Joined: Aug 10, 2004 Posts: 881 Location: New Delhi-India
Posted: Thu Dec 11, 2008 1:26 pm Post subject: Re: 150W ballast for 2x70W MH?
Suraj Run Two 70W Lamps on an Electronic Ballast designed for that purpose.
For example if you have say 2 X 70 W HID Lapms you can use
HID-ECG - not dimmable - PTi ( This is from OSRAM) Product Code PTI 2X70/220-240 S UNV1
So this allows two 70 Watts Lamps to be connected with one Electronic Ballast.
But the flip side is that the ECG is very costly compared with a copper ballast and probably you could afford two of them at half the price of the ECG. But again ECG gives a better light and increases the life of the bulb by 30% and lower running costs... so somehwere it will balance off on the long run.
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