Siemens SINAMICS PM240-2 Power Module 1.5kW

Technical Overview

380-480V 3-phase AC power module with 1.5kW (LO) output, integrated braking chopper, and IP20 for cabinet-mounted motor control in industrial automation.

Key Features

1.5 kW (2 HP) output rating for low overload (LO) applications; 1.1 kW (1.5 HP) for high overload (HO).
Wide supply voltage range of 380–480 VAC, three-phase input.
Supports high output frequency up to 550 Hz for V/f control and up to 200 Hz for vector control.
IP20 enclosure rating suitable for protected cabinet installations.
Compact FSA frame size designed for efficient panel layout and side-by-side mounting.
Compatible with the modular SINAMICS G120 platform, working with various control units.
Robust design operates in ambient temperatures from -10°C to +50°C (HO mode).
Features plug-in screw terminals for secure line-side connections.

Technical Specification Matrix

Parameter	Value
Input Voltage	3 AC, 380 - 480 V ±10 %
Input Frequency	47 - 63 Hz
Rated Input Current (LO)	5.50 A
Rated Input Current (HO)	4.70 A
Output Voltage	3 AC, 400V IEC / 480V NEC
Rated Power (LO)	1.50 kW (2.00 hp)
Rated Power (HO)	1.10 kW (1.50 hp)
Rated Output Current (LO)	4.10 A
Rated Output Current (HO)	3.10 A
Max. Output Current	6.20 A
Pulse Frequency	4 kHz
Output Frequency (Vector Control)	0 - 200 Hz
Output Frequency (V/f Control)	0 - 550 Hz
Power Factor λ	0.85
Offset Factor cos φ	0.95
Efficiency η	0.96
Power Loss	0.07 kW
Sound Pressure Level (1m)	72 dB
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 ... 40 °C (14 ... 104 °F)
Ambient Temperature (Operation HO)	-10 ... 50 °C (14 ... 122 °F)
Ambient Temperature (Transport/Storage)	-25 ... 55 °C (-13 ... 131 °F)
Relative Humidity (Max. Operation)	95 % RH, condensation not permitted
Degree of Protection	IP20 / UL open type
Connections (Line Side)	Plug-in screw terminals
Conductor Cross-section (Line Side/Motor End)	1.00 ... 2.50 mm² (AWG 18 ... AWG 14)
Physical Weight (kg)	1.38
Dimensions L x W x H (cm)	18.5 x 9 x 28

Industrial Applications

1. Precision Conveyor Systems in Manufacturing

This power module can precisely control the speed and torque of conveyor belts in manufacturing lines. The 380-480V AC input and 1.5 kW (LO) power rating are suitable for driving smaller to medium-sized conveyor motors. The integrated braking chopper allows for rapid and controlled stopping or deceleration of the conveyor, which is critical for precise product positioning, preventing jams, or emergency stops in high-speed sorting or assembly lines. The IP20 rating ensures it can be safely installed within a control cabinet, protecting it from dust and indirect splashing typical in a factory environment.

Problem Solved

Provides precise speed regulation and quick, controlled braking essential for efficient and safe material handling, especially for varied product weights or stopping at specific points for processing.

Variable speed driveTorque controlDynamic brakingMaterial handlingAutomation3-phase motorIP201.5 kW

2. Industrial Fan/Pump Control in HVAC/Wastewater Treatment

The power module can be used to control variable speed drives for fans in HVAC systems or pumps in water/wastewater treatment plants. Its 380-480V input voltage aligns with common industrial power supplies, and the 1.5 kW (LO) power rating is appropriate for smaller to medium-sized fans and pumps. The V/f and vector control capabilities allow for efficient energy use by matching motor speed to process demand, while the IP20 rating ensures safe operation when housed in a control panel in typically drier indoor environments or protected outdoor enclosures. The -10°C to +50°C operating temperature range further supports its use in industrial environments that may experience temperature fluctuations.

Problem Solved

Enables energy optimization and flow/pressure regulation by adjusting motor speed instead of using mechanical throttling, leading to reduced operating costs and improved process control.

Variable frequency drive (VFD)Energy efficiencyProcess controlHVACPump controlFan control3-phaseIP201.5 kWV/f control

3. Small Robotics or Positioning Systems

For smaller robotic manipulators, automated guided vehicles (AGVs), or precision positioning tables requiring controlled motion, this power module offers the necessary motor control. The integrated braking chopper is crucial for accurate stopping and holding positions, especially in vertical applications or those requiring quick stops. The 1.1 kW (HO) capability can handle short-duration peak loads encountered during acceleration or sudden movements. Its compact size (FSA frame) makes it suitable for integration into control cabinets where space is often at a premium.

Problem Solved

Provides precise, responsive, and reliable motor control with dynamic braking for motion applications where accuracy and safety are paramount.

RoboticsMotion controlPositioningBraking chopper3-phase1.1 kWIP20