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Siemens SIMATIC

Siemens SIMATIC S7-400 PLC Parts

Source CPUs, power supplies, I/O modules and communication for S7-400 large PLC systems. We supply replacement parts for high-availability automation. 17+ models available.

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High-end CPUs

S7-400 CPU 412, 414, 416, 417 series for large-scale process and factory automation.

I/O Modules

Digital and analog I/O modules for large automation systems with high channel counts.

Power Supplies

PS405 and PS407 power supply modules for S7-400 rack systems.

Popular Siemens S7-400 Models

These large-system PLC models are used in process manufacturing and high-availability applications.

Model Product Category Quote
6ES7 412-2EK06-0AB0 CPU 412-2 PN/DP PLC View Details →
6ES7 414-3EM05-0AB0 CPU 414-3 PN/DP PLC View Details →
6ES7 414-4HM14-0AB0 CPU 414-4H CPU Redundant PLC View Details →
6ES7 414-4HM14-0AB4 CPU 414-4H CPU Redundant PLC View Details →
6ES7 416-2FN05-0AB0 CPU 416-2 DP PLC View Details →
6ES7 416-3ER05-0AB0 CPU 416-3 PN/DP PLC View Details →
6ES7 417-4HT14-0AB0 CPU 417-4H Redundant PLC View Details →
6ES7 421-1BL01-0AA0 SM 421 Digital Input 32CH PLC View Details →
6ES7 422-1BH11-0AA0 SM 422 Digital Output 16CH PLC View Details →
6ES7 431-1KF00-0AB0 SM 431 Analog Input 8AI PLC View Details →
6ES7 432-1HF00-0AB0 SM 432 Analog Output 8AO PLC View Details →
6ES7 451-1AH00-0AE0 FM 451 Position Input PLC View Details →
6ES7416-2XP05-0AB0 SIMATIC S7-400 CPU416-2 处理器 PLC View Details →
6ES7421-1EL00-0AA0 SIMATIC S7-400 SM421 数字量输入模块 32点 PLC View Details →
6ES7431-1KF00-0AB0 SIMATIC S7-400 SM431 模拟量输入模块 8路 PLC View Details →
6ES7443-1EX30-0XE0 SIMATIC S7-400 CP443-1 以太网模块 PLC View Details →
6GK7 443-1EX30-0XE0 SIMATIC NET CP 443-1 Advanced Communication View Details →

Showing 30 of 17 models. All models are available for quotation.

S7-400 Product Categories

High-performance CPUs

From 412 to 417 performance levels for large automation systems.

Digital I/O Modules

High-density digital input and output modules for rack systems.

Analog I/O Modules

Precision analog modules for process control applications.

Communication

PROFINET, PROFIBUS, and network communication processors.

Need a Siemens S7-400 Part?

Send us the exact 6ES7 part number. We check availability and reply with price, condition and lead time.

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