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Siemens 6ES7400-1JA01-0AA0 | UR2 Rack (9-Slot, for S7-400)

Manufacturer: Siemens

Model: 6ES7400-1JA01-0AA0

Type: SIMATIC S7-400 UR2 Rack (Central/Distributed, 9 slots)

Note: It is a rack (backplane), not a power supply itself; it accepts up to 2 redundant PS407 power supplies.

Status: Active / Available

Certifications: CE, UL, FM, RCM, KC, EAC

Specifications

Designation: UR2 Rack
Slots: 9 universal slots (for CPU, PS, I/O, comms modules)
Bus: Integrated P-bus (I/O) + K-bus (communication)
Redundancy: Supports 2 redundant PS407 power supplies
Dimensions (W×H×D): 257.5 × 290 × 27.5 mm
Weight: ~2.5 kg
Operating Temp: 0 °C to +60 °C
Mounting: Standard S7-400 cabinet rail

Key Features

9-slot UR2 rack for central or distributed S7-400 configurations.
Dual power supply slots for redundant PS407 (high reliability).
Integrated P/K buses enable fast I/O and communication data exchange.
Industrial-grade build for long-term stability in harsh automation environments.
Wide certification coverage for global deployment in process and manufacturing.

Applications

Central and distributed control in SIMATIC S7-400 PLC systems.
Process automation (chemical, oil/gas, power, pharmaceuticals).
High-reliability manufacturing lines (automotive, electronics).
Redundant system architectures requiring dual power supplies.

The structure and details of the product：

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