# Durchgangsprüfer TB 20 Plus b.300 V CAT II 300 V TESTBOY)

> Price comparison in Germany (EUR). Lowest price right now: **45,49 €** at Contorion.de plus 5,95 € delivery, in stock. 1 offer from 1 shop. Checked 2026-10-11T21:08:20Z.

## Product
- Brand: TESTBOY
- Category: [Haus & Garten](https://pricuro.com/de/haus-garten.md) > [Werkzeug](https://pricuro.com/de/haus-garten/werkzeug.md)
- EAN/GTIN: 4028532200220
- Manufacturer part number: TB20PLUS
- Page: https://pricuro.com/de/p/durchgangspruefer-tb-20-plus-b-300-v-cat-ii-300-v-testboy-15797973
- Image: https://pricuro.com/img/15797973/800/durchgangspruefer-tb-20-plus-b-300-v-cat-ii-300-v-testboy.webp

## Offers (1, sorted by total price incl. delivery; used/refurbished last)

| # | Shop | Price | Delivery | Total | Availability | Condition | Buy |
|---|---|---|---|---|---|---|---|
| 1 | Contorion.de | 45,49 € | 5,95 € | 51,44 € | in stock | new | https://pricuro.com/go/48532658 |

## Price history (lowest price per day in Germany, tracked since 2026-10-07, 5 days)

- Lowest price today: 45,49 €
- Last 30 days: lowest 45,49 €, highest 45,49 €, average 45,49 €
- All-time low on Pricuro: 45,49 € (2026-10-07)
- Note: the history is still short, so it does not yet show whether today's price is a good one.

| Date | Lowest price |
|---|---|
| 2026-10-07 | 45,49 € |
| 2026-10-08 | 45,49 € |
| 2026-10-09 | 45,49 € |
| 2026-10-10 | 45,49 € |
| 2026-10-11 | 45,49 € |

## Specifications


Description (from a shop): Einleitung erkennt dank des berührungslosen Spannungssensors Wechselspannung durch die Isolierung hindurch • eingebauter Stromwarner warnt vor lebensbedrohlicher Spannung • ermöglicht die einpolige Phasensuche • Taschenlampenfunktion • Durchgangsprüfung: optisch 0 - 20 Ω / akustisch 0 - 250 Ω • Prüfspannung: 4,5 V • Prüfstrom: optisch ca. 10 mA /akustisch ca. 2 mA • Fremdspannungsschutz: bis 300 V • Messkategorie: CAT II 300 V Weitere technische Eigenschaften • Durchgangsprüfung: LED/Summer\ • prüfpflichtig: ja (TB 20 PLUS)

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Source: Pricuro (https://pricuro.com), an independent price comparison for Germany. Canonical page: https://pricuro.com/de/p/durchgangspruefer-tb-20-plus-b-300-v-cat-ii-300-v-testboy-15797973
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