Industrial Wiring & I/O Termination Solution – Siemens 6ES7392-1BM01-0AA0 | SIMATIC S7-300
Where This Product Is Used
The Siemens 6ES7392-1BM01-0AA0 is a 40-pin front connector designed exclusively for SIMATIC S7-300 signal modules. It is the standard field-wiring interface wherever S7-300 I/O modules are deployed:
- Automotive assembly lines – connecting proximity sensors, solenoid valves, and servo drives to S7-300 digital I/O modules
- Food & beverage processing – hygienic-area wiring termination for temperature, flow, and level transmitters
- Water & wastewater treatment – field instrument termination in pump-control and SCADA panels
- Pharmaceutical manufacturing – validated wiring interfaces in GMP-compliant control cabinets
- Building automation & HVAC – BMS panel wiring for S7-300-based energy management systems
- Machine tool & packaging OEM – compact panel builds requiring reliable, re-usable connector assemblies
Technical Specifications
- Part Number: 6ES7392-1BM01-0AA0
- Series: SIMATIC S7-300
- Type: Front Connector, 40-pin (screw-type terminals)
- Compatible Modules: S7-300 SM 321, SM 322, SM 323, SM 331, SM 332, SM 334, SM 338 (40-pin variants)
- Terminal Type: Screw-clamp, cage-clamp compatible
- Conductor Cross-Section: 0.25 – 1.5 mm² (AWG 24–16)
- Rated Voltage: 250 V AC/DC
- Rated Current per Contact: 10 A
- Degree of Protection: IP20 (when mated)
- Operating Temperature: 0 °C to +60 °C
- Storage Temperature: –40 °C to +70 °C
- Dimensions (W × H × D): Approx. 40 × 125 × 50 mm
- Weight: Approx. 100 g
- Color: Light gray (RAL 7035)
- Mounting: Plug-in, front-mount; locks onto S7-300 signal module
Why Engineers Specify This Model
- Module-swap without rewiring – the connector stays in place when the signal module is replaced, eliminating re-termination downtime
- Integrated cable strain relief – reduces vibration-induced terminal loosening in harsh industrial environments
- Labeling strip included – supports clear, auditable field-wiring documentation per IEC 60204-1
- Screw-type terminals – preferred in high-vibration and high-current applications over spring-clamp alternatives
- Genuine Siemens part – ensures full compatibility with S7-300 module locking mechanism and UL/CE certification chain
Complete System Bill of Materials
For a complete S7-300 I/O station, engineers typically pair this connector with:
- 6ES7321-1BL00-0AA0 – SM 321 32 × DI 24 V DC module
- 6ES7322-1BL00-0AA0 – SM 322 32 × DO 24 V DC / 0.5 A module
- 6ES7331-7KF02-0AB0 – SM 331 8 × AI module
- 6ES7315-2AG10-0AB0 – CPU 315-2 DP central processing unit
- 6ES7392-1AJ00-0AA0 – 20-pin front connector (for 20-pin modules)
- DIN rail, S7-300 bus connectors, and 24 V DC power supply (PS 307)
Compliance & Industry Standards
- CE marked – compliant with EU Low Voltage Directive 2014/35/EU
- UL listed – suitable for North American panel builds
- RoHS compliant – meets EU Directive 2011/65/EU on hazardous substances
- Manufactured to IEC 61131-2 (Programmable Controllers – Equipment Requirements)
- Compatible with ATEX-zone panel designs when used with appropriate enclosures
Quality Assurance & Sourcing
Every 6ES7392-1BM01-0AA0 unit shipped by Konmask.com undergoes a multi-point inspection:
- Visual inspection of housing, terminal screws, and locking tab integrity
- Continuity check on all 40 contacts
- Authenticity verification against Siemens packaging and date-code standards
- Anti-static packaging for safe transit
We source exclusively from authorized Siemens distribution channels and vetted industrial surplus with full traceability documentation available on request.
How to Source This Part
- In-stock orders: Add to cart and check out – most orders ship within 1–2 business days
- Bulk / project quantities: Contact support@konmask.com for volume pricing and lead-time confirmation
- Urgent requirements: Call or WhatsApp +0086 19859288691 for same-day quotation
- International shipping: DHL / FedEx / UPS express available to 150+ countries
Application-Specific FAQ
Q: Is 6ES7392-1BM01-0AA0 compatible with S7-400 modules?
A: No. This connector is designed exclusively for S7-300 40-pin signal modules. S7-400 uses a different connector form factor.
Q: Can I reuse this connector after replacing a faulty SM module?
A: Yes. The front connector is designed to remain wired in the panel while the signal module is swapped – this is one of its primary design advantages.
Q: What is the maximum wire gauge I can terminate?
A: Up to 1.5 mm² (AWG 16) for power/signal wires; 0.25 mm² (AWG 24) minimum for signal wires.
Q: Does this connector include a labeling strip?
A: Yes, a blank labeling strip is included. Custom pre-printed strips are available from Siemens (order separately).
Q: What is the difference between 6ES7392-1BM01-0AA0 and 6ES7392-1BM00-0AA0?
A: The -1BM01- revision includes minor mechanical improvements to the locking tab and terminal screw torque specification. Both are functionally interchangeable for most applications.
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Contact: support@konmask.com | +0086 19859288691
