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Our 20A to 50A Circuit Breakers & Electrical Accessories collection covers a practical range of protection and supporting components for low voltage installations. Designed to suit a variety of domestic, commercial and light industrial setups, these products help manage higher current circuits safely and efficiently. Whether you are upgrading an existing board or planning a new install, you will find reliable options here.
This collection brings together circuit breakers rated from 20 amp through to 50 amp, alongside essential electrical accessories that support installation and maintenance. It is well suited to trade electricians, electrical contractors and knowledgeable DIYers working within consumer units and distribution boards where higher load circuits are required.
Common applications include dedicated circuits for showers, cookers, EV chargers, workshops and small commercial equipment. These ratings are often used where standard lower amp devices are not suitable, helping to protect cabling and connected loads from overcurrent in a wide range of property types.
When choosing a circuit breaker in the 20A to 50A range, it is important to match the current rating to the circuit design and cable size. You should also check the breaker type and format needed for your consumer unit or distribution board, as not all accessories are interchangeable.
The electrical accessories within this range are intended to complement circuit protection components, helping create a tidy and functional installation. Always ensure compatibility with the existing system and follow current wiring regulations. If you need other ratings, you can explore related categories across the SND Electrical website.
If you would like guidance on selecting the right 20A to 50A circuit breakers or accessories for your project, our team is here to help. Get in touch for straightforward advice and product support by fill out our contact form.
SKU: FST24
Timeguard’s new look Fused Spur Timeswitches with easy viewing display, optional 1 or 2 hour boost facility and automatic Summer/Winter time chang...
View full detailsSKU: NTT01
Introducing the New range of Compact Timeswitches from Timeguard! 16(6)A load rating. 96 quick-set segments for up to 48 ON/48 OFF programmes. ...
View full detailsSKU: NTT02
Introducing the New range of Compact Timeswitches from Timeguard! 16(8)A load rating. 96 quick-set segments for up to 48 ON/48 OFF programmes. ...
View full detailsSKU: NTT03
Introducing the New range of Compact Timeswitches from Timeguard! 16(4)A load rating. 4 ON/4 OFF easy-set programme periods per day, 28 ON/28 O...
View full detailsSKU: NTT04
Introducing the New range of Compact Timeswitches from Timeguard! 16(4)A load rating. 4 ON/4 OFF easy-set programme periods per day, 28 ON/28 O...
View full detailsSKU: NTT05
Our new slimline General Purpose Timeswitches offer total control. 16(8)A load rating. 96 quick-set segments for up to 48 ON/48 OFF programmes....
View full detailsSKU: NTT06
Our new slimline General Purpose Timeswitches offer total control. 16(4)A load rating. 4 ON/4 OFF easy-set programme periods per day. Shortest ...
View full detailsSKU: NTT07
Our new slimline General Purpose Timeswitches offer total control. 16(4)A load rating. 28 ON/28 OFF easy-set programme periods per week. Shorte...
View full detailsSKU: NTT08
Our new slimline General Purpose Timeswitches offer total control. 16(4)A load rating. Special ‘easy slide’ programme cover to prevent accident...
View full detailsSKU: PDFM1500
Timeguard take PIR Presence Detection to the next level for optimum coverage and with up to 1500W loading and 10m detection range this powerful un...
View full detailsSKU: PDFMMINIL
Mini design (47mm diameter) for corridor and multi-zone use with Twist & Lock design for easy access. Linkable pre-wired RJ11 plug-in slave un...
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For use with the Timeguard PDFMMINIL 360° Flush Mount Linkable Mini PIR Sensor. Up to 5 slaves can be connected to one PDFMMINIL master unit. ...
View full detailsSKU: SLFM360N
Timeguard take PIR Presence Detectors to the next level for optimum coverage and control. Slimline sensor head design. 360° area of detection w...
View full detailsSKU: SLW2300
Powerful PIR controller for new and existing installations. Total PIR switching: 2300W incandescent/halogen, 500W fluorescent/low energy plus 2...
View full detailsSKU: TGBD4
Description The BoostMaster Digital Countdown Switch provides simple, reliable timed control for a wide range of electrical appliances. Designed fo...
View full detailsSKU: TGBT4N
BoostMaster Countdown Switches now added to the range providing timed output. Automatic timed countdown selections for up to 4 hours using a simpl...
View full detailsSKU: TRT033N
Timeguard TRT033N Digital Room Thermostat with Night Set-Back An ideal digital room thermostat with easy visible blue luminescent screen displayi...
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