SIEMENS SINAMICS S120 BLOCK SIZE
Description
Siemens SINAMICS S120 Blocksize
Compact High-Performance Drive Solution for Single-Axis Applications
We Tech Power Solutions Ltd supplies Siemens SINAMICS S120 Blocksize drive solutions for industrial machines, production equipment and demanding motion-control applications across Ahmedabad, Gujarat, India and international markets.
SINAMICS S120 Blocksize is a compact drive format designed for single-axis applications, combining high-performance drive control with space-efficient installation. Siemens documentation identifies Blocksize units primarily as Power Modules, while larger-output S120 systems use Chassis or Chassis-2 formats.
For accurate selection and quotation, provide the complete Siemens MLFB/order number, motor details, application, supply voltage, required output/current and control requirements.
What is Siemens SINAMICS S120 Blocksize?
The Siemens SINAMICS S120 Blocksize is a compact format within the SINAMICS S120 high-performance drive family. It is optimized for single-axis drive applications where precise speed, torque and motion control are required in a space-efficient installation.
The Blocksize format is available in different configurations for various supply and power requirements. Siemens documentation specifies Blocksize supply options including 1-phase 200–240 V AC and 3-phase 380–480 V AC, depending on the selected unit.
It can be integrated into Siemens automation architectures and selected according to the motor, load profile, feedback system, communication requirements and machine-control platform.
Why Choose SINAMICS S120 Blocksize?
Compact Installation
The Blocksize construction is designed for space-efficient machine and control-panel installations.
High-Performance Motion Control
S120 provides high-performance drive functions for applications requiring accurate speed, torque and positioning control.
Single-Axis Optimization
The Blocksize format is specifically optimized for single-axis applications, making it a suitable choice when a compact individual drive axis is required.
Flexible Control
SINAMICS S120 supports configurable control approaches including servo and vector control, depending on the system configuration.
Digital Connectivity
S120 systems use DRIVE-CLiQ technology for communication and integration between compatible drive components.
Integrated Safety
Depending on configuration, Siemens provides Safety Integrated functions including STO, SBC, SS1, SS2, SOS, SLS, SDI and other safety functions.
Engineering & Diagnostics
S120 supports Siemens engineering environments and diagnostic functions that help simplify commissioning, maintenance and lifecycle management.
Key Features of Siemens SINAMICS S120 Blocksize
• Compact Blocksize construction
• Optimized for single-axis applications
• High-performance drive technology
• Power Module-based configuration
• Servo and vector control capabilities
• Speed, torque and positioning functions
• DRIVE-CLiQ connectivity
• Siemens automation integration
• Integrated Safety Integrated functions
• Diagnostic and maintenance capabilities
• Control-panel installation
• Multiple supply and rating configurations
• Suitable for demanding industrial motion applications
SINAMICS S120 Blocksize System Architecture
A typical S120 system can contain several coordinated components. The exact arrangement depends on whether the application is configured as a standalone single-axis system or integrated into a larger S120 architecture.
Power Module
The Power Module provides the power conversion required to operate the connected motor axis.
Control Unit
The Control Unit manages drive control functions and communicates with connected system components.
Motor & Encoder
The selected Siemens motor and feedback system must be matched to the drive configuration and application.
DRIVE-CLiQ
DRIVE-CLiQ provides digital communication between compatible S120 system components.
Automation Controller
The drive can be integrated into a Siemens automation architecture depending on the selected control platform and communication configuration.
Technical Overview
Specification SINAMICS S120 Blocksize
Brand Siemens
Product Family SINAMICS S120
Construction Format Blocksize
Primary Application Single-axis applications
Main Drive Unit Power Module
Control Servo / Vector, configuration dependent
Communication DRIVE-CLiQ and model/configuration dependent interfaces
Supply 1-phase 200–240 V AC or 3-phase 380–480 V AC, depending on model
Line Frequency 47–63 Hz
Electronics Supply 24 V DC, configuration dependent
Installation Control cabinet / machine installation
Safety Safety Integrated, configuration dependent
Engineering Siemens engineering environment / TIA Portal integration
Selection Based on exact MLFB, motor, load and application
Siemens documentation specifies the Blocksize format for 1-phase 200–240 V AC and 3-phase 380–480 V AC supply configurations, with a nominal pulse frequency of 4 kHz for Blocksize units.
Important: SINAMICS S120 Blocksize is a product family with multiple order-number variants. Exact rated power, output current, overload capability, dimensions, interfaces and functions vary by MLFB. Always verify the complete Siemens order number before purchase.
Typical Applications
SINAMICS S120 Blocksize is suitable for machine applications where a high-performance single motor axis requires accurate and reliable drive control.
Machine Automation
For individual machine axes requiring controlled speed, torque or positioning.
Packaging Machinery
Used for feeding, indexing, positioning and other coordinated machine movements.
Material Handling
Suitable for conveyor and handling mechanisms requiring controlled motor operation.
Printing & Converting
Can be applied to individual drive axes in printing, winding and converting equipment.
Plastics Machinery
Suitable for machine axes requiring controlled speed and torque.
Textile Machinery
Useful for demanding motor-control applications in textile production equipment.
Machine Tools
Can be integrated into machine-tool architectures where individual high-performance axes are required.
Production & Assembly
Suitable for automated production systems, assembly equipment and OEM machinery.
