Circuit Breaker [Mercury Arc Rectifier]
Maker and role
Hackbridge and Hewittic Electric Company Limited, Manufacturer
Production date
Circa 1950s
See full details
Object detail
Accession number
2004.318
Production period
Description
Mercury Arc Rectifier, Distribution Panel and Circuit Breakers.
Manufacturer: Hackbridge step-down transformer, Hewittic mercury-arc rectifier
In use: 1951-1980
The power supply for the tramway is via a Hackbridge step-down transformer, Hewittic mercury-arc rectifier, distribution and fault-protection panel. Input is at 6600 volts AC and output is at 550 volts DC. The supply has a capacity of 675kW (approximately 900 hp)
Manufacturer: Hackbridge step-down transformer, Hewittic mercury-arc rectifier
In use: 1951-1980
The power supply for the tramway is via a Hackbridge step-down transformer, Hewittic mercury-arc rectifier, distribution and fault-protection panel. Input is at 6600 volts AC and output is at 550 volts DC. The supply has a capacity of 675kW (approximately 900 hp)
Brief History
The Mercury Arc Rectifier was used between 1951-1980 and was installed at the Dominion Road sub-station. Power from this unit was used to supply power to the Auckland trolley buses which operated in the Mount Roskill area.
The power supply for the tramway is via a Hackbridge step-down transformer, Hewittic mercury-arc rectifier, distribution and fault-protection panel. Input is at 6600 volts AC and output is at 550 volts DC. The supply has a capacity of 675kW (approximately 900 hp).
The power supply for the tramway is via a Hackbridge step-down transformer, Hewittic mercury-arc rectifier, distribution and fault-protection panel. Input is at 6600 volts AC and output is at 550 volts DC. The supply has a capacity of 675kW (approximately 900 hp).
Credit Line
Hackbridge and Hewittic Electric Company Limited. Circa 1950s. Circuit Breaker [Mercury Arc Rectifier], 2004.318. The Museum of Transport and Technology (MOTAT).
On display?
On display
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