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Siemens MICROMASTER ECO 6SE9521-3DC40 Variable Torque Drive

Name: Siemens 6SE9521-3DC40
Brand: Siemens
SKU: 6SE9521-3DC40
Availability: InStock

Siemens MICROMASTER ECO 6SE9521-3DC40 5.5kW variable torque drive.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

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ManufacturerSiemens

Part number6SE9521-3DC40

Series MICROMASTER ECO

IP Rating IP20

Input Voltage 380-500 V AC (±10%)

Frequency 47-63 Hz

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Response within 1 business hour

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12-month warranty

All units tested

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Same-day dispatch

Order by 2pm CST

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Worldwide delivery

US, EU, Asia, Middle East

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Veteran-owned

CAGE: 9NK75

Variable torque control 5.5 kW power rating 380-500V AC input IP20 enclosure Unfiltered design Compact dimensions

Product description

The Siemens 6SE9521-3DC40 is a MICROMASTER ECO variable torque drive designed for demanding industrial applications. This unit is IP20 rated and suitable for a 3-phase input voltage of 380-500V AC (±10%) at 47-63 Hz. It is rated for a variable torque output of 5.5 kW.

This drive is ideal for applications where the motor load varies, such as pumps and fans, offering energy savings and precise control. Its compact dimensions (215 x 185 x 195 mm H x W x D) and operating temperature range of 0 to +50 °C make it suitable for integration into various control cabinets and systems.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 6SE9521-3DC40. Power your variable torque applications with this reliable and efficient drive. We provide access to essential industrial automation components to keep your operations running smoothly.

Technical specifications

Series	MICROMASTER ECO
IP Rating	IP20
Input Voltage	380-500 V AC (±10%)
Frequency	47-63 Hz
Output Power	5.5 kW (Variable Torque)
Dimensions (H x W x D)	215 x 185 x 195 mm
Operating Temperature	0 to +50 °C
Filter	Unfiltered

Common applications

Pump control

Fan control

Conveyor systems

HVAC systems

Variable speed applications

Compatible systems

Three-phase induction motors Siemens PLC systems Industrial control panels

Also known as

Siemens ECO Drive MICROMASTER 5.5kW Siemens VFD

Replaces / compatible with

Replaces older Siemens variable speed drives requiring similar power and voltage ratings. Compatible with various motor types and control systems.

Technical note

Expert tip

This drive is unfiltered; ensure that your system design accounts for potential harmonic distortion or consider adding an external filter if required by local regulations or sensitive equipment.

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Frequently asked questions

What is the power rating and voltage range for the Siemens 6SE9521-3DC40 MICROMASTER ECO drive?

The Siemens 6SE9521-3DC40 MICROMASTER ECO drive has a power rating of 5.5 kW for variable torque applications. It operates with an input voltage range of 380-500 V AC (±10%) at frequencies between 47-63 Hz.