MASTERSHUNT
In stock items ship same or next day.
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Mastervolt MasterShunt 500 CZone 77020115
The MasterShunt 500 CZone monitors a battery bank and shares voltage, current, state of charge and estimated time remaining with compatible networked equipment. It integrates battery information into MasterBus, CZone and NMEA 2000 systems.
Key Features
- Product code: 77020115
- For 12- and 24-volt DC battery systems
- Continuous current rating: 300 A
- Dimensions: 150 × 150 × 65 mm
- Internal bus bar included; suitable main fuse selected separately
Product Compatibility
For compatible MasterBus, CZone or NMEA 2000 installations. Confirm network configuration, battery settings and current requirements before installation.
Use & Service Notes
Follow the manufacturer’s wiring, fusing and configuration instructions. Battery connections must be isolated safely before work and installed by a qualified technician.
Parts Desk Insight
The model name does not mean a 500 A continuous rating. Size the installation around the 300 A continuous limit and the manual’s time-limited overload ratings.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.