Description
Setting up a standard-density I/O module for a SIMATIC S7-300 rack? The Siemens 6ES7392-1AJ00-0AA0 is a 20-pin front connector designed to bridge your field-level instrumentation directly to the internal circuitry of your PLC signal modules. Featuring a screw-termination block, this accessory removes the need for intermediate terminal strip layers, letting you land field wiring right on the module’s faceplate.
We carry a deep inventory of these components in factory-sealed, new condition to keep your control panel manufacturing lines moving without delay.
Availability and Logistics Core Specs
- Condition: New Original (Factory Sealed)
- Warranty: 12-Month Mechanical and Functional Warranty
- Availability: High Volume In Stock
- Lead Time: 1–2 business days via global express air transport
- Pricing Note: The listed value represents a standard distribution index. Enterprise contract volume tier discounts and consolidated project packaging are fully open to negotiation. Contact our trade desk to request an official itemized quote.
Technical Specifications
The table below catalogs the mechanical properties and wiring limitations for the 6ES7392-1AJ00-0AA0 front connector. Ensure your wire sizes comply with these boundaries before beginning panel termination.
| Parameter | Value |
| Number of Pins | 20-pin configuration (optimized for 8-channel and 16-channel modules) |
| Connection Type | Screw-type terminals |
| Stripping Length | 6 mm |
| Tightening Torque | 0.4 to 0.7 Nm |
| Supported Wire Sizes | 0.25 mm² to 1.5 mm² (24 to 16 AWG), solid or stranded conductors |
| Dimensions (W x H x D) | 21.6 mm \times 125 mm \times 40.9 mm |
| Net Weight | Approx 70 g |
Field Deployment Notes: Enclosure Packing and Mechanical Interlocks
Are you routing thick-insulated wiring? In field deployments with S7-300 standard 20-pin modules, paying attention to the cumulative bend radius of your wire bundle saves significant installation headache. If you utilize heavy-jacketed 1.5 mm² wire on all 20 channels, the resulting bundle gets stiff quickly. It will fight you when you attempt to snap the outer plastic pivoting door shut.
Well, technically the connector handles up to 1.5 mm² conductors, but only if you strip the outer insulation precisely to 6 mm and keep your wire routing perfectly parallel. For tight multi-tier panel layouts, dropping down to a highly flexible 0.75 mm² wire paired with uninsulated ferrules makes dressing the bundle a whole lot simpler.
Important Hardware Detail: When sliding the connector home into the signal module for the initial fit, look closely at the mechanical coding elements that snap onto the back. The very first time you push the 20-pin block into its final operating seat, these plastic pins engage, locking in a physical key profile unique to that exact module type (e.g., an analog input vs a 230 V AC digital output). If a technician later tries to slip this pre-wired connector into the wrong card slot during a high-stress maintenance window, the physical interlock blocks it completely—preventing line voltage from destroying low-voltage electronics.
Global Trade and Shipping Logistics Guide
Moving standard industrial wiring accessories across international borders requires correct customs classification data to prevent transit bottlenecks.
1. Export Compliance & Customs Tariff Profiles
The Siemens 6ES7392-1AJ00-0AA0 is classified strictly as a passive electrical hardware accessory, freeing it from dual-use data or high-tech trade restrictions.
- HS Code: 85366990 (Plugs and sockets for electrical connections up to 1,000 V)
- ECCN: EAR99 (No export license required for non-sanctioned trade paths)
2. Incoterms and Consolidation Strategies
We regularly supply these accessories under CIP (Carriage and Insurance Paid To) or EXW (Ex Works) guidelines. Because these units are compact and light, ordering them standalone incurs high relative freight ratios; we strongly advise consolidating them into a single air-freight shipment alongside your corresponding S7-300 processor or signal modules to flatten your customs entry fees.
3. Protection Protocols and Cargo Packaging
To ensure screw terminals arrive threads-intact and free of transit vibration damage, units are preserved in their original Siemens packaging cartons. These are nested within multi-wall outer shipping boxes packed with anti-crush material.
Frequently Asked Questions
- Does this 20-pin connector come with the pivoting plastic front cover?No, it does not. The 6ES7392-1AJ00-0AA0 is solely the internal 20-pin screw terminal block assembly. The plastic swinging front door that covers the terminations is always shipped as part of the standalone S7-300 signal module itself.
- Can I use this 20-pin connector on a 32-channel I/O module?No. High-density 32-channel S7-300 modules feature a deeper, 40-pin mating socket interface. You must order the 40-pin front connector variant (part number 6ES7392-1AM00-0AA0) to fit those specific high-density cards.
- Is there a spring-loaded version of this 20-pin block available?Yes. If your facility engineering standard requires vibration-resistant spring-clamp terminals instead of traditional screws, you should procure part number 6ES7392-1BJ00-0AA0 instead.
