For electricians who test everything from low-voltage control circuits to 1000 V lines with one tester. The KYORITSU KEW 3551 is a digital insulation resistance tester with 6 test voltages (50 / 100 / 125 / 250 / 500 / 1000 V) and an AC voltage check up to 600 V. Genuine product, sold new and shipped from Japan.
Will it work outside Japan?
- Same model sold worldwide. KYORITSU lists the KEW 3551 under the same model number on its international site, rated IEC 61010 CAT III 600 V / CAT IV 300 V and IEC 61557-1/-2/-4, IP40.
- Power: 4 × AA batteries, easy to replace anywhere.
- Manual: the manual in the box is in Japanese. KYORITSU publishes an English instruction manual (PDF). Display language settings: Not confirmed.
In the box
- 7260 test lead with remote control switch
- 7261A alligator clip lead
- 8017A extension prod (long)
- 9173 carrying case
- 9121 shoulder strap
- 4 × AA batteries
- Instruction manual (Japanese)
Specifications
- Model: KEW 3551
- Insulation resistance test voltages: 50 / 100 / 125 / 250 / 500 / 1000 V (6 ranges)
- Minimum display: 0.100 MΩ
- AC voltage: up to 600 V
- Safety: IEC 61010 CAT III 600 V / CAT IV 300 V, IEC 61557-1/-2/-4, IP40
- Power: 4 × AA batteries (included)
- Dimensions: 97 (H) × 156 (W) × 46 (D) mm
- Weight: 490 g
- Country of Origin: Japan
Shipping and duties: ships from Japan with tracking. For US orders, shipping and import duties are included in the price. Outside the US, import duties and taxes are paid by the buyer.
FAQ
Are you the same seller as yourtoolboxJP on eBay?
Yes. We have sold on eBay as yourtoolboxJP since 2023, with 99.6% positive feedback and 750+ items sold (see our eBay feedback). This website is our own store, and orders ship from the same team in Japan.
Buying several units for your company?
Request a business quote.
How long does delivery take?
We ship from Japan within 5–7 days, and most orders arrive in about 1–2 weeks.
Specifications and box contents: KYORITSU KEW 3551 product pages (kew-ltd.co.jp, Japanese and English sites). Specifications may change; check the maker's documentation for critical use.
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