---
product_id: 35475326
title: "SCT-0400-020 Split Core Current Transformer (CT) 0.4\" ID 0.333V Secondary (Output) 20 Amp Primary (Input)"
brand: "magnelab"
price: "FREE"
currency: JPY
in_stock: false
reviews_count: 1
url: https://www.desertcart.jp/products/35475326-sct-0400-020-split-core-current-transformer-ct-0-4
store_origin: JP
region: Japan
---

# 0.333V Output 0.4" ID 20A Input SCT-0400-020 Split Core Current Transformer (CT) 0.4" ID 0.333V Secondary (Output) 20 Amp Primary (Input)

**Brand:** magnelab
**Price:** FREE
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Power Up Your Precision!

## Quick Answers

- **What is this?** SCT-0400-020 Split Core Current Transformer (CT) 0.4" ID 0.333V Secondary (Output) 20 Amp Primary (Input) by magnelab
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/35475326-sct-0400-020-split-core-current-transformer-ct-0-4)

## Best For

- magnelab enthusiasts

## Why This Product

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

## Key Features

- • **Compact Design:** Space-saving 0.4" ID fits effortlessly into your setup.
- • **Global Compliance:** UL Recognized, CE, and RoHS compliant for peace of mind.
- • **Minimal Phase Shift:** Enjoy less than 2 degrees phase angle at 50% rated current.
- • **Precision Performance:** Experience +/- 1% accuracy across a wide current range.
- • **Versatile Frequency Range:** Seamlessly operates from 50 Hz to 400 Hz for diverse applications.

## Overview

The SCT-0400-020 Split Core Current Transformer is engineered for accuracy and versatility, delivering a 0.333 Volt AC output at a rated input current of 20 Amps. With a compact 0.4-inch inner diameter and compliance with UL, CE, and RoHS standards, this transformer is perfect for a wide range of applications, ensuring reliable performance with minimal phase shift.

## Description

Magnelab Split-core transformers are ideal for installation on existing electrical wiring by snapping around the conductor. The Magnelab SCT series have one of the highest industry standards both for interleaving joints and the self-locking mechanism. These current transformers have a rated accuracy of +- 1 percent between 10 and 130 percent of their rated input. The SCT series transformers are UL Recognized, CE, and RoHS compliant. 8 foot twisted pair leads allow for easy ready to go installation.

## Features

- 0.333 Volt AC output at rated input current of 20 Amps with 0.400 inch ID
- +/- 1% Accuracy at 10% to 130% of rated current
- Phase angle < 2 degrees measured at 50% rated current
- Operates from 50 Hz to 400 Hz
- UL Recognized, CE, and RoHS Compliant

## Images

![SCT-0400-020 Split Core Current Transformer (CT) 0.4" ID 0.333V Secondary (Output) 20 Amp Primary (Input) - Image 1](https://m.media-amazon.com/images/I/21OzsjHkFpL.jpg)
![SCT-0400-020 Split Core Current Transformer (CT) 0.4" ID 0.333V Secondary (Output) 20 Amp Primary (Input) - Image 2](https://m.media-amazon.com/images/I/41GuKFgTYkL.jpg)
![SCT-0400-020 Split Core Current Transformer (CT) 0.4" ID 0.333V Secondary (Output) 20 Amp Primary (Input) - Image 3](https://m.media-amazon.com/images/I/41HxFrRhxlL.jpg)
![SCT-0400-020 Split Core Current Transformer (CT) 0.4" ID 0.333V Secondary (Output) 20 Amp Primary (Input) - Image 4](https://m.media-amazon.com/images/I/41GDrP9WPyL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Works great.
  

*by T***6 on Reviewed in the United States on December 6, 2016*

Works great.  No issues.  Good price too

---

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**Shop now:** [https://www.desertcart.jp/products/35475326-sct-0400-020-split-core-current-transformer-ct-0-4](https://www.desertcart.jp/products/35475326-sct-0400-020-split-core-current-transformer-ct-0-4)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-24*