Description
The Siemens 6ES7590-0AA00-0AA0 (U-Connector) and 6ES7592-3AA00-0AA0 (Potential Bridges) are essential spare parts for the SIMATIC S7-1500 and ET 200MP automation systems. The U-Connector is a self-assembling backplane bus element used to connect I/O modules on the mounting rail, enabling the electrical bus connection between adjacent modules. The Potential Bridges are small, conductive metal clips designed to be inserted into the front connector (40-pin) of 35mm wide I/O modules. They are used to internally bridge specific terminal pairs (e.g., 9/29, 10/30, 19/39, 20/40) to supply the same potential (e.g., 24V L+ or 0V M) to multiple load groups without external jumper wires, significantly reducing wiring effort and cabinet space.
Key Features
- Genuine Siemens Spare Parts: 100% original components for guaranteed compatibility with S7-1500/ET 200MP.
- U-Connector (6ES7590-0AA00-0AA0): Self-assembling design; connects the backplane bus of I/O modules; 5 units per packing unit.
- Potential Bridges (6ES7592-3AA00-0AA0): High-traffic bridge connector for 24V DC modules; 20 units per packing unit.
- Wiring Efficiency: Potential bridges eliminate the need for external loop wiring, reducing installation time by up to 50%.
- High Current Capacity: Each potential bridge supports up to 8 A maximum rated current.
- Compact Design: Essential for maintaining a clean and organized control cabinet layout.
Technical Specifications
Parameter | Specification (6ES7590-0AA00-0AA0) | Specification (6ES7592-3AA00-0AA0) |
|---|---|---|
Product Type | U-Connector (Backplane Bus Connector) | Potential Bridge (for Front Connector) |
Compatibility | SIMATIC S7-1500, ET 200MP I/O Modules | 40-pin Front Connectors for 35mm wide modules |
Packing Unit | 5 units | 20 units |
Rated Voltage | System Bus Voltage (Typically 24V DC logic) | 24 VDC Max (Not for 230V or Analog Modules) |
Current Capacity | N/A (Signal Bus) | 8 A per bridge |
Application | Mechanical and electrical connection between modules | Internal bridging of terminals (e.g., L+ or M) |
Dimensions | Approx. 13.7 x 10.1 x 2.2 cm (Packaging) | 75 x 91 x 7 mm (Bridge Unit) |
Net Weight | 0.103 kg (per packing unit) | Approx. 0.55 kg (per 20-unit pack) |
Standards | CE, RoHS | CE, UL, RoHS compliant |
Warranty & After-Sales
- Factory new units: 12 months warranty (Original Siemens, Bulk Pack)
- Refurbished units: 3-6 months warranty (Cleaned, Tested, Functionally Verified)
- Technical Support: Assistance with identifying correct terminal pairs for bridging (e.g., Digital Input vs. Digital Output modules require different bridge positions).
- Installation Guidance: Step-by-step instructions on how to snap the U-Connector onto the rail and how to insert potential bridges into the front connector slots.
Delivery Time
- Standard delivery: 3-5 working days (Global Stock)
- Express shipping: Available for urgent machine downtime repairs.
Why Choose Our Store
- Critical Spare Parts Specialist: We understand that these small components are critical for system commissioning and repair. A missing U-Connector can halt an entire station build.
- Compatibility Guarantee: We verify that the potential bridges are for 35mm modules only (they do not fit 25mm modules) and are for 24V DC signals only (not for 230V AC or analog modules).
- Bulk Pricing: Competitive pricing on multi-pack orders for large panel shops.
Applications
- System Expansion: Adding new I/O modules to an existing S7-1500 rack (requires U-Connector).
- Maintenance/Repair: Replacing a damaged U-Connector or lost potential bridges during module replacement.
- Wiring Optimization: Using potential bridges to daisy-chain power to multiple sensors/actuators from a single front connector source.
- Control Cabinet Retrofit: Upgrading older wiring methods to the modern S7-1500 push-in or screw-type front connector system.
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