Siemens SINAMICS PM240-2 Power Module 55kW

Technical Overview

High-performance SINAMICS G120 Power Module with 55kW (LO) for 3AC 380-480V, featuring integrated Class A filter and braking chopper for dynamic motor control.

Key Features

Integrated Class A line filter for EMC compliance.
Integrated braking chopper for dynamic braking.
Flexible load handling with High Overload (HO) and Low Overload (LO) capabilities.
Input Voltage: 3AC 380-480V (+10/-20%), 47-63Hz.
Output High Overload (HO): 45kW (200% for 3s, 150% for 57s, 100% for 240s).
Output Low Overload (LO): 55kW (150% for 3s, 110% for 57s, 100% for 240s).
Protection Rating: IP20 / UL open type.
Operates efficiently in ambient temperatures ranging from -20 °C to +50 °C (HO) and -20 °C to +40 °C (LO).
Compatibility with SINAMICS Control Units, approved for CU firmware version V4.7 HF8.
Compact FSE frame size (551 x 275 x 237 mm) for space-saving cabinet installation.
Internal air cooling system.
Screw-type terminals for line side connections.
Compliance with international standards: UL, cUL, CE, C-Tick (RCM), SEMI F47.

Technical Specification Matrix

Parameter	Value
Input Voltage	3 AC 380-480 V ±10 %
Line Frequency	47-63 Hz
Rated Power (Low Overload)	55.00 kW (75.00 hp)
Rated Power (High Overload)	45.00 kW (60.00 hp)
Rated Current (Low Overload)	110.00 A
Rated Current (High Overload)	90.00 A
Max. Output Current	180.00 A
Pulse Frequency	4 kHz
Output Frequency (Vector Control)	0-200 Hz
Output Frequency (V/f Control)	0-550 Hz
Power Factor λ	0.95
Offset Factor cos φ	0.99
Efficiency η	0.98
Sound Pressure Level (1m)	71 dB
Power Loss	1.55 kW
Filter Class (integrated)	Class A
Cooling	Internal air cooling
Cooling Air Requirement	0.083 m³/s (2.931 ft³/s)
Installation Altitude	1,000 m (3,280.84 ft)
Ambient Temperature (Operation LO)	-20 to 40 °C (-4 to 104 °F)
Ambient Temperature (Operation HO)	-20 to 50 °C (-4 to 122 °F)
Degree of Protection	IP20 / UL open type
Compatibility	CU firmware version V4.7 HF8
Physical Weight (kg)	27.1
Dimensions L x W x H (cm)	23.7 x 27.5 x 55.1

Industrial Applications

1. Conveyor Belt Systems with Dynamic Braking

This power module is ideal for controlling conveyor belts, especially those with varying loads or requiring precise stopping and starting. The integrated braking chopper allows for efficient energy dissipation during deceleration, protecting the motor and mechanical system from wear and tear.

Problem Solved

Prevents motor overheating and mechanical stress during frequent start/stop cycles or when handling heavy loads on conveyor systems. The dynamic braking capability ensures controlled deceleration, improving operational safety and lifespan of the machinery.

3AC 380-480V55kW (LO)45kW (HO)Integrated Braking ChopperDynamic BrakingOverload Capability0-200 Hz Vector ControlIP20

2. High-Power Industrial Pump Control

The SINAMICS G120 PM240-2 is suitable for regulating the speed and torque of large industrial pumps in water treatment, chemical processing, or HVAC systems. Its robust overload capabilities (up to 200% for 3s) ensure reliable operation even during transient demands or sudden pressure changes.

Problem Solved

Provides precise flow control and pressure regulation, reducing energy consumption by matching pump speed to demand. The high efficiency (98%) and ability to handle high overloads prevent motor damage and ensure continuous operation in critical fluid handling applications.

3AC 380-480V55kW (LO)110A Rated Current (LO)High Efficiency (0.98)Overload Capability0-550 Hz V/f ControlIP20

3. HVAC Industrial Plants with Energy Efficiency Requirements

This power module can drive large fans and blowers in industrial HVAC systems, optimizing airflow and energy usage. Its high efficiency and flexible overload handling enable the system to adapt to varying ventilation demands while minimizing power losses.

Problem Solved

Reduces energy consumption and operational costs in large HVAC systems by precisely controlling motor speed for fans and blowers based on environmental conditions. The Class A EMC filter ensures electromagnetic compatibility within the plant environment, preventing interference with other sensitive equipment.

3AC 380-480V55kW (LO)Class A EMC FilterHigh Efficiency (0.98)Internal Air Cooling-20 to 50 °C Operating TempIP20