stability.

Key Features

• Advanced Sensorless Vector Control: Delivers precise torque and speed management across varying load demands, ensuring maximum starting torque even at low speeds.
• High Overload Capability: Built for heavy-duty industrial tasks, delivering up to 150% output current for 60 seconds and 200% for 3 seconds.
• Integrated Dynamic Braking Chopper: Includes an internal braking resistor driver for fast stopping cycles and high-inertia load braking.
• Comprehensive Flexible I/O Layout: Equipped with 6 digital inputs, 2 analog inputs, 2 analog outputs, and 3 programmable relay outputs for versatile PLC and sensor integration.
• Multi-Protocol Fieldbus Support: Integrated RS485/USS communication interface with expansion capabilities for PROFIBUS DP, DeviceNet, and CANopen option modules.

Technical Advantages

• High Energy & Conversion Efficiency: Operates with high conversion efficiency (~96%) and a 0.95 power factor, significantly lowering heat build-up inside control enclosures and cutting electricity bills.
• Durable Industrial Construction: Frame Size A enclosure with IP20 protection, engineered for continuous operation in demanding factory environments.
• Comprehensive Protection System: Features integrated defenses against overvoltage, under-voltage, overcurrent, motor thermal overload (I²t / PTC interface), short circuits, and earth faults.
• Substantial Energy Savings: Achieves up to 30%–50% reduction in electricity consumption on variable torque applications (pumps and fans) compared to direct-on-line (DOL) starters.
• Easy Parameterization & Diagnostics: Configurable via optional Basic Operator Panels (BOP), Advanced Operator Panels (AOP), or PC-based STARTER commissioning software.

Applications

• Industrial Manufacturing: Drives small conveyors, packaging machinery, sorting tables, labeling units, and material handling systems.
• Textile & Garments Industry: Controls yarn winders, spinning equipment, cloth inspection machines, and small dyeing vats across Bangladeshi mills.
• Factory Utilities & Machinery: Manages small air compressors, exhaust blowers, dosing pumps, and automated feeders.
• Commercial HVAC & Building Utilities: Ideal for supply and exhaust blowers, air handling units, and small booster pumps.
• Project Installations: Applied in municipal water schemes, effluent treatment plants (ETP), OEM machine manufacturing, and panel building projects across Bangladesh.

Why Choose This Product?

• Siemens World-Class Engineering: Built by Siemens, a global leader in power and industrial automation technology, ensuring long service life and field stability.
• Unmatched Dynamic Performance: High starting torque and fast transient speed adjustment protect motor shafts, couplings, and mechanical equipment from shock loads.
• Cost-Effective System Integration: Integrated dynamic braking chopper and flexible software functionality eliminate the need for extra external panel components.
• After-Sales Support: Backed by authentic product sourcing, technical expertise, and local customer service through loopshop.com.bd.

Technical Specification Table

Features List

✓ High Overload capacity (150% for 60s, 200% for 3s) for heavy-duty starting

✓ Advanced sensorless vector control for high torque accuracy

✓ Built-in dynamic braking chopper for rapid dynamic stopping

✓ Flexible I/O layout with 6 digital inputs, 2 analog inputs, and 2 analog outputs

✓ Integrated RS485 communication with optional PROFIBUS DP expansion

✓ High operational efficiency with integrated motor thermal overload protection

Benefits For Customers

• Reduces Electricity Cost: Matches motor speed directly to actual load demand, eliminating energy waste during partial-load conditions.
• Improves Operational Reliability: Soft starting capabilities prevent line current surges and mechanical shocks to connected couplings during startup.
• Saves Maintenance Cost: Extends mechanical equipment service life (belts, bearings, gearboxes) through smooth acceleration and deceleration ramps.
• Suitable for Bangladesh Environment: Rated for operation up to 50°C to handle demanding ambient conditions in Bangladeshi factories.

Installation & Maintenance Guide

Installation Requirements:

• Mount vertically on a flat, non-combustible surface inside a well-ventilated, dust-protected electrical control panel.
• Maintain adequate free cooling clearance (top, bottom, and front) to ensure unrestricted airflow through the heat sink.
• Verify mains power supply matches 380V-480V 3-Phase specifications before terminating electrical connections.
• Earth the drive enclosure securely using a dedicated protective copper conductor to guarantee EMC compliance and operator safety.

Maintenance Tips:

• Periodically clear dust and debris from cooling fins using clean, dry compressed air to prevent thermal fault trips.
• Inspect terminal connection screws for correct torque tightness during routine plant shutdowns to prevent high-resistance joints.
• Keep control cabinet doors tightly closed and clean air intake filters regularly to prevent atmospheric contamination.

Safety Instructions:

• Disconnect main AC input supply and wait at least 5 minutes for internal DC link capacitors to discharge fully before touching wiring.
• Installation, parameter programming, and servicing must only be performed by qualified electrical engineers or automation technicians.
• Do not conduct high-voltage megger or insulation resistance testing directly across drive power terminals.

Frequently Asked Questions (FAQ)

Q: What is the price of Siemens Micromaster 440 0.75kW VFD in Bangladesh?

A: The price of the Siemens Micromaster 440 6SE6440-2UD17-5AA1 0.75kW VFD in Bangladesh depends on current stock availability and import rates. Please check loopshop.com.bd or contact our sales team for updated pricing.

Q: Where can I buy original Siemens Micromaster 440 0.75kW VFD in Bangladesh?

A: You can purchase genuine Siemens Micromaster 440 series drives online directly at loopshop.com.bd with reliable delivery across Bangladesh.

Q: What warranty does this product have?

A: This product carries standard supplier warranty protection against production defects. Contact loopshop.com.bd customer service for specific warranty terms.

Q: Is this suitable for Bangladesh climate?

A: Yes, it is rated for operating temperatures from -10°C up to +50°C, making it well-suited for industrial factory environments in Bangladesh.

Q: How to install this product?

A: Mount the VFD vertically inside a cabinet, connect 3-phase AC input lines and motor output cables, earth the unit properly, and configure parameters using a BOP/AOP keypad or STARTER software.

Q: Does the 6SE6440-2UD17-5AA1 include an internal braking chopper?

A: Yes, this model features an integrated dynamic braking chopper, allowing direct connection of an external braking resistor for rapid deceleration.

Q: What is the rated output current of this 0.75kW Siemens VFD?

A: The 6SE6440-2UD17-5AA1 delivers a nominal rated output current of 2.2A under 380V-480V 3-phase operation.

Q: Can this drive handle high-torque starting loads?

A: Yes, it features a High Overload rating capable of delivering 150% current for 60 seconds and 200% for 3 seconds.

Q: Does this drive support PROFIBUS communication?

A: Yes, it supports PROFIBUS DP and DeviceNet communication protocols via optional plug-in fieldbus modules.

Q: What supply voltage is required for this Siemens drive?

A: It requires a 3-phase AC mains supply ranging between 380Vac and 480Vac (±10%) at 47 to 63 Hz.