---
product_id: 54369125
title: "Crabtree 61/B20 Miniature Circuit Breaker (MCB) - 20amp Type B"
brand: "crabtree"
price: "817316₫"
currency: VND
in_stock: true
reviews_count: 7
category: "Crabtree"
url: https://www.desertcart.vn/products/54369125-crabtree-61-b20-miniature-circuit-breaker-mcb-20amp-type-b
store_origin: VN
region: Vietnam
---

# 20A high-capacity current rating DIN Rail mount for easy installation B Curve trip characteristic for precise protection Crabtree 61/B20 Miniature Circuit Breaker (MCB) - 20amp Type B

**Brand:** crabtree
**Price:** 817316₫
**Availability:** ✅ In Stock

## Summary

> ⚡ Protect your power, upgrade your setup!

## Quick Answers

- **What is this?** Crabtree 61/B20 Miniature Circuit Breaker (MCB) - 20amp Type B by crabtree
- **How much does it cost?** 817316₫ 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/54369125-crabtree-61-b20-miniature-circuit-breaker-mcb-20amp-type-b)

## Best For

- crabtree enthusiasts

## Why This Product

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

## Key Features

- • **B Curve Trip Technology:** Engineered to trip instantly on short circuits while tolerating harmless surges.
- • **Trusted Crabtree Quality:** A genuine, magneto-thermal breaker with proven durability and next-day delivery.
- • **Compact & Lightweight Design:** Saves space in your panel with a sleek 123g profile—power without bulk.
- • **Effortless DIN Rail Mounting:** Quick, secure installation that fits seamlessly into your electrical setup.
- • **Reliable 20 Amp Power Control:** Handles up to 20A with precision to keep your circuits safe and sound.

## Overview

The Crabtree 61/B20 Miniature Circuit Breaker is a 20 amp, single-pole, magneto-thermal device designed for reliable circuit protection. Featuring a B Curve trip profile and DIN Rail mounting, it offers precise, space-saving installation for 230 VAC systems. Trusted by professionals, it balances performance with ease of use, making it a staple for modern electrical panels.

## Description

Crabtree Magneto-Thermal Circuit Breaker, Starbreaker B Curve Series, 20A, 1 pole, 230 VAC, DIN Rail.

Review: Does the job - Not much to say, it does the job intended. Good price & next day delivery.
Review: Five Stars - Genuine part, just the job

## Features

- Starbreaker B Curve Series
- 20A
- 1 pole
- 230 VAC

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B009ETYUO0 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 64,778 in DIY & Tools ( See Top 100 in DIY & Tools ) 56 in Circuit Breakers |
| Customer Reviews | 4.0 4.0 out of 5 stars (27) |
| Date First Available | 21 Sept. 2012 |
| Item Package Quantity | 1 |
| Item Weight | 123 g |
| Item model number | 61/B20 |
| Manufacturer | Crabtree |
| Package Dimensions | 13.1 x 9.5 x 2.1 cm; 123 g |
| Part number | S61/B20 |
| Plug profile | DIN Rail Mount |

## Product Details

- **Brand:** Crabtree
- **Circuit breaker type:** Standard
- **Current rating:** 20 Amps
- **Mounting type:** DIN Rail Mount
- **Number of poles:** 1

## Images

![Crabtree 61/B20 Miniature Circuit Breaker (MCB) - 20amp Type B - Image 1](https://m.media-amazon.com/images/I/51DKpqi2mxL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Does the job
*by A***E on 6 October 2020*

Not much to say, it does the job intended. Good price & next day delivery.

### ⭐⭐⭐⭐⭐ Five Stars
*by K***F on 6 October 2015*

Genuine part, just the job

### ⭐ Part sold by Prime Electrical Group Ltd is NOT new
*by C***N on 27 July 2021*

There is no way the MCB I received sold by Prime Electrical Group Ltd is new. There are marks on it for starters, broken plastic around the lower terminal, and the terminal itself is bent upwards. These are pretty sturdy components so I don't believe this has happened in storage or transit. Buyers beware!

## Frequently Bought Together

- Crabtree 61/B20 Miniature Circuit Breaker (MCB) - 20amp Type B
- Crabtree 61/B16 Miniature Circuit Breaker (MCB) -16amp Type B

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**Shop now:** [https://www.desertcart.vn/products/54369125-crabtree-61-b20-miniature-circuit-breaker-mcb-20amp-type-b](https://www.desertcart.vn/products/54369125-crabtree-61-b20-miniature-circuit-breaker-mcb-20amp-type-b)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-18*