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The MasterShunt is an integrated battery monitor which can share information about the battery bank with other devices, such as chargers or inverters, in a MasterBus, CZone or NMEA 2000 systems. It can give detail on voltage, current, state of charge and time remaining of the battery (calculated accurately by using the current flow and the remaining capacity). Because you can then programme events to trigger on different events, such as turning on a generator when the battery capacity is low, it allows the whole system to be automated and run seemlessly.
The MasterShunt 500 has been improved upon to give the highest degree of accuracy in its readings and calculations. It retains historical data and doesn't lose its memory when the system is disconnected. It is straight forward to install and connect, and features a robust housing with isolated DC connectors for reliability. MasterShunts can also be installed in a parallel setup if higher currents are used.
Communication & monitoring
Communication interfaces: MasterBus, CZone, NMEA 2000
General specifications
MasterBus powering: yes, incl. Smart MasterBus Powering (switched off for CZone or NMEA 2000 communication)
Battery voltage: 12, 24, 36 or 48 V DC
Current: 300 A continuously, 400 A for 10 min., 500 A for 5 min. and 600 A for 2 min.
Main fuse: bus bar included in MasterShunt, Class T fuse or ANL fuse to be ordered separately
Idle consumption: 23 mA (normal operation), <1 mA (power saving, MasterBus off)
System functionality: alarms, timers, auto start/stop for generator
System information: e.g. time remaining, voltage, current, state of charge
Programmable alarms: warning low voltage, low state of charge, high voltage
Dimensions, hxwxd: 150 x 150 x 65 mm (5.9 x 5.9 x 2.6 inch)
Weight: 0.7 kg (1.5 lb)
Delivered with: MasterShunt, temperature sensor, MasterBus terminator, insulation caps for DC connections, 1 mtr Mastervolt-CZone drop cable
Technical specifications
Battery types: Gel, AGM, flooded, Lithium Ion
Protection degree: IP21
Straight forward, easy to install
MasterBus, CZone and NMEA 2000 communication
Fits in a CZone system including setup tools and configuration file
Digital shunt providing the energy system with extensive information and historical data
Very accurate and reliable determination of State of Charge (SOC)
Service mode prevents memory loss during system maintenance
Realistic and precise indication of the time remaining
For higher current, multiple MasterShunt models may be installed in parallel
MasterConnect system makes connecting to the DC Distribution product very easy
Freedom of choice for fuse type, rating and location. Suitable for T-fuse and ANL-fuse (to be ordered separately)
Robust housing with isolation of the DC connections
Reasons to buy your Mastervolt equipment or off-grid setup from us
We are excited by the technological improvements in this sector and know how modern lifestyles mean ever-increasing power demands, whether at home or away for your hobby. Having used and worked with this technology as it has emerged, we are not just ‘jumping on the bandwagon’, but sell this as an integral part of helping our customers make the most of their time on their boat or van. This makes us the perfect choice to advise on and supply your power system regardless of where the installation is going.
Here is what one of our customers has said, if you want to check out some more of our 5-star reviews you can see them here.
Brand | Mastervolt |
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Availability | No Payment taken until items are shipped |
Shipping Type | Standard |
We make sure to list our stock so you know upfront when your order will be with you, most items we send are sent on next-day service as standard however some orders to harder-to-reach locations such as Scottish Islands or Channel Islands may go on a 48-hour delivery to keep delivery costs to a minimum.
Due to the wide range of items we sell shipping costs can vary such as heavy batteries and inflatable boats require a pallet. To see the shipping cost of items use our shipping calculator below.
This is not indicative of the final shipping price, to see that add all your items to your basket or see the delivery costs below.
Delivery costs are as follows - Check the Shipping Type of your product on the 'More Information' tab.
Standard
Mainland UK - £0-150 - £6.5 / £150 - £250 - £3.25 / £250+ - Free
Isle of Mann, Jersey, Gurnsey - £0-150: £15 / £150 - £250: £7.5 / £250+: Free
Hazardous
Mainland UK - £0-150 - £6.5 / £150 - £250 - £3.25 / £250+ Free
Isle of Mann, Jersey, Gurnsey - Unable to ship due to courier restrictions
Long
Mainland UK - £0-500 - £23 / £500+ - Free
Isle of Mann, Jersey, Gurnsey - Please Call for Quote
Inflatable Boat
Mainland UK - £0-500 - £30 / £500+ - Free
Isle of Mann, Jersey, Gurnsey - Please Call for Quote
Heavy Battery
Mainland UK - £0-850 - £26 / £850+ - Free
Isle of Mann, Jersey, Gurnsey - Please Call for Quote
We have a 30-day returns policy so If for whatever reason you are not happy with your order we can exchange it for another or offer a full refund if you log it with us within 30 days of receipt of the goods.
Find out more about our returns policy here.
Brand | Mastervolt |
Width | 150mm (5.9") |
Height Description | 150mm (5.9") |
Depth | 65mm (2.6") |
Weight | 0.7 kg (1.5 lb) |