BJC-4000MS Switch – Main Replacement Switch for BJC-4000MS Jump Starter
The BJC-4000MS Switch is the genuine main switch replacement designed specifically to suit the BJC-4000MS jump starter unit. Built for durability and electrical reliability, this high-quality switch ensures safe operation and long-term performance of your heavy-duty jump starting equipment.
Whether you’re replacing a worn-out part or keeping a spare on hand for workshop downtime prevention, this switch delivers dependable functionality that matches the original BJC-4000MS specifications.
Key Features
- Direct Replacement – Engineered to suit the BJC-4000MS model perfectly
- High-Durability Construction – Built for high current handling and extended use
- Reliable Contact Performance – Ensures stable connectivity under load
- Workshop-Ready – Ideal for maintenance teams and mobile technicians
Benefits
Restore Full Functionality
Replacing a faulty or worn switch with the BJC-4000MS main switch restores your unit’s safe starting performance—reducing the risk of breakdowns during critical operations.
Genuine Fitment
This is a model-specific part designed to work exclusively with the BJC-4000MS. You’ll get the correct size, pin configuration, and power handling required.
Minimise Equipment Downtime
Keeping a spare on hand ensures your jump starter can be repaired and returned to service without delay—ideal for high-demand commercial environments.
Physical and Dimensional Properties
- Weight: 1.0 kg
- Dimensions: 100 mm (L) × 100 mm (W) × 120 mm (H)
Applications
- Designed exclusively for the BJC-4000MS mobile jump starter
- Recommended for use by workshop technicians, fleet operators, and service centres
- Suitable for emergency services, mining sites, transport depots, and heavy vehicle support teams
FAQs About the BJC-4000MS Switch
- Is this switch compatible with other models?
No. This switch is specifically designed for the BJC-4000MS model. For other jump starters like the BJC-4012 or BJT series, refer to their dedicated parts. - Can I replace the switch myself?
Yes, if you are experienced with electrical components and follow safety protocols. However, professional installation is recommended to avoid incorrect wiring or component damage. - What is the switch rated for?
The switch is built to handle the heavy-duty output requirements of the BJC-4000MS jump starter. It maintains secure connections and withstands high current during startup cycles. - Is this an original part?
Yes, it’s a genuine switch designed to meet the operational standards of the BJC-4000MS unit. Always use matching components to ensure safety and compliance. - Is there a warranty?
This product is covered under our standard parts warranty. For specific warranty periods and return terms, please check with Power Start at time of purchase.
Order the BJC-4000MS Switch from Power Start
Maintain the safety and performance of your jump starter with the BJC-4000MS replacement switch—a trusted component for restoring reliable function. Order today from Power Start and keep your heavy-duty gear running without interruption.
Note: Free shipping does not apply to very heavy items that require skids or pallets.
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