| MLFB no: | DESCRIPTION |
|---|---|
| 6ES7412-2EK07-0AB0 | SIEMENS S7-400, CPU 412-2 PN — entry-level performance range for the S7-400 family, PROFINET/PROFIBUS interface, standard reference model on this page. Suitable for mid-range automation solutions. |
| 6ES7414-3EM07-0AB0 | SIEMENS S7-400, CPU 414-3 PN/DP — mid-performance range CPU with integrated PROFINET and PROFIBUS DP interfaces for standard and communication-intensive applications. |
| 6ES7416-3ER07-0AB0 | SIEMENS S7-400, CPU 416-3 PN/DP — high-performance range CPU for extensive automation solutions with a high engineering component and large program/data memory. |
| 6ES7417-4HT14-0AB0 | SIEMENS S7-400H, CPU 417-4H — fault-tolerant, redundant CPU for the S7-400H product line, designed for high-availability process-industry applications. |
| 6AG1412-2XJ06-4AB0 | SIEMENS S7-400, SIPLUS S7-400 CPU 412, -25°C to +60/70°C with conformal coating, based on the standard 6ES7412 series. Rated for increased chemical, mechanical and biological loading, higher installation altitude and up to 100% relative humidity. |
| 6ES7407-0KA02-0AA0 | SIEMENS S7-400, PS 407 10A power supply module for the S7-400 rack, 120/230V AC input. |
| 6ES7400-1TA11-0AA0 | SIEMENS S7-400, UR2-H central/expansion rack, 18-slot backplane bus unit for redundant S7-400H configurations. |
| 6ES7421-1BL01-0AA0 | SIEMENS S7-400, SM 421 digital input module, 32 x DC 24V, for standard S7-400 signal expansion. |
| 6ES7422-1BL00-0AA0 | SIEMENS S7-400, SM 422 digital output module, 32 x DC 24V/0.5A, for standard S7-400 signal expansion. |
| 6ES7443-1EX30-0XE0 | SIEMENS S7-400, CP 443-1 communication processor for PROFINET/Industrial Ethernet connectivity on the S7-400 backplane. |
SIEMENS SIMATIC S7-400
Siemens SIMATIC S7-400 — CPU 41x Series (6ES7414-3EM07-0AB0)
Dealer · Supplier · Distributor · Trader · Exporter · Stockist · System House · Service Provider
The Siemens SIMATIC S7-400 is a modular, rack-based PLC built for the mid-to-high performance range, particularly suited to extensive automation solutions with a high engineering component. Its powerful backplane bus and communication interfaces connected direct to the CPU enable high-performance operation of multiple communication lines at once — separating HMI/programming traffic, equidistant motion-control traffic, and standard I/O fieldbus traffic, with additional connections to MES/ERP systems or the internet where required.
We are an internationally trusted Siemens PLC supplier, dealer, exporter and stockist, delivering original, factory-sealed S7-400 CPUs, SIPLUS extended-temperature variants, backplane racks, power supplies, signal and communication modules for OEMs, panel builders, EPC contractors and system integrators across India and global markets, quoted per MLFB, shipment size and destination country.
Get Live Price & Datasheet →What it is
A Siemens SIMATIC S7-400 rack-based automation system — a modular, high-performance PLC built around the CPU 41x family, expandable with signal, communication and function modules and configured with the SIMATIC Engineering Tools.
Who buys it
Process-industry engineering teams, OEM machine manufacturers, panel builders, system integrators and EPC contractors sourcing through a dealer, distributor, trader or direct exporter for mid-to-high performance and engineering-intensive automation projects.
How to buy or import
Share the MLFB part number for your required S7-400 CPU, power supply, backplane rack or SIPLUS variant through the enquiry form for current price, stock, and export/shipping terms to your country.
Key Technical Highlights
- Powerful backplane bus with communication interfaces connected direct to the CPU, enabling high-performance operation of multiple communication lines simultaneously
- Separate communication paths possible for HMI/programming tasks, high-performance equidistant motion control, and standard I/O fieldbus, plus optional MES/ERP or internet connections
- Configured and programmed with the SIMATIC Engineering Tools (STEP 7 / TIA Portal), efficient even for extensive, engineering-intensive automation solutions
- SIPLUS S7-400 standard CPUs rated for -25°C to +60/+70°C ambient temperature, increased resistance to chemical, mechanical and biological loading including salt spray, higher installation altitudes, and up to 100% relative humidity
- Long-term investment security through continuous development of the S7-400 series, ensuring the right controller stays available for process-industry automation
- Redundancy and fail-safe capability through the S7-400H and S7-400F/FH product lines for high-availability applications
All supplied models are factory-sealed, original Siemens, and include official documentation.
