---
product_id: 56869672
title: "Doepke FI Switch DFS4 040-4/0.03-A R Residual Current Circuit Breaker 4014712111127"
brand: "doepke"
price: "4726124₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/56869672-doepke-fi-switch-dfs4-040-4-0-03-a-r
store_origin: VN
region: Vietnam
---

# 0.03 A ultra-sensitive fault current detection 400 V high-voltage compatibility DIN rail mounting for seamless integration Doepke FI Switch DFS4 040-4/0.03-A R Residual Current Circuit Breaker 4014712111127

**Brand:** doepke
**Price:** 4726124₫
**Availability:** ✅ In Stock

## Summary

> ⚡ Stay powered, stay protected — the smart choice for modern managers.

## Quick Answers

- **What is this?** Doepke FI Switch DFS4 040-4/0.03-A R Residual Current Circuit Breaker 4014712111127 by doepke
- **How much does it cost?** 4726124₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/56869672-doepke-fi-switch-dfs4-040-4-0-03-a-r)

## Best For

- doepke enthusiasts

## Why This Product

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

## Key Features

- • **Durable Build:** Engineered for long-lasting performance in professional electrical systems.
- • **High Voltage Ready:** Operates efficiently at 400 V, perfect for demanding industrial environments.
- • **Precision Protection:** Detects leakage currents as low as 0.03 A to safeguard your workspace instantly.
- • **Effortless Installation:** DIN rail mounting ensures quick, secure setup without downtime.
- • **Reliable Safety Compliance:** Meets stringent residual current standards to keep your operations compliant and safe.

## Overview

The FI Switch DFS4 040-4/0.03-A R is a residual current circuit breaker designed for DIN rail mounting, offering ultra-sensitive 0.03 A fault current detection and reliable operation at 400 V, ensuring top-tier electrical safety and compliance in professional settings.

## Description

Doepke FI switch DFS 4 040-4/0,03-A R 09134911 type A, mains voltage independent, sensitive for alternating and pulsating DC fault currents, touch-proof, viewing window for labelling labels, switching position display with centre position in case of fault, current shock resistance >1kA, cold-proof up to -25°C, short circuit switching capacity 10kA, both. 5 ththththth0 mm², height 85 mm, IP20, VDE

## Features

- Mounting type: DIN rail
- Rated fault current: 0.03 A
- Rated voltage: 400 V

## Product Details

- **Brand:** Doepke
- **Current rating:** 40 Amps
- **Product dimensions:** 9D x 8W x 8H centimetres
- **Circuit breaker type:** Standard
- **Mounting type:** DIN Rail Mount

## Images

![Doepke FI Switch DFS4 040-4/0.03-A R Residual Current Circuit Breaker 4014712111127 - Image 1](https://m.media-amazon.com/images/I/51dMC81DmOL.jpg)

## Frequently Bought Together

- Doepke FI Switch DFS4 040-4/0.03-A R Residual Current Circuit Breaker 4014712111127
- Pollmann Main cable junction terminal 5-pin for DIN rail - power distributor with VDE
- ABB 2609696 Circuit Breaker, 16 A

---

## 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.vn/products/56869672-doepke-fi-switch-dfs4-040-4-0-03-a-r](https://www.desertcart.vn/products/56869672-doepke-fi-switch-dfs4-040-4-0-03-a-r)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-07*