Siemens 6ES7392-1AJ00-0AA0 SIMATIC S7-300 20-Pole Front Connector – Screw-Terminal Version
20-Pole Front Connector
Screw-Terminal Connection
6ES7392-1AJ00-0AA0 pdf
Place of Origin:
Germany
Brand Name:
Siemens
20-Pole Front Connector
,Screw-Terminal Connection
,6ES7392-1AJ00-0AA0 pdf
Siemens 6ES7392-1AJ00-0AA0
SIMATIC S7-300 · 20-Pole Front Connector · Screw-Terminal Version
Designed for industrial control wiring applications, this connector provides the interface between external conductors and compatible signal-module connections. It is a component commonly considered during S7-300 maintenance, wiring service and spare-parts replacement.
Product Identification
A concise identification profile of the selected component.
Technical Specifications
Connection preparation and environmental data.
| Number of conductors per connection | One conductor, or two conductors in a shared ferrule |
| Maximum combined conductor cross-section in shared ferrule | 1.5 mm² total |
| Solid conductor cross-section | 0.25–1.5 mm² |
| Flexible conductor without ferrule | 0.25–1.5 mm² |
| Flexible conductor with ferrule | 0.25–1.5 mm² |
| AWG conductor range | AWG 24–16 |
| Required wire stripping length | 6 mm |
| Ambient temperature during operation | 0 to +60 °C |
| Ambient temperature during storage / transportation | -40 to +70 °C |
Additional Connection Preparation Notes
Application & Failure Scenarios
Maintenance situations in which the correct front connector becomes important.
This component is relevant to field-wiring interfaces in established PLC I/O installations. During maintenance, connector condition and wiring integrity can directly affect the reliability of signal connections.
Used when servicing field wiring connections or replacing a connector during scheduled control-cabinet maintenance.
Cracked connector housings, damaged terminal points or worn connection structures may require a suitable replacement.
Loose or damaged wiring connections can contribute to unstable field signals and unexpected I/O interruptions, potentially extending equipment downtime.
Delivery & Warranty
Order handling and after-sales support at a glance.
Industrial Parts. Connected Support.
Reliable communication, practical sourcing coordination and a real contact for your industrial parts enquiries.
Practical support for industrial automation maintenance and replacement requirements.
Your contact for product enquiries and quotation coordination.
Share your model, quantity and delivery requirements to start an enquiry.
Frequently Asked Questions
Common identification and ordering questions.
1. What is the 6ES7392-1AJ00-0AA0 used for?
It is a front connector for compatible SIMATIC S7-300 signal modules. It provides connection points for external I/O signal wiring.
2. Does this connector use screw or spring terminals?
This ordering number identifies the screw-terminal version. The spring-loaded 20-pole version has a different Siemens order number, 6ES7392-1BJ00-0AA0.
3. What conductor sizes can be connected?
The specified conductor cross-section is 0.25–1.5 mm². The required stripping length is 6 mm. Two conductors may be combined in a shared ferrule within the specified total cross-section.
4. Can this connector be used with any S7-300 signal module?
Confirm that the target module has a compatible 20-pole front connection and that its wiring arrangement matches the screw-terminal configuration.
5. What should I check before ordering a replacement?
Check the complete Siemens order number, pole arrangement, terminal configuration and existing signal module. A photo of the installed connector and module nameplate can also help with identification.
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