Siemens SINAMICS G120C PM240-2 Power Module 400V 1.1kW

Technical Overview

Compact 400V 3AC power module with 1.1kW LO, 0.75kW HO, IP20, integrated braking chopper, Class A filter, and Safe Torque Off. Ideal for small motor control.

Key Features

Integrated Class A filter.
Integrated braking chopper.
Integrated Safe Torque Off (STO) safety function.
3-phase 380-480 V AC input voltage.
Rated power (Low Overload): 1.1 kW / 1.5 hp.
Rated power (High Overload): 0.75 kW / 1.0 hp.
Output frequency for V/f control: 0-550 Hz.
Output frequency for vector control: 0-200 Hz.
IP20 degree of protection.
Efficiency: 96%.
Internal air cooling.
Compact Frame Size FSA design.
Supports PROFIBUS communication when paired with appropriate Control Unit.

Technical Specification Matrix

Parameter	Value
Input Number of Phases	3 AC
Line Voltage	380 ... 480 V ±10 %
Line Frequency	47 ... 63 Hz
Rated Current (Low Overload)	4.10 A
Rated Current (High Overload)	3.30 A
Output Number of Phases	3 AC
Rated Voltage (Output)	400V IEC / 480V NEC
Rated Power (Low Overload)	1.10 kW / 1.50 hp
Rated Power (High Overload)	0.75 kW / 1.00 hp
Rated Current (Output, Low Overload)	3.10 A
Rated Current (Output, High Overload)	2.20 A
Max. Output Current	4.70 A
Pulse Frequency	4 kHz
Output Frequency for Vector Control	0 ... 200 Hz
Output Frequency for V/f Control	0 ... 550 Hz
Efficiency η	0.96 (96%)
Power Loss	0.04 kW
Filter Class (integrated)	Class A
Degree of Protection	IP20 / UL open type
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)
Relative Humidity (Max. Operation)	95 % RH, condensation not permitted
Conductor Cross-section (Line side)	1.00 ... 2.50 mm² (AWG 18 ... AWG 14)
Physical Weight (kg)	1.55
Dimensions L x W x H (cm)	16.5 x 7.3 x 19.6

Industrial Applications

1. Conveyor Belt Speed Control in Manufacturing

Precisely controls the speed of small conveyor belts in manufacturing assembly lines, enabling variable product throughput and smooth acceleration/deceleration for optimal production flow.

Problem Solved

Prevents mechanical shock and product damage during starts/stops, enables flexible production rates to adapt to demand, and reduces energy consumption by matching motor speed to requirements.

Variable frequency drive400V1.1kWSmooth accelerationEnergy efficiencyIP20 (cabinet mounting)

2. Pump Control for HVAC Systems

Regulates the flow rate of pumps in commercial Heating, Ventilation, and Air Conditioning (HVAC) systems, adapting to varying cooling or heating demands for improved climate control.

Problem Solved

Optimizes energy usage by dynamically adjusting pump speed to actual demand, reduces wear and tear on pump components due to soft starts, and maintains stable system pressure, leveraging the 400V input and 1.1kW capability.

Pump controlHVAC400V1.1kWEnergy optimizationVariable speedIP20 (cabinet installation)

3. Small Fan/Blower Control in Industrial Processes

Modulates the airflow of small industrial fans or blowers used in applications such as drying processes, fume extraction, or general air circulation systems, providing precise environmental control.

Problem Solved

Allows precise control over process variables (e.g., drying time, air quality), minimizes operational noise, and provides significant energy savings by running fans at optimal speeds, utilizing the 0.75-1.1kW power range and 0-550 Hz V/f control.

Fan controlAirflow regulationFume extraction400V1.1kW0-550HzIP20