Siemens SINAMICS PM240-2 VFD Power Module 22kW

Technical Overview

380-480V 3AC VFD power module with 22kW (LO)/18.5kW (HO) output. Features integrated Class A filter and braking chopper, IP20 rated.

Key Features

Built-in Class A line filter
Integrated braking chopper
3-phase AC input 380-480V ±10%
Rated output 22kW (Low Overload) / 18.5kW (High Overload)
IP20 / UL open type protection
Internal air cooling
Screw-type terminals for line side connection
Part of the modular SINAMICS G120 converter series
Output frequency for V/f control: 0-550 Hz
Ambient temperature range: -20 to 50 °C (HO)

Technical Specification Matrix

Parameter	Value
Input Voltage	3AC 380-480 V ±10%
Line Frequency	47-63 Hz
Output Voltage	3AC 400V IEC / 480V NEC
Rated Power (Low Overload)	22.00 kW (30.00 hp)
Rated Power (High Overload)	18.50 kW (25.00 hp)
Rated Current (Low Overload)	45.00 A
Rated Current (High Overload)	38.00 A
Max. Output Current	76.00 A
Pulse Frequency	4 kHz
Output Frequency (Vector Control)	0-200 Hz
Output Frequency (V/f Control)	0-550 Hz
Degree of Protection	IP20 / UL open type
Ambient Temperature (Operation LO)	-20 to 40 °C (-4 to 104 °F)
Ambient Temperature (Operation HO)	-20 to 50 °C (-4 to 122 °F)
Relative Humidity (Max. Operation)	95 % RH, non-condensing
Cooling	Internal air cooling
Power Factor λ	0.95
Efficiency η	0.98
Filter Class (integrated)	Class A
Physical Weight (kg)	17.25
Dimensions L x W x H (cm)	49.5 x 35.6 x 30

Industrial Applications

1. Conveyor Belt Systems

Ideal for driving conveyor motors in material handling applications, providing precise speed and torque control for smooth acceleration and deceleration. The 22kW (LO) rating accommodates typical conveyor loads, while the integrated braking chopper manages kinetic energy during stops, improving efficiency and reducing mechanical stress. The IP20 rating ensures safe operation within enclosed control cabinets in industrial environments.

Problem Solved

Ensures precise and efficient speed control for material transport, optimizes energy usage through regenerative braking, and reduces wear on mechanical components by managing deceleration forces.

Variable Frequency DriveMaterial HandlingSpeed ControlBraking ChopperEnergy EfficiencyEMCIP20

2. Pump and Fan Control in HVAC Systems

Suitable for controlling industrial pumps and fans in HVAC and fluid handling systems, allowing for optimized flow and pressure regulation based on demand. The 22kW (LO) rating is adequate for many pump/fan sizes, and the wide output frequency range (0-550 Hz) enables fine-tuned operation. The integrated Class A filter helps minimize harmonic distortion, maintaining power quality in building infrastructure, and the IP20 rating is suitable for plant room control cabinets.

Problem Solved

Achieves significant energy savings by matching pump/fan speed to exact demand, provides precise control over fluid dynamics and airflow, and prevents electrical grid disturbances from harmonic feedback.

HVACFluid DynamicsFan ControlPump ControlEnergy OptimizationHarmonicsVFDIP20

3. General Machinery with Cyclic Loads

Well-suited for machines experiencing varying or cyclic loads, such as mixers, centrifuges, or small machine tools. Its dual overload capability (18.5kW HO / 22kW LO) provides flexibility for diverse operational requirements. The integrated braking chopper is critical for quickly and safely decelerating high-inertia loads, preventing overvoltage conditions, and enabling faster, more efficient machine cycles. The IP20 protection allows for standard industrial control cabinet integration.

Problem Solved

Provides reliable and efficient motor control for dynamic industrial processes, manages regenerative energy effectively during rapid braking, and reduces mechanical wear while improving overall machine throughput.

Machine ControlCyclic LoadTorque ControlRegenerative BrakingOverload CapabilityProcess AutomationIP20