Siemens SINAMICS PM240-2 Power Module 7.5kW

Technical Overview

380-480V 3AC input, 7.5kW (LO) / 5.5kW (HO) output, with built-in Class A filter, braking chopper, IP20, and FSB frame size.

Key Features

Built-in Class A filter for EMC compliance.
Integrated braking chopper for controlled deceleration.
Input voltage: 3AC 380-480V ±10%, 47-63Hz.
Rated output power: 7.5 kW (Low Overload) / 5.5 kW (High Overload).
Protection degree: IP20 / UL open type.
Frame size: FSB.
Cooling: Internal air cooling.
Connection type: Plug-in screw terminals for line side.
Approved for Control Unit firmware version V4.6.
Operating ambient temperature: -10 to +50 °C (HO) / -10 to +40 °C (LO).

Technical Specification Matrix

Parameter	Value
Article number	6SL3210-1PE21-8AL0
Input Voltage	3 AC 380-480 V ±10%
Line Frequency	47-63 Hz
Output Voltage	3 AC 400V IEC / 480V NEC
Rated Power (Low Overload - LO)	7.5 kW (10.00 hp)
Rated Power (High Overload - HO)	5.5 kW (7.50 hp)
Rated Output Current (LO)	18.00 A
Rated Output Current (HO)	13.20 A
Max. Output Current	27.00 A
Pulse Frequency	4 kHz
Output Frequency (Vector Control)	0-200 Hz
Output Frequency (V/f Control)	0-550 Hz
Degree of Protection	IP20 / UL open type
Cooling	Internal air cooling
Ambient Temperature (Operation LO)	-10 to 40 °C
Ambient Temperature (Operation HO)	-10 to 50 °C
Integrated Filter Class	Class A
Braking Chopper	Built-in
Efficiency η	0.97
Frame Size	FSB
Physical Weight (kg)	3.2
Dimensions L x W x H (cm)	18.5 x 11.4 x 36.5

Industrial Applications

1. Conveyor Belt Systems for Material Handling

This power module efficiently controls the speed and torque of motors driving industrial conveyor belts. Its 7.5kW (LO) power rating and integrated braking chopper allow for precise acceleration, variable speed operation, and controlled, rapid deceleration of loaded belts, crucial for optimizing material flow and ensuring safety in manufacturing or logistics.

Problem Solved

Ensures smooth, variable-speed operation and safe, fast stopping of conveyor belts, enhancing operational efficiency and preventing material damage or personnel injury during emergency stops.

Variable Speed DriveMotor ControlBraking Chopper7.5 kW3-phase ACConveyor SystemsMaterial Handling

2. Indoor Pump and Fan Systems (HVAC/Water Treatment)

Ideal for controlling pumps and fans within HVAC systems or indoor industrial water treatment facilities. The IP20 protection rating makes it suitable for environments with minimal dust and moisture. Its 7.5kW (LO) capability combined with the Class A filter ensures energy-efficient operation and compliance with electromagnetic compatibility standards.

Problem Solved

Provides energy-efficient, precise speed control for pumps and fans, reducing electricity consumption and wear, while the integrated Class A filter minimizes electrical interference with other sensitive equipment.

Variable Frequency Drive (VFD)Pump ControlFan ControlHVACWater TreatmentClass A FilterIP20380-480V Input

3. Machine Tool Spindle Control (Enclosed)

Suitable for driving spindles in machine tools or processing equipment where precise motion and rapid dynamic response are required. The module's vector control (0-200 Hz) and high overload capacity (150% for 57s) enable accurate speed and torque regulation, while the built-in braking chopper facilitates quick spindle deceleration during machining cycles. The IP20 rating mandates installation within a protective electrical cabinet.

Problem Solved

Offers precise and dynamic control for machine tool spindles, allowing for versatile machining operations, improved accuracy, and faster cycle times through efficient acceleration and controlled braking.

Vector ControlSpindle MotorMachine ToolsDynamic Braking5.5 kW HO4 kHz Pulse FrequencyIP20