Industries Using SINAMICS S120 Blocksize
• Machine Building
• Packaging
• Printing & Converting
• Plastics
• Textile
• Material Handling
• Automotive Manufacturing
• Electronics Manufacturing
• Production Automation
• Assembly Machinery
• Machine Tools
• Industrial OEM Equipment
SINAMICS S120 Blocksize vs S120 Booksize
Although both belong to the SINAMICS S120 family, Blocksize and Booksize are intended for different system architectures.
Feature S120 Blocksize S120 Booksize
Main positioning Single-axis applications Multi-axis motion systems
Construction Blocksize Booksize
Main power component Power Module Line Modules / Motor Modules
Architecture Individual drive axis Modular multi-axis
Installation Compact Side-by-side modular installation
Common DC Link Application/configuration dependent Integral multi-axis architecture
Typical use Individual high-performance axis Coordinated multi-axis machines
Siemens identifies the Blocksize format as optimized for single-axis applications, while the Booksize format is designed for modular multi-axis systems.
SINAMICS S120 Blocksize vs Other SINAMICS Drives
S120 Blocksize vs SINAMICS S210
S210 is a compact servo system aimed at dynamic machine motion in the lower power range. S120 Blocksize belongs to the modular S120 high-performance drive platform and offers broader system integration and scalability.
S120 Blocksize vs SINAMICS G120
G120 is widely used for general-purpose variable-speed drive applications, while S120 is designed for more demanding motion-control requirements involving precise speed, torque and positioning.
S120 Blocksize vs S120 Booksize
Blocksize is optimized for individual/single-axis applications, while Booksize is especially suited to modular multi-axis systems.
How to Select the Correct S120 Blocksize Drive
Choosing the correct S120 Blocksize unit requires more than simply matching motor kW.
1. Motor Information
Confirm:
• Motor model
• Rated power
• Rated current
• Rated voltage
• Rated speed
• Encoder/feedback type
2. Load Characteristics
Determine:
• Continuous load
• Peak load
• Acceleration/deceleration
• Duty cycle
• Required overload
3. Supply Voltage
Confirm whether the application requires the applicable 200–240 V or 380–480 V configuration.
4. Control Requirement
Determine whether the application requires:
• Speed control
• Torque control
• Positioning
• Servo control
• Vector control
5. Communication
Check the required controller and communication architecture, including applicable Siemens network interfaces.
6. Safety
Identify the required Safety Integrated functions according to the machine safety design.
7. Installation
Verify:
• Cabinet space
• Cooling
• Mounting
• Environmental conditions
• Installation altitude
8. Complete Siemens MLFB
The complete order number is essential for accurate identification. Do not select an S120 Blocksize replacement only from the nominal kW rating.
Siemens SINAMICS S120 Blocksize Supplier in Ahmedabad, Gujarat & India
We Tech Power Solutions Ltd provides sourcing and selection assistance for Siemens SINAMICS S120 Blocksize products in Ahmedabad, Gujarat and across India.
Our support includes:
• Siemens drive identification
• MLFB/order-number verification
• Drive and motor compatibility checks
• Replacement drive selection
• Retrofit support
• Application-based selection
• Technical comparison
• Commercial quotation support
• OEM and industrial automation sourcing
For replacement requirements, send the existing drive's complete MLFB, nameplate photograph or product labelalong with the motor details.
Siemens SINAMICS S120 Blocksize Supplier for UAE & Gulf
We also support industrial automation sourcing requirements for customers across:
• UAE
• Dubai
• Abu Dhabi
• Saudi Arabia
• Qatar
• Oman
• Kuwait
• Bahrain
Whether you need a new S120 Blocksize Power Module or a replacement for an existing Siemens drive, providing the exact MLFB allows us to assist with product identification and quotation.
Why Choose We Tech Power Solutions Ltd?
• Siemens automation product sourcing
• Industrial drive selection support
• Ahmedabad-based technical assistance
• MLFB and replacement identification
• Application-oriented product recommendations
• Motor-drive compatibility support
• OEM and industrial project support
• India-wide sourcing assistance
• Gulf-region sourcing support
Frequently Asked Questions
What is Siemens SINAMICS S120 Blocksize?
SINAMICS S120 Blocksize is a compact format within the SINAMICS S120 high-performance drive family, optimized primarily for single-axis applications. Siemens describes Blocksize units as Power Modules.
What is the difference between S120 Blocksize and Booksize?
Blocksize is optimized for single-axis applications, whereas Booksize is designed around a modular architecture for multi-axis motion systems.
What voltage ranges are available for S120 Blocksize?
Depending on the selected model, Siemens documentation lists Blocksize units for 1-phase 200–240 V AC and 3-phase 380–480 V AC supplies.
Is S120 Blocksize a servo drive?
It is more accurately described as a high-performance drive format within the SINAMICS S120 modular drive family. Depending on the configuration, S120 supports servo and vector control applications.
Can S120 Blocksize be used for machine-tool applications?
Yes. SINAMICS S120 is used in demanding motion-control applications including machine tools, packaging, plastics, textiles, printing, cranes and other industrial machinery.
How can I select a replacement S120 Blocksize unit?
Provide the existing Siemens MLFB/order number, motor details, supply voltage, application and quantity. The complete order number should be verified because specifications vary between S120 Blocksize variants.
Need Siemens SINAMICS S120 Blocksize Pricing or Replacement Support?
Looking for a Siemens SINAMICS S120 Blocksize Power Module for a new machine, replacement or industrial automation project?
Send us your Siemens MLFB/order number, motor details, application and required quantity for product identification and quotation support.













