The Emerson KJ2221X1-BA1 SIS Repeater is a high-performance module designed for industrial safety instrumented systems. It amplifies signals in hazardous areas ensuring safe and reliable operation of your control system.
Description
The Emerson KJ2221X1-BA1 is a Safety Instrumented System (SIS) Repeater Module designed for critical signal transmission in hazardous industrial environments. As part of the DeltaV series, it enhances safety and reliability in oil & gas, petrochemical, and manufacturing facilities by ensuring accurate signal amplification across long distances while withstanding extreme conditions.
| Parameter | Specification |
|---|---|
| Brand | Emerson |
| Series | DeltaV |
| Product Type | SIS Repeater Module |
| Input Power | 24 VDC 300 mA (max) |
| Weight | 0.8 kg |


This module integrates seamlessly with Emerson’s DeltaV SIS platforms, providing critical safety redundancy in process shutdown systems, emergency response circuits, and fire/gas detection networks. It’s compatible with DeltaV series controllers and I/O modules, offering plug-and-play installation for rapid deployment in safety-critical applications where signal integrity is non-negotiable.
We source genuine Emerson products directly from authorized channels, providing competitive pricing with full 1-year warranty coverage. Our technical team offers expert pre-sales consultation and after-sales support. Contact us for volume discounts or hard-to-find models. Visit module-plc-dcs.com for complete automation solutions.







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