Best Metal Circuit Breakers of 2025

Jennifer Fraser Avatar
Jennifer Fraser
Last Updated: 31 Jan 2025

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Metal circuit breakers are essential components in electrical systems that protect against overloads and short circuits. These devices are designed to interrupt the flow of electricity when a fault occurs, preventing damage to the system and potential hazards such as fires. Metal circuit breakers are known for their durability and reliability, making them a popular choice for industrial and commercial applications. They come in a variety of sizes and types to suit different needs, and are easy to install and maintain. If you're looking for a reliable and effective way to protect your electrical system, metal circuit breakers are definitely worth considering.

At a Glance: Our Top Picks

Circuit Breaker Overload Protector with Reset Button Cover #TOP 1
Circuit Breaker Overload Protector with Reset Button
ftb score rating icon 9.9
VOBOR Circuit Breaker for Overload and Short Circuits Cover #TOP 2
VOBOR Circuit Breaker for Overload and Short Circuits
ftb score rating icon 9.8
Leaderman x10 Mini Circuit Breaker Lockout Device Cover #TOP 3
Leaderman x10 Mini Circuit Breaker Lockout Device
ftb score rating icon 9.6

Top 7 Metal Circuit Breakers

#TOP 1

Circuit Breaker Overload Protector with Reset Button

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Circuit Breaker Overload Protector with Reset Button Cover
Circuit Breake Overload Protector Plastic Metal Car Manual Reset Circuit Breaker Switch Automobile Over Current Protector(15A) + reset button generator

The Terisass 15A Circuit Breaker is designed to protect your electrical systems from overload. When the load exceeds the rated current, the automatic cut-off feature ensures the circuit is disconnected, preventing potential damage. Its durable plastic construction promises a long service life, making it reliable for various applications. Additionally, you can easily reset the switch after a disconnect, allowing for convenient reuse. This compact design is ideal for high-density circuit protection in automotive and industrial settings.

What We Like
Automatic overload protection
Durable plastic construction
Easy reset after disconnection
Compact design for tight spaces
Versatile usage in various industries
#TOP 2

VOBOR Circuit Breaker for Overload and Short Circuits

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VOBOR Circuit Breaker for Overload and Short Circuits Cover
VOBOR Residual Circuit Breaker, Surge Protector Plug Smart Protection Versatile Protection, Metal Air Switch Circuit Breaker for Earth Leakage, Overload, Short Circuit Protection

The VOBOR Circuit Breaker is designed to enhance your electrical safety by preventing overload and short circuits. With its flame-retardant housing, you can trust that it provides a durable barrier against fire and corrosion. This circuit breaker features smart protection that swiftly cuts off power in case of electric shock or leakage, ensuring your safety. Its reliable performance guarantees precision protection, keeping your power system functioning smoothly and efficiently.

What We Like
Flame-retardant housing
Automatic power cut-off
High breaking capacity
Versatile for various applications
#TOP 3

Leaderman x10 Mini Circuit Breaker Lockout Device

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Leaderman x10 Mini Circuit Breaker Lockout Device Cover
Leaderman x10 Metal MCB RCD Miniature Circuit Breaker Lockout Lock Off Device

The Leaderman x10 Lockout Device is designed for easy and simple lockout of miniature circuit breakers. This device is versatile, making it suitable for use with all circuit boards, ensuring a safe and secure lockout during maintenance. It is particularly useful for electricians and engineers who often isolate power via circuit breakers or electrical isolators. With its thoughtful design, it provides convenience and peace of mind, allowing you to focus on your work without worry.

