Master Lock
Master Lock S2394 Universal Mini Circuit Breaker Lockout Device S2394
Model S2394
Best price
Lowest we’ve seenWhere to buy
| Retailer | Price | Availability | Visit |
|---|---|---|---|
| Cheapestchecked 23 hours ago | £13.40 | In stock | Visit Blueperry agriculture (UK) (opens in a new tab) |
 checked within the hour | £15.95£18.62 | In stock | Visit Tooled Up (opens in a new tab) |
 retailer's price from 16 Jul 2026 | £16.08 | In stock | Visit Blueperry Tool & Builders Merchants (UK) (opens in a new tab) |
Prices exclude delivery. We may earn a commission if you buy through these links, which never affects the ranking above — it is always cheapest first.
Price history
Full price historyThis is the lowest price we have recorded. If you were waiting for a drop, this is it.
About this product
The Master Lock S2394 is a universal mini circuit breaker lockout device designed to secure virtually all miniature ISO/DIN pin-out circuit breakers during maintenance and servicing. It forms part of a lockout/tagout system, preventing accidental re-energisation of isolated circuits and is suited to electricians and maintenance engineers working across industrial, commercial and facilities settings. The patented design uses a thumb turn dial screw, allowing tool-free attachment. Once fitted, it makes the breaker's dial inaccessible in the locked position, preventing unauthorised removal or reactivation. Padlocks can be applied horizontally or vertically, and the compact profile allows devices to be mounted side-by-side on adjacent breakers. It is compatible with all Master Lock and American Lock safety padlocks and lockout hasps, excluding the ALO80 and ALO802 models.
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