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Siemens 6SE9521-7DC40 MICROMASTER ECO IP20 Variable Torque VFD

Siemens 6SE9521-7DC40 MICROMASTER ECO VFD.

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ManufacturerSiemens

Part number6SE9521-7DC40

Part Number 6SE9521-7DC40

Manufacturer Siemens

Series MICROMASTER ECO

Power 7.5 kW (Variable Torque)

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7.5kW variable torque VFD 380-500V AC input IP20 protection Unfiltered design Energy efficient motor control Compact size

Product description

The Siemens 6SE9521-7DC40 is a MICROMASTER ECO series variable frequency drive (VFD) with an IP20 protection rating. It is designed for variable torque applications, rated for 7.5kW, and operates on a 3-phase AC input of 380-500V, ±10%. This unit is unfiltered and suitable for general-purpose motor speed control.

This VFD is ideal for applications where the torque requirement varies, such as pump and fan control, providing energy savings through precise speed regulation. The IP20 rating allows for installation in control panels, protecting it from environmental contaminants.

Stanlo Automation, a veteran-owned surplus distributor, offers the Siemens 6SE9521-7DC40. We are committed to providing reliable surplus industrial automation components to meet your MRO needs.

Technical specifications

Part Number	6SE9521-7DC40
Manufacturer	Siemens
Series	MICROMASTER ECO
Power	7.5 kW (Variable Torque)
Input Voltage	380-500V 3AC
Protection	IP20
Dimensions	215 x 185 x 195 mm (H x W x D)
Frequency	47-63 Hz

Common applications

Pumps

Fans

HVAC systems

Water management

Industrial ventilation

Material handling

Compatible systems

3-phase AC motors (variable torque applications)

Also known as

Siemens 6SE9521-7DC40 MICROMASTER ECO VFD Siemens 7.5kW VFD

Replaces / compatible with

This VFD is part of the MICROMASTER ECO series, designed for variable torque applications to efficiently control motor speed.

Technical note

Expert tip

The unfiltered design of this VFD requires consideration for potential harmonic distortion, especially in applications with long motor cable runs or sensitive electrical environments.

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Frequently asked questions

What is the operating temperature range for the Siemens 6SE9521-7DC40 VFD?

The Siemens 6SE9521-7DC40 MICROMASTER ECO VFD is designed to operate within an ambient temperature range of 0 to +50 degrees Celsius. Proper ventilation within its enclosure is recommended for optimal performance.