Siemens SINAMICS PM240-2 Power Module 0.75kW

Technical Overview

3-phase 380-480V power module with 0.75kW LO output, integrated braking chopper, and IP20 rating, offering robust performance for industrial motor control.

Key Features

Air-cooled Power Module in blocksize format (FSA frame size).
3-phase AC input: 380-480 V (+10% / -10%) at 47-63 Hz.
Rated output power: 0.75 kW (LO) / 0.55 kW (HO).
Integrated braking chopper for dynamic braking.
Degree of protection: IP20 / UL open type.
Compact dimensions for space-saving installations.
Compatible with SINAMICS G120 Control Units (requires CU firmware V4.6 or higher).
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%
Input Frequency	47-63 Hz
Rated Input Current (LO)	2.90 A
Rated Input Current (HO)	2.60 A
Output Voltage	3 AC 400V (IEC) / 480V (NEC)
Rated Power (LO)	0.75 kW (1.00 hp)
Rated Power (HO)	0.55 kW (0.75 hp)
Rated Output Current (LO)	2.20 A
Rated Output Current (HO)	1.70 A
Max. Output Current	3.40 A
Pulse Frequency	4 kHz
Output Frequency (Vector Control)	0-200 Hz
Output Frequency (V/f Control)	0-550 Hz
Overload Capability (LO)	110% for 57s (cycle 300s); 150% for 3s (cycle 300s)
Overload Capability (HO)	150% for 57s (cycle 300s); 200% for 3s (cycle 300s)
Efficiency η	0.96
Power Factor λ	0.85
Offset Factor cos φ	0.95
Sound Pressure Level (1m)	72 dB
Power Loss	0.04 kW
Cooling Method	Internal air cooling
Cooling Air Requirement	0.005 m³/s
Installation Altitude	1,000 m
Operating Temperature (LO)	-10 to 40 °C
Operating Temperature (HO)	-10 to 50 °C
Transport/Storage Temperature	-25 to 55 °C
Relative Humidity (Max. operation)	95 % RH, non-condensing
Line Side Connections	Plug-in screw terminals
Conductor Cross-section	1.00-2.50 mm² (AWG 18-14)
Degree of Protection	IP20 / UL open type
Physical Weight (kg)	1.38
Dimensions L x W x H (cm)	18.5 x 9 x 28

Industrial Applications

1. Low-Power Conveyor Belt Systems

This power module is ideal for controlling small conveyor belt motors in packaging or assembly lines, requiring precise speed control and frequent start/stop operations. The 0.75 kW (LO) output and integrated braking chopper manage dynamic load changes efficiently.

Problem Solved

Provides reliable and energy-efficient motor control for small conveyors, ensuring smooth product flow and enabling quick, controlled stops and starts which are critical for automation processes.

Variable Speed DriveBraking Chopper0.75 kW Motor ControlIP20 EnclosedDynamic Load Management

2. Small Industrial Pumping Stations

Suitable for driving 0.75 kW pump motors in water treatment or irrigation systems. The 380-480V 3AC input and variable frequency control allow for optimized flow regulation, conserving energy and extending pump life. The IP20 rating mandates installation within a protective cabinet, common for such applications.

Problem Solved

Enables precise pump speed and flow control, reducing energy consumption and mechanical stress on pumping equipment, thereby minimizing maintenance and operational costs in industrial fluid handling.

VFD for PumpsFlow Control3-Phase PowerEnergy EfficiencyIP20 Protection

3. HVAC Fan Control Systems

Effective for controlling 0.75 kW fan motors in heating, ventilation, and air conditioning (HVAC) systems. Variable speed control optimizes airflow for improved indoor air quality and significant energy savings. The -10 to 50 °C operating temperature range accommodates typical HVAC environments, and brief high overload capacity supports fan startup.

Problem Solved

Offers precise and energy-efficient control of fan speeds in HVAC systems, leading to better climate management, reduced operational costs, and improved system longevity through soft starting and stopping.

Fan Motor ControlVariable Air Volume (VAV)Energy OptimizationHVAC AutomationWide Temperature Range