Siemens SINAMICS PM240-2 Power Module 2.2kW_3.0kW

Technical Overview

Unfiltered power module with integrated braking chopper for 1/3AC 200-240V input, 1.5kW HO / 2.2kW LO output, IP20 rated.

Key Features

Unfiltered power module.
Built-in braking chopper.
Input Voltage: 1/3AC 200V to 240V (+10% / -10%) at 47–63Hz.
High Overload (HO) Output: 1.5 kW (200% for 3s, 150% for 57s, 100% for 240s).
Low Overload (LO) Output: 2.2 kW (150% for 3s, 110% for 57s, 100% for 240s).
Protection Rating: IP20 / UL open type (suitable for cabinet installation).
Frame Size: FSB (Frame Size B).
Compatible with SINAMICS Control Unit Firmware Version V4.6 and higher.
Internal air cooling.
Ambient temperature operation: -10 to +40 °C (LO) / -10 to +50 °C (HO).
Plug-in screw terminals for line side connections.
Efficiency η: 0.96.
Power factor λ: 0.85.
Output frequency for vector control: 0 ... 200 Hz.
Output frequency for V/f control: 0 ... 550 Hz.
Sound pressure level (1m): 62 dB.
Compliance with standards: UL, cUL, CE, C-Tick (RCM), SEMI F47.

Technical Specification Matrix

Parameter	Value
Input Voltage	1/3AC 200...240 V ±10%
Line Frequency	47...63 Hz
Rated Power (Low Overload)	2.2 kW
Rated Power (High Overload)	1.5 kW
Rated Output Current (Low Overload)	10.40 A
Rated Output Current (High Overload)	7.40 A
Max. Output Current	15.60 A
Protection Rating	IP20 / UL open type
Ambient Temperature (Operation LO)	-10 to 40 °C (14 to 104 °F)
Ambient Temperature (Operation HO)	-10 to 50 °C (14 to 122 °F)
Relative Humidity (Max. Operation)	95 % RH, condensation not permitted
Installation Altitude	1,000 m (3,280.84 ft)
Cooling	Internal air cooling
Power Loss	0.12 kW
Pulse Frequency	4 kHz
Efficiency η	0.96
Power Factor λ	0.85
Physical Weight (kg)	3
Dimensions L x W x H (cm)	18.5 x 11.4 x 36.5

Industrial Applications

1. Conveyor Belt Systems with Frequent Starts/Stops

This power module provides precise speed and torque control for motors driving conveyor belts, particularly in applications requiring frequent acceleration and deceleration, such as packaging lines or material handling systems. The dual overload ratings allow for optimal performance under varying load conditions.

Problem Solved

The integrated braking chopper efficiently dissipates regenerative energy during frequent deceleration, preventing overvoltage faults and reducing mechanical stress on the system, thereby improving process cycles and equipment longevity.

Motor controlVariable speed driveRegenerative brakingMaterial handlingPackaging machineryStart/stop cyclesOverload capacity

2. Pump and Fan Control in Industrial Ventilation

The module is ideal for efficient variable frequency drive (VFD) control of pumps and fans in industrial heating, ventilation, and air conditioning (HVAC) systems or general industrial ventilation applications. Its 2.2kW Low Overload rating is well-suited for quadratic torque loads.

Problem Solved

By precisely controlling motor speed (up to 550 Hz V/f control), it optimizes energy consumption, reduces mechanical wear, and allows for demand-driven operation. This leads to significant energy savings and extended equipment life compared to fixed-speed operations.

Variable frequency drive (VFD)HVAC systemsFan controlPump controlEnergy efficiencyProcess optimizationFlow controlPressure controlIP20

3. Small to Medium-Scale Machine Tool Spindle Control

Suitable for controlling spindle motors or feed axis motors in small to medium-sized machine tools, where precise speed regulation and dynamic braking are critical for machining operations.

Problem Solved

The wide output frequency range (up to 550 Hz for V/f control) enables accurate and variable machining speeds. The integrated braking chopper facilitates rapid and controlled deceleration of the spindle, which enhances operational safety and reduces cycle times in machining processes.

Spindle controlFeed axisMachine toolPrecision machiningDynamic brakingSpeed regulationTorque controlIndustrial automation