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The shunt is located on the positive battery cable, or located on the battery positive terminal post. Where it monitors the magnetic field, generated by the current flow via a sensor. This is then converted to a voltage proportional to the amperage flowing in the cable, and drives the meter via a 3 or 4 core cable.

With a 200 amp 50 mV standard shunt 1 amp = 0.00025 volts from the shunt to feed the ammeter, making it prone to induction interference, and connector problems.

With a kddpowercentre shunt 1 amp = 2.51 volt, it is only converted at the meter to provide a reliable signal by minimising connections problems, and induction interference.

• the shunt carries no current
• it has no volt drop
• it generates no heat
• it requires no power cable modifications
• it requires no special protective covers
• it requires no special data cables

• it has infinite overload, a 50 amp shunt can handle 1000 amp starter motor load,
• it has a high load output drive limit to analogue meters
• it includes integral circuit protection to shunt, 4 core cable and meters.

Originally developed 20 years ago, for KDD Powercentre switch panels. Providing both engine and service battery volts, plus service amps via a bar-graph display. Later extended to cover both digital and analogue meters, with over 5000 units now supplied to production boatyards.

Making it ideal for installations were a battery provides both service loads, and engine starting loads. Avoiding the need for modifications to the charging system or engine loom to by-pass starter currents, also avoiding possible OEM warrantee issues.

For use with single ammeter, available in cable or battery terminal mount, to suit various amperages, and meter mV rating

For use were a boat builder use two different ammeter values, the driver will suit a 30 & 50 amp meter for example,

For use were it is required to monitor two circuits, two shunts can feed driver with outputs for 2 ammeters and three voltmeters.

Provides a complete monitoring system via a 10 dot bar-graph for both amps and volts, single or multiple battery banks.

Provides a complete monitoring system via a digital meter for both amps and volts, single or multiple battery banks.

A complete monitoring system via a digital / bar-graph meter for both amps and volts, single or multiple battery banks.

display  provides a read-out of both volts and amps for a battery banks, or multiple battery banks. This is driven directly from the shunt mounted on the main battery cable, or battery terminal post  via a core cable with 4 display options, the Bar-graph display includes hi-voltage remote alarm drive.

bar-graph, provides permanent simultaneous volt & amp read-out for all batteries.

digital, provides volts or amp readout with polarity indicator for service battery, other batteries can be checked via selector switches,

digi-bar, combines both a bar-graph display to monitor general status of all batteries, with a digital readout to provide an accurate readout for voltage or current.

analogue meter driver  converts the signal from the Hall effect shunts to drive a range of analogue meters, units are available to provides up to 3 voltage and 2 ammeter drives from a single analogue meter driver module.

interface cable between the display module and the Hall effect shunt, is a 4 core cable, and carries all volt and amp data. Normal connections are via screw terminal, but for production orders, we can supply systems with standard or waterproof multipole plug and socket connectors

battery mount as an alternative, the shunt can be supplied allowing it to be mounted on the battery’s positive  terminal. The adaptor fits on the battery lug, normally M8, the shunt drops over the adaptor, a nut locks the shunt in place, the power cable eyelet is fitted, then spring washer and nut clamps power cable in place.