Martindale LOK6 Universal Fuse Carrier Isolation Lock
The Martindale LOK6 Universal Fuse Carrier Isolation Lock provides a safe way to isolate Red Spot style fuse holders during maintenance work. It stops accidental reinsertion of the fuse and helps reduce the risk of contact with live parts. Its universal design makes it suitable for a wide range of industrial electrical installations.
Built from a flame-retardant blend of polycarbonate and ABS, the device offers excellent strength and long service life. The bright yellow body is easy to identify inside busy panels and switch rooms. Installation is quick and does not require tools, helping engineers save time on site.
Designed for Reliable Isolation
Unlike many traditional lock-off devices, the Martindale LOK6 Universal Fuse Carrier Isolation Lock uses a clamp system that grips the wall of the fuse holder base. This design helps prevent damage to older and more brittle fuse holders. It also accommodates wall thicknesses from 2mm to 5mm with ease.
For added protection, the lock sits beside the terminal at one end of the fuse holder to reduce accidental finger access. An integral sliding cover can also be adjusted to suit different fuse sizes and ratings. As a result, users gain a safer and more secure isolation point during maintenance work.
Versatile Site Compatibility
The Martindale LOK6 Universal Fuse Carrier Isolation Lock accepts a wide range of padlocks with shackles up to 7mm in diameter. Martindale recommends the PAD11RD or insulated PAD21RD padlocks for secure locking. Its low-profile shape also allows most cabinet doors to close after installation.
Two versions are available to suit different fuse holder ratings. The standard LOK6 model fits Red Spot and similar fuse holders from 20A to 100A, while the LOK6-200 version is designed for larger 200A and 400A Red Spot holders. This flexibility makes the range suitable for many electrical maintenance applications.
Key Features
- Universal fit for Red Spot style fuse holders
- Suitable for fuse ratings from 20A to 100A
- Prevents accidental reinsertion of removed fuses
- Helps reduce accidental contact with live parts
- Bright yellow body for high visibility
- Manufactured from flame-retardant materials
- Non-metal construction for live working environments
- Compatible with padlocks using up to 7mm shackles
- Low-profile design permits cabinet door closure
- Quick tool-free installation
- Clamp system reduces the risk of damaging brittle holders
- Adjustable sliding cover improves finger protection
- Suitable for Henley and Lucy Service Cut Outs
- Two product versions available for different fuse holder sizes
Technical Specifications
| Product name | Martindale LOK6 Universal Fuse Carrier Isolation Lock |
| Manufacturer | Martindale Electric |
| Product type | Fuse carrier isolation lock-off device |
| Material | Flame-retardant polycarbonate and ABS blend |
| Construction | Non-metallic body |
| Colour | Bright yellow |
| Fuse holder compatibility | Red Spot and similar fuse holders |
| Fuse rating compatibility | 20A to 100A |
| Compatible service cut outs | Henley and Lucy Service Cut Outs |
| Padlock shackle diameter | Up to 7mm |
| Recommended padlocks | Martindale PAD11RD or insulated PAD21RD |
| Installation method | Tool-free clamp fitting |
| Supported wall thickness | 2mm to 5mm |
| Safety feature | Integral adjustable sliding cover |
| Overall profile | Low profile for cabinet door closure |
| Operating environment | Indoor electrical panels and fuse holders |
| Alternative version available | LOK6-200 for 200A and 400A Red Spot fuse holders |
| Manufacturer part code | LOK6 |
| Warranty | Not specified |
Comparison Table
| Feature | LOK6 | LOK6-200 |
|---|---|---|
| Suitable for Red Spot style fuse holders | ✓ | ✓ |
| Fuse holder rating | 20A to 100A | 200A and 400A |
| Suitable for larger Red Spot holders | ✗ | ✓ |
Document Downloads
What’s Included
- Martindale LOK6 Universal Fuse Carrier Isolation Lock
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