What We Like
Simple to use
Versatile for all circuit boards
Ideal for electricians and engineers
Enhances safety during maintenance
#TOP 4

Wylex 20 Amp Miniature Circuit Breaker 6kA

NHXLB20
Wylex 20 Amp Miniature Circuit Breaker 6kA Cover
Wylex NHXLB20 Miniature Circuit Breaker MCB 6kA Type B - 20 Amp

The Wylex Circuit Breaker is a reliable choice for your electrical needs. With a 6kA rating, it ensures effective protection against overloads and short circuits, keeping your home safe. Being a single pole, type B breaker, it is designed to trip for moderate overloads, providing peace of mind. It's specifically manufactured to BS EN 60898-1 standards, ensuring high quality and compliance. However, be aware that it is intended for use with Wylex NMX and NM all metal enclosures, making it a suitable option for specific installations.

What We Like
High 6kA rating
Type B for moderate overloads
Manufactured to British standards
Compatible with specific enclosures

RKURCK 30A Automatic Reset Circuit Breaker

YBT-LSX-30A-UK
RKURCK 30A Automatic Reset Circuit Breaker Cover
RKURCK 6-28V 30 Amps Circuit Breaker Automatic Reset for Automotive RV Marine Boat with Protective Red Boot Cover 30A

The RKURCK 30A Breaker is a heavy-duty circuit breaker designed for 6-28V DC applications, making it ideal for automotive, RV, and marine use. Its automatic reset feature ensures that the breaker will reset itself after tripping, providing peace of mind while you address any faults. The 10-32 stud bolt terminals offer secure connections, while the plastic base and metal housing ensure durability. Additionally, the protective red boot cover shields the circuit from environmental elements, enhancing safety and reliability in various applications.

What We Like
Heavy-duty design
Automatic reset feature
Durable materials
Protective boot cover
#TOP 6

Segrehy Circuit Breaker Lockout Kit

Segrehy
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Segrehy Circuit Breaker Lockout Kit Cover
Lock Off Kit For Electricians, Circuit Breaker Lockout Device,Circuit Breaker Lockout Tagout Kit Circuit Breaker Lockout Kit High Strength Circuit Breaker Switch Lock Device with Nylon Padlock

The Segrehy Lockout Kit features a durable construction made from die-casting aluminium alloy and nylon, ensuring high strength and resistance to corrosion. This makes it ideal for various harsh environments. It is designed for locking small to medium-sized circuit breakers, enhancing safety during maintenance tasks. The insulation padlock effectively prevents electric shock, providing peace of mind while working with electrical devices. With its compact and lightweight design, this kit is perfect for both indoor and outdoor applications.

What We Like
High strength and corrosion resistance
Prevents electric shock
Compact and lightweight
Suitable for harsh environments
Enhances safety during maintenance

Wylex NHXLB32 Miniature Circuit Breaker MCB 6kA Type B

NHXLB32
Wylex NHXLB32 Miniature Circuit Breaker MCB 6kA Type B Cover
Wylex NHXLB32 Miniature Circuit Breaker MCB 6kA Type B - 32 Amp

Features
Single Pole, Type B
6kA Rated. Manufactured To BS EN 60898-1
NOT Suitable For Retro-Fitting To Earlier Enclosures
For Use With Wylex NMX Range All Metal Enclosures And NM Range All Metal Enclosures Only
Buying Guide Image
Editor's Notes

During our metal circuit breaker research, we found 186 metal circuit breaker products and shortlisted 7 quality products. We collected and analyzed 2,999 customer reviews through our big data system to write the metal circuit breakers list. We found that most customers choose metal circuit breakers with an average price of £6.80.

The metal circuit breakers are available for purchase. We have researched hundreds of brands and picked the top brands of metal circuit breakers, including Terisass, VOBOR, Leaderman, Wylex, RKURCK. The seller of top 1 product has received honest feedback from 516 consumers with an average rating of 4.7.

Written by
Jennifer Fraser Avatar

Jennifer Fraser is a licensed contractor specializing in sales, maintenance, and kitchen, bathroom, and home appliances, tools, and utilities. She owns a store in Leeds where you can get any home and tool appliance. Jenny has a degree in literature, but she combines her knowledge and experience with her degree to publish DIY articles on solving home appliances issues to keep up the family enterprise.