Description
M-SYSTEM KWDY-AA-B
Reliable galvanic isolation and transmission of industrial analog signals in a compact DIN rail package
| Brand | M-SYSTEM |
| Model | KWDY-AA-B |
| Voltage | 24V DC nominal control power |
| Country of Origin | Japan |
| Weight | Approximately 0.2 kg |
| Dimensions | Approximately 22.5 x 100 x 100 mm |
| Warranty | 6 months |
| Certifications | CE; RoHS |
| SKU / MPN | KWDY-AA-B |
| What’s in the box | M-SYSTEM KWDY-AA-B signal isolator; installation documentation |
| Product Type | Signal isolator and signal conditioner |
| Input Signal | 4-20 mA DC analog input |
| Output Signal | 4-20 mA DC analog output |
| Isolation | Input, output, and power isolation |
| Power Supply | 24V DC |
| Mounting | DIN rail mounting |
Key benefits: Reduces ground loops, protects control equipment, improves signal integrity, supports compact panel layouts, and simplifies industrial instrumentation wiring
Typical applications: Process control panels, PLC and DCS analog loops, instrumentation isolation, factory automation, motor control systems, and monitoring equipment
Lifecycle: Industrial product with long-term availability; verify current manufacturer status and technical revision before purchase
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.







Robert M. –
Product was exactly as described. Our engineers were pleased with the performance.