Preston Consulting Ltd


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Address: 11 Darroch St , Christchurch, Canterbury 8051

No telemarketers, please

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About Preston Consulting Ltd

Power electronics and electrical consulting and advice to global customers.

high reliability rectifiers (24V 48V 110VDC 220VDC 10A, 20A, 30A, 40A, 45A 50A

Technology transfer to manufacturers, 1W - 100kW, power supplies, inverters, EMC troubleshooting.

Control analysis and solutions, trouble shooting designs

General electrical & electronic consulting.

Magnetics design, high frequency and high efficiency specialists. To 50kW and 400kHz

Portable 9 - 60V 0-50A , Battery discharger - industrial 12kg, self powered

Ultra high reliability sine wave inverters from 24V 48V and 110VDC 1kW - 3kW


Products & services

Ultra reliable inverters, 48VDC, 110VDC, 220VDC


Inverters for emergency lighting, sine wave output, DC input 48,110, 220VDC, battery backed, 1 - 3kW.

Electrical & Electronic design & development


Experienced Electrical & Electronic design and development, trouble-shooting & test services

Battery discharger  60V 50A  controllable current from Preston Consulting Ltd thumbnail

Battery discharger 60V 50A controllable current


Portable lightweight high power battery testing with controllable constant current discharger / electronic load

Charger - power supply - industrial from Preston Consulting Ltd thumbnail

Charger - power supply - industrial


Long service life, high reliability, easy user setup in the field, parallelable, full alarm outputs.

24VDC charger power supplies from Preston Consulting Ltd thumbnail

24VDC charger power supplies


Extremely resistant to mains spikes, long service life at full rated power.

110VDC charger power supplies from Preston Consulting Ltd thumbnail

110VDC charger power supplies


High reliability and ruggedness, long service life at full rated power.

News & updates

New ultra rugged sine wave inverter from Preston


A new ultra rugged, long service life (15 - 20 years) sine wave inverter from Preston Consulting in Christchurch, New Zealand, Inputs are 24V, 48V, 110VDC, 220Vac out 50Hz or 60Hz, 1kW to 3kW with …

Best work

Major Product - Service:


Ultra high reliability battery chargers and power supplies for a wide range of industry uses, oil & gas, power distribution,

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