Siemens SINAMICS G120 PM240-2 Power Module 7.5kW

Technical Overview

3-phase 380-480V 7.5kW power module with integrated braking chopper for dynamic industrial motor control, IP20 rated. Flexible filtering.

Key Features

3-phase 380-480 V AC input voltage range.
Power rating of 7.5 kW (10 HP) for low overload and 5.5 kW (7.5 HP) for high overload.
Integrated braking chopper for handling braking energy.
Designed without an integrated filter, allowing for flexible filtering customization.
IP20 / UL open type degree of protection.
Suitable for medium-duty industrial operations.
Part of the SINAMICS G120 series, known for reliability and versatility.
Supports output frequencies up to 550 Hz for V/f control.

Technical Specification Matrix

Parameter	Value
Input Voltage	3 AC 380 ... 480 V ±10 %
Line Frequency	47 ... 63 Hz
Rated Power (Low Overload - LO)	7.50 kW (10.00 hp)
Rated Power (High Overload - HO)	5.50 kW (7.50 hp)
Input Current (LO)	22.20 A
Output Current (LO)	18.00 A
Input Current (HO)	19.80 A
Output Current (HO)	13.20 A
Output Frequency (Vector Control)	0 ... 200 Hz
Output Frequency (V/f Control)	0 ... 550 Hz
Degree of Protection	IP20 / UL open type
Cooling	Internal air cooling
Ambient Temperature (Operation LO)	-10 ... 40 °C (14 ... 104 °F)
Ambient Temperature (Operation HO)	-10 ... 50 °C (14 ... 122 °F)
Relative Humidity (Max. operation)	95 % RH, condensation not permitted
Physical Weight (kg)	3
Dimensions L x W x H (cm)	18 x 37 x 12

Industrial Applications

1. Conveyor System Motor Control with Dynamic Braking

This power module is ideally suited for controlling motors in conveyor systems that require frequent acceleration and deceleration, such as those found in manufacturing assembly lines or logistics sorting facilities. The ability to handle 380-480V AC and provide up to 7.5 kW (10 HP) motor power is common for such systems.

Problem Solved

The integrated braking chopper efficiently dissipates regenerative energy during rapid deceleration, preventing overvoltage faults and reducing wear on mechanical braking components, thus ensuring smoother operation and longer equipment life in high-dynamic applications.

ConveyorMotor ControlDynamic BrakingRegenerative EnergyVFD3-phase7.5 kWBraking Chopper

2. Variable Speed Pump Control for Water Treatment

The SINAMICS G120 PM240-2 can effectively control pumps in water and wastewater treatment plants, where precise flow regulation and energy efficiency are critical. Its compatibility with 380-480V three-phase power and a 7.5 kW rating fits common industrial pump sizes.

Problem Solved

By providing variable frequency control (0-550 Hz), the module allows pumps to operate at optimal speeds, matching demand and significantly reducing energy consumption compared to fixed-speed operation. This prevents cavitation, reduces mechanical stress, and extends pump lifespan.

Pump ControlVariable Frequency DriveEnergy EfficiencyFlow Regulation7.5 kW3-phaseV/f ControlWater Treatment

3. Energy-Efficient Fan Control in HVAC Systems

This power module is suitable for controlling industrial fans in HVAC systems, particularly in large commercial buildings or manufacturing facilities, where maintaining specific airflow and maximizing energy efficiency are crucial. The 380-480V input and 7.5 kW output are common for mid-sized fan motors.

Problem Solved

The drive's variable speed control allows fans to adjust their speed precisely to meet ventilation demands, avoiding the wasteful practice of running fans at full speed when not necessary. The absence of an integrated filter provides flexibility for system integrators to choose an external filter best suited for specific EMC requirements of HVAC environments.

Fan ControlHVACVariable Speed DriveAirflow RegulationEnergy Saving7.5 kWIP203-phase