Common Industrial Applications
- Mid-to-high performance automation for process industries with extensive engineering requirements
- High-performance, equidistant motion-control applications separated from HMI and standard I/O traffic
- Chemical, mechanical and biologically demanding environments, and installations exposed to salt spray, via SIPLUS extended-range CPUs
- Water & wastewater treatment, utilities and power plants requiring redundant, high-availability control
- Integration with MES/ERP systems and remote monitoring over internet-connected communication paths
- High-availability applications via S7-400H and S7-400F/FH redundant configurations, often paired with redundant ET 200M I/O
Siemens S7-400 Authorized Supplier in India
We provide genuine Siemens S7-400 systems across all major Indian industrial zones including Mumbai, Pune, Ahmedabad, Vadodara, Surat, Rajkot, Nashik, Aurangabad, Delhi NCR, Gurugram, Faridabad, Noida, Bangalore, Chennai, Coimbatore, Hyderabad, Secunderabad, Visakhapatnam, Indore, Jaipur, Kota, Nagpur, Bhopal, Raipur, Kolkata and Howrah.
- Immediate stock availability and project-based planning
- Bulk pricing for OEM, panel builder and EPC-contractor projects
- Pre-sales technical consultation and product guidance
- Genuine Siemens warranty, documentation and lifecycle support
Need Pricing or Technical Assistance?
Contact our automation specialists for the best quotation on Siemens SIMATIC S7-400 CPUs and accessories. We ensure reliable supply, competitive pricing and expert technical support worldwide — serving India, Middle East, Asia Pacific, Africa and worldwide export markets.
Frequently Asked Questions
What is Siemens SIMATIC S7-400 used for?
Siemens SIMATIC S7-400 is a modular, rack-based PLC built for the mid-to-high performance range and extensive, engineering-intensive automation solutions. Its powerful backplane bus and direct-to-CPU communication interfaces support division into separate paths for HMI/programming tasks, high-performance equidistant motion control, and standard I/O fieldbus traffic, alongside optional connections to MES/ERP systems or the internet.
What environmental conditions can SIPLUS S7-400 CPUs handle?
SIPLUS S7-400 standard CPUs are rated for a wide ambient temperature range of -25°C to +60/+70°C, increased resistance to chemical, mechanical and biological loading including salt spray, higher installation altitudes, and relative humidity up to 100%.
Do you supply Siemens S7-400 modules with MLFB numbers?
Yes. We supply original Siemens S7-400 components with exact MLFB numbers across the 6ES7412, 6ES7414, 6ES7416, 6ES7417 CPU series along with backplane racks, power supplies, signal modules and SIPLUS extended-temperature variants, with full traceability.
Are Siemens S7-400 systems suitable for export projects?
Absolutely. Siemens S7-400 PLC systems are widely used in export projects across UAE, Saudi Arabia, Qatar, Indonesia, Vietnam, Malaysia, Thailand, Singapore, Sri Lanka and South Africa. We provide export-ready packing, documentation and technical support.
Can Siemens S7-400 be used in redundant, high-availability systems?
Yes. The S7-400H and S7-400F/FH product lines are purpose-built for fault-tolerant and fail-safe operation, making the S7-400 family a common choice for process industries that require high availability, often paired with redundant ET 200M distributed I/O.
Is TIA Portal or STEP 7 required for Siemens S7-400 configuration?
Yes. The S7-400 is configured and programmed with the SIMATIC Engineering Tools (STEP 7 / TIA Portal), which is particularly efficient for extensive automation solutions with a high engineering component.
Are Siemens S7-400 modules supplied with warranty?
Yes. All Siemens S7-400 products supplied by us are original products with manufacturer warranty, test verification and post-sales technical support.
How do I get a price quote for a specific S7-400 MLFB?
Send the MLFB part number (for example 6ES7414-3EM07-0AB0), quantity and delivery location through the enquiry form on this page for a live price, stock status and datasheet.
Have an MLFB number and a destination country in mind? Share both and get a shipping-inclusive price quote within one business day.
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