Small Circuit Breaker Lockout
FREE DELIVERY
Secure Circuits in Seconds
- All-Round Protection: This compact Small Circuit Breaker Lockout secures single to four-pole breakers across offices, warehouses and industrial sites, delivering reliable protection.
- Universal Compatibility: Fits mini, middle, single to four-pole circuit breakers without adapters, eliminating downtime with wrong lockouts and ensuring seamless integration.
- Tamper-Resistant Locking: Internal grub screw mechanism clamps firmly around the breaker toggle, removing reliance on external parts and delivering peace of mind.
- Swift Screwdriver Installation: Simply position on the breaker and tighten with a flat-blade screwdriver—no extra tools or parts needed for rapid setup and removal.
- Rugged Build Quality: Crafted from tough, UV-resistant polymer, this lockout withstands impacts, harsh sunlight and extreme temperatures, ensuring dependable performance.
- Padlock-Ready Security: Integrated 8 mm shackle hole accepts standard safety padlocks for secure isolation, guaranteeing that only authorised personnel can restore power.
- Slim, Low-Profile Form: At just 25 mm high and 15 mm deep, this sleek lockout sits flush on toggles, freeing up panel space for other critical safety or control devices.
- Universal Toggle Clearance: Internal 5.3 mm gap effortlessly accommodates switch toggles up to that width, providing reliable fit across diverse breakers without risking misalignment.
- Overall Dimensions: 25(H) x 55(W) x 15(D) mm – Compact form factor grants effortless installation in confined panels while maintaining robust safety performance.

Streamlined Safety
The Small Circuit Breaker Lockout brings straightforward protection to any workplace, combining reliability with effortless operation. Its compact design slips onto a variety of breakers, delivering consistent isolation whenever maintenance is needed.
By physically preventing switch activation, this lockout equipment minimises the risk of accidental energisation and keeps service personnel safe. With robust construction and intuitive use, it’s the go-to solution for both office panels and heavy-duty industrial switchgear.
Universal Fit
Its universal design accommodates mini, middle, single to four-pole breakers without the need for adapters or extra parts. This all-in-one compatibility reduces the number of devices you need to stock and ensures the right solution is always on hand.
By eliminating tool requirements for sizing, the Small Circuit Breaker Lockout streamlines your inventory and simplifies lockout procedures across diverse electrical panels. Maintenance teams can apply a single device to any compatible breaker, cutting downtime and boosting efficiency.


Grub Screw Security
An internal grub screw anchors firmly around the breaker toggle, preventing slippage without relying on external clamps. This tamper-resistant mechanism delivers dependable fastening, so you can trust that the circuit remains safely isolated.
The hidden screw design also guards against accidental loosening, ensuring that the lockout stays in place even under vibration or impact. With this level of security, workplaces benefit from consistent, long-term protection without routine retightening.
Item Information
- Dimensions: 25(H) x 55(W) x 15(D) mm compact form
- Weight: 0.1 kg for easy handheld installation and transport
- Material: reinforced UV-resistant plastic ensures durability in harsh conditions
- Padlock Hole: accommodates up to 8 mm shackle diameter padlocks
- Toggle Gap: 5.3 mm opening for universal breaker fit
- Engagement Depth: 15 mm secures firmly around breaker toggles
- Amp Rating: compatible with breakers rated 20 A up to 400 A
- Pole Support: single, double, triple and four-pole breakers seamlessly
- Locking Method: internal grub screw eliminates need for external clamps
- Installation Tool: requires only a flat-blade screwdriver for rapid setup
- UV Stability: construction withstands sunlight exposure without degradation
- Group Isolation: compatible with lockout hasps for multi-person procedures

Screwdriver Installation
Setup requires only a standard flat-blade screwdriver—no special tools or components are necessary. Simply position the device over the toggle, tighten the grub screw and affix your padlock for instant lockout readiness.
This straightforward approach speeds up both installation and removal, making it easy to integrate lockout/tagout into tight schedules. In urgent situations or routine checks, teams can apply and remove protection swiftly, reducing overall downtime.


Rugged Construction
Its tough, UV-resistant polymer withstands harsh impacts and prolonged sun exposure, maintaining structural integrity in both indoor and outdoor settings. The reinforced design resists cracking and warping under heavy use, reducing the need for frequent replacements.
Long-term durability means fewer disruptions and lower overall maintenance costs, so teams can rely on consistent protection without worrying about material failure. This robust build ensures that safety remains uncompromised even in the most demanding environments.
Padlock Compatibility
A built-in shackle hole accepts safety padlocks with up to an 8 mm diameter, offering clear confirmation that circuits are securely isolated. By accommodating standard lock sizes, it integrates seamlessly with existing lockout/tagout kits without requiring specialised hardware.
Secure locking prevents unauthorised re-energisation and reinforces control over access, giving authorised personnel confidence that power won’t be restored until every padlock is removed.


Slim Profile
At just 15 mm deep and sitting flush on breaker toggles, this design minimises intrusion within busy control panels. Neighbouring breakers remain fully accessible, helping maintain orderly panel layouts and reducing the risk of accidental interference.
A low-profile form factor streamlines visual inspections and simplifies panel workspaces, letting maintenance crews move quickly without obstructions.
Universal Toggle Gap
With an internal gap of 5.3 mm, it accommodates a wide variety of switch toggles without risk of slipping or misalignment. This generous clearance ensures a snug fit on components up to that width, eliminating the need to measure or test each breaker.
By covering the full spectrum of common toggle sizes, it further streamlines your lockout/tagout inventory. One device truly works across domestic, commercial and industrial panels, cutting SKUs and simplifying ordering.

Full Specifications
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Free Next Day Delivery
Experience unbeatable convenience with free next-working-day delivery to mainland Great Britain when you order before 3pm. This rapid service means you can have essential safety gear like the Small Circuit Breaker Lockout on-site almost instantly, minimising downtime and keeping projects on schedule. Enjoy the luxury of swift dispatch without any additional shipping costs, so you can order with confidence and certainty.
Our streamlined logistics network ensures that your purchase moves quickly from warehouse to workplace, backed by real-time tracking and proactive updates. Whether you’re stocking up for routine maintenance or responding to an urgent lockout/tagout need, our delivery promise transforms tight deadlines into seamless operations.
Dedicated Support
Our dedicated support team is here to help every step of the way via our free phone line at 0800 012 6777, available Monday to Friday from 8am to 5pm. Reach a real person who understands your requirements and can provide personalised guidance, advice and troubleshooting without any automated menus. We pride ourselves on accessibility—no waiting in queues, no transfers—just direct access to experts who prioritise your safety and satisfaction.
Whether you need product recommendations, ordering assistance or technical clarification, our advisors treat every call as an opportunity to deliver exceptional care. This reliable, human-centred service reinforces our commitment to building lasting relationships with customers who count on us for critical workplace solutions.


Guaranteed Quality
We stand firmly behind every item we sell with a comprehensive 1-year parts and labour warranty, offering complete peace of mind from day one. This assurance underscores our confidence in the durability and performance of our Lockout Equipment, so you can focus on safety without worrying about unexpected repair costs.
Should any component fail through normal use, our warranty process is straightforward and hassle-free, reflecting our dedication to upholding the highest standards. By choosing products backed by this guarantee, customers invest in solutions they can trust, supported by The Workplace Depot’s unwavering commitment to quality and service.
Warranty
1 year parts / labour
Price Promise
We match any price
Easy Returns
Return or exchange
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