Boyer Bransden Three Phase 12v Power Box Alternator Regulator - Positive or Negative Earth
Three phase power box suitable for Triumph TR7 and T140 models from 1979 onwards + Norton Commando MK3 models.
Self regulating rectifier with an internal voltage storing capacitor, therefore can be used with or without a battery.
Consists of rectifier, capacitor and zenor diode, therefore the originals will no longer be required.
Input: Any permanent magnet three wire three phase alternator stator - up to 280 watt.
Output: 13/14 volts DC - charging 12 volts.
Mounting: Mount in a free air position, within a battery box is fine but some air for cooling is required.
Length: 88mm, Width: 48mm, Height: 55mm - 90 x 85mm 4 hole mounting flange - 70mm between hole centres.
Wiring: Supplied with wiring diagram covering both positive and negative earth systems.
The unit has been designed using the latest power technology semi-conductors to provide stable, direct current from standard permanent magnet alternators.
Made in England by Boyer Bransden Electronics