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Helvar twin 45w-54w electronic ballast

  • Helvar twin 45w-54w electronic ballast
  • Juwel replacement ballast cable

Twin T5 Juwel Compatible Aquarium Ballast - Helvar 45w Juwel Compatible High Output

The Helvar 45w Juwel compatible ballasts are a high quality replacement if you are looking to replace or fix your current Juwel light unit. This ballast is the ideal replacement for light units on the following aquariums- Rio 180, Panorama 100, Trigon 350 (Front), Delta 300

Availability: In stock

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Our replacement Juwel Ballasts are compatible with the 45w Juwel T5 tubes. Needing to replace the ballast in your Juwel light unit? Both bulbs stopped working?
The Helvar iQuatics replacement T5 Ballasts will be perfect for the job in hand.

The Helvar  Ballasts are to be used with High Output tubes where these to be the standard 24w, 39w, 54w, 80w or the JUWEL compatible High Output tubes, 24w, 28w, 35w, 45w, 54w or 54w (1200mm) Please see which model you require from the table below:

Note - Juwel have used several different ballasts in their High Lite Units over the years. Some with 6 connections, some with 7 and some with 8. If you follow the wiring diagram displayed on the front of your ballasts and the replacement ballast the fitting of your new ballast will be straightforward.  Specific instructions for fitting your ballast are available on request.

Model NoCompatibilityTube LengthNumber of Tubes
IQU-BAL-24W 24w (Standard) 550mm / 22" 2
  24w 438mm / 18" 2
  28w 590mm / 24" 2
 IQU-BAL-39W 35w 742mm / 30" 2
  39w (Standard) 850mm / 34" 2
IQB-45-54DBL 45w 895mm / 36" 2
  54w (Standard) 1150mm / 46" 2
  54w 1047mm / 42" 2
  54w 1200 1200mm / 48" 2
IQB-80-SNG 80w 1450mm / 58" 1

What is a ballast ?

The Helvar ballast should be used with solid single core cable (available from iQuatics) in:

  • 1 Meter (2.99)
  • 5 Meter (£5.99)
  • 10 Meter (£9.99)

Click Here for wiring instructions.

High Output T5’s are better to use in your aquarium lighting than the regular T8 as they have increased water penetration and are more efficient. You don’t lose the illumination at the bottom of the deeper tanks.With this lighting you are not restricted as much to the content of your aquarium, stock levels can be increased without the worry of inadequate levels of light.

The greater intensity, deeper penetration and Higher output allows you to stock your tank with a wide range of soft corals and allow them to flourish which was not possible with T8 Fluorescents.

Key Benefits of our High Output T5's:

  • Greater Intensity
  • Deeper Penetration
  • High Power

Ballast Dimensions:

  • 270mm(l) x 26mm (h x 32mm (w)

Buy from iQuatics and benefit from Industry Leading Aquarium Lighting :

  • Industry Leading Aquarium Lighting Customer Service
  • High Quality Brand New Boxed Goods
  • FREE Fast UK Delivery

*Juwel®  is a registered trademark of Juwel Aquarium. This product is manufactured by iQuatics® and is in no way associated with or manufactured by Juwel®. It is advertised as a product compatible with Juwel® products.

*Ballast provided may differ from that pictured, all ballasts will be of exact specifications and full wiring instructions provided*

Tube Width 16mm
Total Watts 45W X 2
Replacement Tubes 24w 550mm, 24w 438mm, 28w 590mm, 35w 742mm, 39w 850mm
Tube Length 24w 550mm, 24w 438mm, 28w 590mm, 35w 742mm, 39w 850mm
Length 270mm
Width 32mm
Height 26mm
Colour White
Mounting Method Lighting Pendant/Electronic Controller
Use Aquarium lighting pendant
Use With iQuatics Reflectors Yes
Instructions Follow YouTube video for installation
Specification Standard IEC specification

Customer Reviews

Absolutely brilliant – Review by Martin (Posted on 05/02/2019)
Top tech when it comes to wiring, excellent delivery and value for money, would recommend to everyone
Replacement for Jewel T5 ballast – Review by Jez (Posted on 22/05/2017)
Excellent and speedy service. Called customer enquiries with a wiring query and was sent a detailed explanation by one of their engineers of how to wire the replacement. Thanks for all your help!
Fantastic – Review by I am Landor Ha Ha Ha (Posted on 30/06/2015)
Perfect, friendly service and help and advice to install new ballast.

impossible to ask for more.

thanks guys

Write Your Own Review

You're reviewing: Twin T5 Juwel Compatible Aquarium Ballast - Helvar 45w Juwel Compatible High Output

Tip: T8 Tubes are 8/8 inch in diameter (26mm). T5 Tubes are 5/8 inch in diameter (16mm). When measuring the length of your tube, measure in mm from end to end without the pins. These ballasts are to be used with T5 HO tubes(see label) and not T8 26mm.

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Choose a delivery that suits you 

Due to the nature of the products that we manufacture our delivery methods have to be selected carefully to prevent damages in the post. Here are some of the methods we use:

UK Mainland

  Time  Small Items  Large Items  Cost 
 FREE DELIVERY  3-5 Working Days  Royal Mail/MyHermes
 Monday - Friday 
 MyHermes £0.00
 1-3 Day Delivery  1-3 Working Days
 Between 8am-6.30pm 
Royal Mail/MyHermes  UKmail-UPS-DPD £2.50
 UPS Next Day Delivery  Next Working Day*
 Between 8am-6.30pm
UPS-DPD-UKmail  UPS-DPD-UKmail £3.99
 Next Working Day AM   Next Working Day*
 Before 12am
 DPD-UKMail  UKMail  £6.99
 Next Working Day PM   Next Working Day*
 After 12am 
 DPD-UKMail  UKMail  £6.99
 Next Working Day before 10.30am   Next Working Day*
 Before 10.30am
  DPD-UKMail  UkMail  £11.99 
 Saturday Delivery  Saturday Only

 Royal Mail Saturday Delivery/

 UKMail  £11.99

 *Business address must have separate entrance and be open to the public, business’s registered at domestic addresses must use residential delivery option. 

Islands & Highlands

 TimeSmall ItemsLarge ItemsCost
FREE DELIVERY 4-5 working days My Hermes  NOT AVAILIBLE  £0.00
2 - 3 Day Delivery  Monday - Friday  Royal Mail First Class Recorded Courier Islands & Highlands £14.99


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1 - 4 Days DHL/UPS £5.99 - £15.99  Call for Pricing  Call for Pricing  Call for Pricing Call for Pricing
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