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Harvard IDD220-240-C 2x20W High Frequency CMH Ballast
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10+ £7.54 20%
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Delivery
Fastest delivery: Tomorrow, Monday 17
Standard delivery: Tuesday 18
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The Harvard IDD220-240-C is a high frequency electronic ballast designed for operating two 20W ceramic metal halide (CMH) lamps. This compact unit is supplied with a secure cable clamp and was known for providing stable performance and reliable ignition for CDM lighting systems. It was widely used in commercial lighting applications such as retail and display environments where energy-efficient discharge lighting was required.
Now classified as obsolete and no longer in production, the IDD220-240-C is no longer supported for new installations. However, it remains relevant for maintenance or replacement in legacy lighting systems already using this model. Users seeking a current alternative should consider compatible CMH digital gear or consult with a lighting specialist for retrofit solutions.
SPECIFICATION TABLE
UK Mainland:
2–3 Day Delivery: £3.95 for orders under £65, free for orders over £65
2–3 Day Courier Delivery: £7.95 (under £65 only)
Next Day Delivery: £4.95 (any order value)
Next Day Courier Delivery: £9.95 (any order value)
Note: Services marked with an asterisk () are unavailable for items over 3 feet in length.*
Non-Mainland UK:
Standard delivery starts at £3.95 for small orders
Courier prices range from £14.95 to £37.95 depending on postcode zone and order size
International Delivery:
Shipping costs are tailored to order size, weight, and location
Email: sales@lampshoponline.com for a personalised quote
Customs fees/duties are the buyer’s responsibility
Terms:
Orders placed before 3 PM (Mon–Fri) are dispatched the same day
No weekend or public holiday deliveries