Siemens SINAMICS PM240-2 Power Module 0.55kW

Technical Overview

Compact 0.55kW (LO) / 0.37kW (HO) 3-phase 380-480V Power Module with integrated Class A filter, braking chopper, and IP20 for robust industrial drives.

Key Features

Compact SINAMICS G120C drive component.
Rated power: 0.37 kW (HO) / 0.55 kW (LO).
3-phase input voltage: 380–480 V AC.
Integrated Class A line filter.
Integrated braking chopper.
IP20 housing for protection.
Supports dual overload profiles for flexible operation.
Compatible with SINAMICS Control Units (firmware V4.6 and higher).
Internal air cooling.
Compliance with UL, cUL, CE, C-Tick (RCM), SEMI F47 standards.

Technical Specification Matrix

Parameter	Value
Input Voltage	3 AC, 380-480 V ±10 %
Line Frequency	47-63 Hz
Rated Power (High Overload - HO)	0.37 kW (0.50 hp)
Rated Power (Low Overload - LO)	0.55 kW (0.75 hp)
Rated Current (HO)	1.30 A
Rated Current (LO)	1.70 A
Max. Output Current	2.60 A
Output Voltage	3 AC, 400V IEC / 480V NEC
Pulse Frequency	4 kHz
Output Frequency (Vector Control)	0 - 200 Hz
Output Frequency (V/f Control)	0 - 550 Hz
Overload Capability (LO)	1.1 x rated output current (110 % overload) for 57 s; 1.5 x rated output current (150 % overload) for 3 s (cycle time 300 s)
Overload Capability (HO)	1.5 x output current rating (150 % overload) for 57 s; 2 x output current rating (200 % overload) for 3 s (cycle time 300 s)
Power Factor λ	0.85
Offset Factor cos φ	0.95
Efficiency η	0.96
Power Loss	0.04 kW
Filter Class (integrated)	Class A
Cooling	Internal air cooling
Cooling Air Requirement	0.005 m³/s (0.177 ft³/s)
Installation Altitude	1,000 m (3,280.84 ft)
Ambient Temperature (Operation LO)	-10 to +40 °C (14 to 104 °F)
Ambient Temperature (Operation HO)	-10 to +50 °C (14 to 122 °F)
Ambient Temperature (Transport/Storage)	-25 to +55 °C (-13 to +131 °F)
Relative Humidity (Max. operation)	95 % RH, condensation not permitted
Connections (Line side)	Plug-in screw terminals
Conductor Cross-section (Line side)	1.00 - 2.50 mm² (AWG 18 - AWG 14)
Degree of protection	IP20 / UL open type
Compliance with standards	UL, cUL, CE, C-Tick (RCM), SEMI F47
Efficiency class	IE2
Physical Weight (kg)	1.55
Dimensions L x W x H (cm)	18.5 x 9 x 28

Industrial Applications

1. Conveyor Belt Systems for Small Package Handling

This power module is ideal for controlling small conveyor belts used in logistics, e-commerce, or manufacturing for moving light to medium-weight packages. Its compact size allows for integration into space-constrained conveyor systems.

Problem Solved

Provides precise speed and torque control for conveyor motors (up to 0.55 kW), enabling smooth acceleration/deceleration and efficient material flow. The integrated braking chopper allows for quick stopping and accurate positioning of items on the belt, critical for sorting and packaging lines. Its IP20 rating is suitable for typical indoor, controlled industrial environments.

Variable Frequency DriveMaterial HandlingConveyor ControlBraking ChopperIP200.55 kW Motor Control

2. Small Industrial Fan or Pump Control in HVAC/Fluid Systems

The SINAMICS PM240-2 can efficiently drive small industrial fans for ventilation or pumps for fluid circulation in HVAC systems or compact fluid processing units.

Problem Solved

Offers energy-efficient control (Efficiency η: 0.96) for motors up to 0.55 kW, allowing for variable speed operation to match demand, thus reducing energy consumption and wear. The integrated Class A filter helps maintain EMC compliance, crucial in environments with sensitive electronics. The operating temperature range of -10 to +50 °C ensures reliable performance in diverse industrial settings.

HVACPump ControlFan ControlEnergy EfficiencyEMC FilterVariable Speed Drive0.55 kW

3. Basic Machine Tool Spindle or Actuator Control

This power module can be employed for controlling small spindles in light machining applications (e.g., drilling, engraving) or actuators in automated assembly machines where precise, controlled motion of up to 0.55 kW is required.

Problem Solved

Enables dynamic control of motor speed and torque, vital for achieving desired machining quality or accurate positioning in assembly tasks. The high overload capability (up to 200% for 3s) handles momentary peak loads during machining starts or rapid movements. The compact size facilitates integration into machine cabinets with limited space.

Machine Tool ControlSpindle DriveActuator ControlTorque ControlOverload CapabilityCompact Design0.55 kW