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Tridonic Ballast 2 x 26W to 42W CFL

Item code: 81657


The Tridonic 2 x 26W to 42W CFL Ballast is designed to run either one or two 4-pin TC-DEL compact fluorescent lamps, and boasts a long 50,000 hour lifespan.

  • Ballast for Compact Fluorescent Lamps
  • Suitable for luminaires with either 1 or 2 lamps
  • Suitable for luminaires with protection class SK I and SK II
  • Size: H 31 x W 67 x L 103mm
See Full Description
£13.99 ex.VAT

*Expected delivery date

Friday 15th November

Order by 7:45pm Today for delivery on Friday 15th November

More Info

Code Unit Price ex.VAT Stock Qty Buy
1-9 10+
£14.99 £13.99
In Stock

Tridonic Ballast 2 x 26W to 42W CFL


The non-dimmable Tridonic 2 x 26W to 42W CFL Ballast is an electronic high-frequency ballast, designed to run either one or two 4-pin TC-DEL CFLs. As a replacement for an expired or inefficient ballast, this product avoids the need to replace a complete fluorescent light fitting.

The ballast has an average-rated lifespan of 50,000 hours and can withstand over 50,000 starts, to ensure a long service life. With its Intelligent Voltage Guard feature, the 2 x 26W to 42W CFL Ballast automatically guards against overvoltage or undervoltage.

A safety shut-down feature closes the fitting down when defective or end-of-life lamps are detected, thus preventing possible damage to the ballast and lampholders. The ballast restarts automatically after a lamp change.

An electronic HF ballast such as this one offers numerous advantages over a standard magnetic ballast, including an immediate start (under 1.6 seconds in this case), no flickering or humming during operation, increased energy efficiency, and up to 50% greater lamp lifespan.

Operational within a wide -25°C to 60°C ambient temperature range, the top-quality Tridonic 2 x 26W to 42W CFL Ballast maintains a constant luminous flux, irrespective of fluctuations in mains voltage.

Easy to install, this ballast is suitable for safety protection class I or class II devices.


The dimensions of the Tridonic 2 x 26W to 42W CFL Ballast are:

  • Length: 103mm
  • Width: 67mm
  • Height: 31mm


Additional Information

Supplier Code PC1/2X26-42TCPRO
Brand Tridonic
Length 103mm
Height 31mm
Width/Dia 67mm
Type Ballast

Delivery Information

Place your order online Monday to Thursday before 7:45pm, before 3:45pm on Friday, or 1:45pm on a Sunday, and subject to availability*, it will be picked, checked, packed and dispatched within minutes. Once your order is on its way, you’ll receive regular updates on its progress, together with tracking information allowing you to monitor where it is on its journey.

How much does delivery in the UK cost?

3-5 day:£0.00 when you spend over £50.00 (excl. VAT)
£3.99 when you spend under £49.99 (ex VAT)
1-2 day:£5.99

Can I get free delivery?

We offer free ‘standard’ delivery to UK Mainland (except selected postcodes) for any order that is over £50 (excl. VAT). This takes three to five working days for delivery.

How does it work for ‘Highlands and Islands’ or overseas deliveries?

* Some products are not available for immediate dispatch. See product page for details. To read more about our delivery service, zones and special rates, visit our delivery page.
Feefo Reviews

Feefo Reviews - Average 85% (2 reviews)

85 2 100
Tridonic Ballast 2 x 26W to 42W CFL
Date Score Customer Comment Our Response
16-Jul-2015 Product:
Excellent was a direct replacement for faulty item
06-Jan-2015 Product:
Good product
Read more reviews on Feefo

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