Siemens SINAMICS PM240-2 22kW Power Module

Technical Overview

3-phase 380-480V AC power module with 22kW LO/18.5kW HO output, IP20, and integrated braking chopper for SINAMICS G120 drive systems.

Key Features

3-phase AC input voltage: 380-480 V ±10%
Rated output power (LO): 22.00 kW (30.00 hp)
Rated output power (HO): 18.50 kW (25.00 hp)
Maximum output current: 76.00 A
Degree of protection: IP20 / UL open type
Internal air cooling system
Output frequency for V/f control: 0-550 Hz
Output frequency for vector control: 0-200 Hz
Operating ambient temperature range: -20 to 50 °C

Technical Specification Matrix

Parameter	Value
Input Voltage (3-phase AC)	380-480 V ±10%
Input Frequency	47-63 Hz
Rated Current (Low Overload LO)	42.00 A
Rated Current (High Overload HO)	38.00 A
Output Voltage (3-phase AC)	400V IEC / 480V NEC
Rated Power (Low Overload LO)	22.00 kW (30.00 hp)
Rated Power (High Overload HO)	18.50 kW (25.00 hp)
Rated Output Current (LO)	45.00 A
Rated Output Current (HO)	38.00 A
Maximum Output Current	76.00 A
Pulse Frequency	4 kHz
Output Frequency (Vector Control)	0-200 Hz
Output Frequency (V/f Control)	0-550 Hz
Efficiency η	0.98
Degree of Protection	IP20 / UL open type
Cooling Method	Internal air cooling
Ambient Temperature (Operation LO)	-20 to 40 °C (-4 to 104 °F)
Ambient Temperature (Operation HO)	-20 to 50 °C (-4 to 122 °F)
Relative Humidity (Max Operation)	95 % RH, non-condensing
Physical Weight (kg)	16.6
Dimensions L x W x H (cm)	49.5 x 35.6 x 30

Industrial Applications

1. Conveyor Systems with Frequent Starts/Stops

This power module excels in controlling AC motors for conveyor belts that require rapid acceleration and deceleration cycles. The integrated braking chopper efficiently dissipates regenerative energy, reducing wear on mechanical brakes and improving system efficiency during frequent stopping and starting.

Problem Solved

Prevents mechanical stress and energy waste from frequent braking by managing regenerative energy with its built-in braking chopper and high overload capacity.

Braking ChopperOverload Capability3-phase AC motor controlDynamic braking

2. Industrial Pump and Fan Control

Ideal for regulating the speed of pumps and fans in industrial environments, such as water/wastewater treatment or HVAC systems within factories. Its wide operating temperature range (-20 to 50 °C) ensures reliable operation under varying conditions, while the IP20 rating makes it suitable for secure cabinet installation.

Problem Solved

Provides efficient and reliable speed control for pumps and fans in challenging industrial temperatures, ensuring system stability and energy savings.

Variable Frequency DrivePump controlFan controlIP20Wide operating temperature

3. Extruder and Mixer Drives

Suitable for driving motors in extruders and mixers where precise speed and torque control are critical for consistent product quality. The capability for vector control (0-200 Hz) allows for fine-tuned operation necessary for material processing applications, operating with standard industrial 380-480V AC power.

Problem Solved

Enables precise and consistent motor speed and torque control required for sensitive material processing, maintaining product quality and operational efficiency.

Vector ControlTorque controlSpeed regulation380-480V AC