Description
Overview:
The Battery Isolator Key for Hamm twin drum rollers is a genuine OEM replacement for machines that use MPN 1203894. Built with a robust, high-visibility red polymer T-grip for easy handling, it engages the isolator switch to cut power safely and reliably. This prevents accidental battery discharge and helps protect the electrical system during servicing, transport, or storage. Designed for Hamm site rollers, it offers a precise fit and dependable performance on models such as the HD8-10C and HD10-12. Whether replacing a lost key or refreshing a worn one, this part maintains the safety and usability of your roller's electrical system without the need for modifications. It's a straightforward, durable component suited to daily site use.
Key Features:
- Genuine Hamm OEM component (MPN 1203894) for correct fit and function
- Hard-wearing, high-visibility red T-grip for quick identification on site
- Positive, reliable engagement with the isolator switch for consistent battery cut-off
- Helps prevent unintended battery drain during storage and downtime
- Aids safe maintenance by isolating power before electrical or mechanical work
- Simple like-for-like replacement to minimise downtime
- Compact spare that can be kept in the cab or service kit
- Compatible with listed Hamm twin drum roller models
Typical Applications:
Used to isolate the battery on Hamm twin drum rollers during service tasks, fault-finding, and electrical work. Ideal for preventing discharge during overnight parking, site moves, or long-term storage. Useful for transport on low loaders, when machinery must be powered down for safety, and for meeting site lockout procedures before maintenance.
Also known as:
Battery master switch key, battery isolation key, battery kill switch key, main battery key, emergency power cut-off key, electrical isolator key for plant and machinery.
Fits Models:
HD10-12, HD1012, HD13-14, HD1314, HD8-10C, HD810C
Alternate Part Numbers:
1203894
Product Specifications
| L&S Part No. | 1203894 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Hamm |
| OEM No. | 1203894 |
| Unit of Sale | 1 |
| Applications | HD10-12, HD1012, HD13-14, HD1314, HD8-10C, HD810C |
| Machine Type | Rollers |
| Fits Models | HD8 - 10C (H170) Twin Drum Compaction Roller | HD10 - 12 (H171) Twin Drum Roller | HD13 - 14 (H172) Twin Drum Roller |
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