Yokogawa | SEC402-51 S1 | ESB Bus Coupler Module | Brand New
Automation does not wait. The Yokogawa SEC402-51 is a esb bus coupler module in our Shenzhen warehouse right now. Transmission Speed: 128 Mbps (I/O module data transmission) | Transmission Distance: 10 m maximum (up to 10 m each for upper ESB bus cable and lower ESB bus cable) | Current Consumption: 0.5 A. Verified before packing. 12-month warranty.
Technical Specifications
| SEC402-51 | is a Yokogawa ESB Bus Coupler Module designed for communication between the Field Control Unit and the Node Unit via the ESB bus. |
|---|---|
| Function | ESB bus master interface function |
| Transmission Speed | 128 Mbps (I/O module data transmission) |
| Transmission Distance | 10 m maximum (up to 10 m each for upper ESB bus cable and lower ESB bus cable) |
| Current Consumption | 0.5 A |
| Weight | Approx. 0.24 kg |
| -E | Standard Type with no explosion protection |
| -1 | Standard Type with explosion protection |
| -G3 | With ISA Standard G3 |
| Manufacturer | Yokogawa |
| Model / SKU | SEC402-51 |
Ships within 24 hours | 12-Month Warranty | Worldwide Delivery
Everything You Need to Know About the Yokogawa SEC402-51
What is this module? The SEC402-51 is a esb bus coupler module for Yokogawa automation systems. function: ESB bus master interface function; transmission speed: 128 Mbps (I/O module data transmission); transmission distance: 10 m maximum (up to 10 m each for upper ESB bus cable and lower ESB bus cable); current consumption: 0.5 A.
Is it genuine? Yes. Every Yokogawa module we sell is 100% genuine — not a clone, not a compatible replacement. Manufacturer serial numbers and holographic labels are intact with full traceability.
How fast can I get it? We ship within 24 hours of confirmed payment from Shenzhen via DHL, FedEx, or UPS. Typical delivery is 3–5 business days worldwide. Customs documentation is included with every shipment.
What if it does not work? First, verify the module is installed in the correct chassis slot as configured in your system software. Slot mismatch is the #1 cause of DOA reports. If confirmed defective, we ship an advance replacement immediately under our 12-month warranty — before we even receive the returned unit.
Do I need to buy more than one? For critical offshore applications, we recommend keeping one cold spare. The carrying cost is negligible compared to even a few hours of downtime. Contact us for volume pricing on 5+ units.
Compatible Parts — Same System
These modules share the same system family as the SEC402-51. Commonly ordered together for complete rack builds or spare parts kits.
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