---
product_id: 17584873
title: "Down Transformer 550W 120V: 100V NDF-550U by Nissyo Kogyo"
brand: "nissyo"
price: "1075.67 DT"
currency: TND
in_stock: true
category: "Nissyo"
url: https://www.desertcart.tn/products/17584873-down-transformer-550w-120v-100v-ndf-550u-by-nissyo-kogyo
store_origin: TN
region: Tunisia
---

# 550W power capacity Compact 71x97x85mm size Built-in thermal fuse protection Down Transformer 550W 120V: 100V NDF-550U by Nissyo Kogyo

**Brand:** nissyo
**Price:** 1075.67 DT
**Availability:** ✅ In Stock

## Summary

> 🌍 Power your world, anywhere, anytime.

## Quick Answers

- **What is this?** Down Transformer 550W 120V: 100V NDF-550U by Nissyo Kogyo by nissyo
- **How much does it cost?** 1075.67 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/17584873-down-transformer-550w-120v-100v-ndf-550u-by-nissyo-kogyo)

## Best For

- nissyo enthusiasts

## Why This Product

- Trusted nissyo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Yet Mighty:** Small footprint (just 1.6kg) fits effortlessly into any workspace or travel kit.
- • **Safety First, Always:** Internal thermal fuse ensures reliable protection against overheating.
- • **Power Your Global Ambitions:** Seamlessly convert 120V to 100V for international use without a hitch.
- • **Trusted Industrial Standard:** Ranked #31 in Isolation Transformers with a stellar 4.6-star rating from professionals.
- • **Versatile Frequency Support:** Operates smoothly across 50-60Hz, perfect for diverse electrical environments.

## Overview

The Nissyo Kogyo NDF-550U Down Transformer delivers a reliable 550W power conversion from 120V to 100V in a compact 71x97x85mm design. Weighing just 1.6kg, it features an internal thermal fuse for enhanced safety and supports both 50Hz and 60Hz frequencies, making it ideal for international and industrial applications. Highly rated and trusted, it’s a must-have for professionals needing dependable voltage transformation.

## Description

Specification down transformers. Type is also affordable price. You can use the product outside of Japan Japan's electricity. Has an internal thermal fuse. Please confirm capacity and consumption of input voltage.

## Features

- Size : 71 x 97 x 85mm
- Weight : 1.6kg
- Power Supply : AC120V / AC100V

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0017HA3P2 |
| Best Sellers Rank | #189,944 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #31 in Isolation Transformers |
| Brand Name | NISSYO |
| Customer Reviews | 4.6 4.6 out of 5 stars (33) |
| Item Dimensions D x W x H | 3.35"D x 3.82"W x 3.35"H |
| Item Weight | 1 kg |
| Manufacturer | Nissyo Kogyo |
| Maximum Frequency | 60 hertz |
| Minimum Frequency | 50 hertz |
| Model | NDF-550U |
| Mounting Type | Surface Mount |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | NDF-550U |
| Power Source | Corded Electric |
| Unit Count | 1 Count |

## Product Details

- **Brand:** NISSYO
- **Item Weight:** 1 kg
- **Mounting Type:** Surface Mount
- **Power Source:** Corded Electric
- **Product Dimensions:** 3.35"D x 3.82"W x 3.35"H

## Images

![Down Transformer 550W 120V: 100V NDF-550U by Nissyo Kogyo - Image 1](https://m.media-amazon.com/images/I/81KAO8rxKnL.jpg)

## Questions & Answers

**Q: I am getting a muji rice cooker which is ac100v, 380w. will this work for it?**
A: I think you want a higher wattage rating, 5x what your appliance is rated I believe is suggested.  Research into it for safety.

**Q: Is this a good step down converter for Japanese game systems?**
A: It will work as long as the system is under 550w

**Q: Can I use this for 580w facial steamer?**
A: No.  It wouldn't be safe since it's over 500w

**Q: how noisy is this transformer?**
A: You notice very little or no noise when the transformer is in use.

## Frequently Bought Together

- Down Transformer 550W 120V: 100V NDF-550U by Nissyo Kogyo
- ALLECIN LM317T LM317 Voltage Regulator Adjustable IC 1.5A 1.2V to 37V TO-220(Pack of 30pcs)
- BNTECHGO 24 AWG Magnet Wire - Enameled Copper Wire - Enameled Magnet Winding Wire - 4 oz - 0.0197" Diameter 1 Spool Coil Red Temperature Rating 155℃ Widely Used for Transformers Inductors

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.tn/products/17584873-down-transformer-550w-120v-100v-ndf-550u-by-nissyo-kogyo](https://www.desertcart.tn/products/17584873-down-transformer-550w-120v-100v-ndf-550u-by-nissyo-kogyo)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-17*