Trying to Identify A Very Old Light Tube?

[B0M0A0K]

I am trying to identify a very old florescent bulb that stopped working and I am looking to replace. Specifically I am interested in the likely voltage of this unit and I would like to replace it with an LED equivalent. The bulb is coated white and measures 61cm long by 3cm wide. It has sideways facing contacts for plugging it into the lighting mount which is the same length. The contacts are bigger than anything I have seen before and measure 11mm in diameter with a probe depth of 18mm.

I would be very grateful for any help.

 

[ericmark]

I will guess on a HF tube, and the inverter uses a very high voltage to start, so it will need a new fitting.

 

[B0M0A0K]

I will guess on a HF tube, and the inverter uses a very high voltage to start, so it will need a new fitting.

Would this typically take its feed from the house 240v system. I assume that it will have a step-up circuit in the mounting appliance to reach the high volts you talk about?

 

[flameport]

It's one of these: https://www.cromptonlamps.com/Addit...continued-Architectural-75W-2600K-RP-ARC75PRP
however they are discontinued, and a brief search doesn't show any LED replacements for them.

It was a 240V incandescent.

 

[B0M0A0K]

It's one of these: https://www.cromptonlamps.com/Addit...continued-Architectural-75W-2600K-RP-ARC75PRP
however they are discontinued, and a brief search doesn't show any LED replacements for them.

It was a 240V incandescent.

Yes, that's it. I will replace the whole thing with a 240v LED batten strip. Thanks very much for your help!

 

[Ragnar_AT]

Would that be compatible with an Osram Ledinestra? That’s the LED equivalent of the old Linestra incandescent tube.

 

[FrodoOne]

LED Architectural Lamps are available, although I have not yet located one that is 610 mm in length.
(Ledinestra is one type.)

However, you will need to replace the "Bases" with those of a new design,
since the "Old" type bases have been deemed to be "unsafe".

 

[EFLImpudence]

although I have not yet located one that is 610 mm in length

Any two feet ones?

 

[FrodoOne]

Any two feet ones?

I dd not check on North American sites,
since the "tubes" available there would be for 120 V.