The SIEMENS SIMATIC S7-400 CPU 412-3H 6ES7412-3HJ14-0AB0 is a powerful, fault-tolerant central processing unit engineered for the S7-400H redundant system architecture. It delivers seamless hot standby switching for mission-critical automation environments where process continuity is non-negotiable. With its robust memory allocation and versatile communication capabilities, this CPU is the backbone of high-availability solutions in industries such as oil & gas, chemical processing, and water treatment. The CPU 412-3H ensures consistent performance even under demanding conditions, making it a trusted choice for engineers seeking both reliability and scalability in their control systems.
| Specification |
Details |
| Product Type |
Central Processing Unit for S7-400H Systems |
| Model Number |
6ES7412-3HJ14-0AB0 |
| CPU Type |
CPU 412-3H |
| Memory Total |
768 KB |
| Program Memory |
512 KB |
| Data Memory |
256 KB |
| Integrated Interfaces |
1 x MPI/DP (RS485); 2 x Sync Module Ports |
| Power Supply |
24 V DC (external, via backplane bus) |
| Redundancy Support |
Hot Standby (S7-400H configuration) |
| Max. Number of I/O Modules |
Up to 21 in a single rack (expandable via ERs) |
| Max. Number of Racks |
4 (1 CR + 3 ERs) |
| Max. Number of DP Slaves |
125 via PROFIBUS DP |
| Max. Number of Connections |
16 (8 for S7 communication + 8 for PG/OP) |
| Programming Software |
STEP 7 V5.5 or higher (including SP2 for H systems) |
| Operating Temperature |
0 °C to 60 °C |
| Storage Temperature |
-40 °C to 70 °C |
| Relative Humidity |
5% to 95% (non-condensing) |
| Protection Class |
IP20 |
| Dimensions (W x H x D) |
50 mm x 290 mm x 280 mm |
| Weight |
Approx. 1.2 kg |
| Certifications |
CE, cULus, ATEX (Zone 2) |
What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22