Description
Ensure complete safety during ventilation maintenance with the MK K4858 Switchlock.
Essential Safety & Compliance:
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Secure Isolation: When fitted to a compatible MK fan isolator (such as the K4859 WHI), the K4858 enables the switch to be padlocked in the “OFF” position. This is a vital safety requirement for electricians and maintenance staff working on fans with or without timers.
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Padlock Compatibility: The device is designed to be used with the MK K2000 Padlock (or a similar appropriately sized safety padlock), ensuring that only the person performing the maintenance holds the key to re-energize the system.
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Standard Compliance: Using this device as part of a safe isolation procedure helps contractors comply with the Electricity at Work Regulations 1989 and BS EN 60947 standards for mechanical maintenance.
Design & Installation:
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Durable Construction: Built to withstand the rigors of site work, it is resistant to impact and the environmental conditions often found in bathrooms, kitchens, and plant rooms.
Product Specifications
| Feature | Details |
| Brand | MK Electric |
| Model | K4858 |
| Type | Switch Locking Device |
| Compatibility | MK 3-Pole Fan Isolators (e.g., K4859 WHI) |
| Function | Locks switch in the OFF position |
| Material | High-Grade Thermoset |
| Color | White |
| Required Accessory | K2000 Padlock (Sold separately) |
| Standard | Complements BS EN 60947 |





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