Description
Kikusui TOS5050A
Reliable AC withstanding voltage tester for production line safety compliance and quality assurance testing
| Brand | Kikusui |
| Model | TOS5050A |
| Voltage | 100-120V/200-240V AC, 50/60 Hz |
| Country of Origin | Japan |
| Weight | Approx. 20 kg |
| Dimensions | 320 x 132 x 350 mm |
| Warranty | 6 months |
| Certifications | CE, IEC 61010-1, IEC 61010-031 |
| SKU / MPN | TOS5050A |
| What’s in the box | TOS5050A main unit, HV test leads (red/black), power cord, instruction manual, calibration certificate |
| Output Voltage | 0 to 5 kV AC |
| Output Capacity | 500 VA (5 kV/100 mA) |
| Current Measurement | 0.1 to 110 mA AC |
| Voltage Accuracy | ± (5% of reading + 10 V) |
| Test Modes | AC Withstand, Insulation Resistance (DC mode) |
| Display | Digital voltage and current meters with LED indicators |
Key benefits: 500 VA high-capacity output, precise voltage/current measurement, robust safety features, zero-volt start function, easy operation with clear digital readouts, durable Japanese construction for long service life
Typical applications: Production line hipot testing, electrical appliance safety certification, insulation testing of components, QA/QC labs, transformer and motor testing, compliance testing for IEC/UL/CSA standards
Lifecycle: Active product, established model with ongoing support and availability
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.
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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.








Patricia E. –
Excellent support when we had integration questions. The product met our standards.