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Batteries & Chargers Discuss Li-P, Li-Ion, NiMh, Nicad battery technology and the chargers that juice 'em up!

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Old 06-16-2014, 02:29 PM   #1
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Default Thunderpower TP610C Safety Recall

Thunderpower TP610C Safety Recall
I stumbled upon this in the Hacker website:

http://www.hacker-motor.com/produktr...part-29763804/

and the tonisport site:

http://www.fast-webshop.com/tonisport/0/0/2/10

It is dated 2014/04/04 in the Hacker site.

There is insufficient isolation between the primary and secondary windings in the internal power transformer of the unit.

I don't know if this applies to US units with 110v input.
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Old 06-16-2014, 05:18 PM   #2
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Originally Posted by vimy View Post
Thunderpower TP610C Safety Recall
I stumbled upon this in the Hacker website:

http://www.hacker-motor.com/produktr...part-29763804/

and the tonisport site:

http://www.fast-webshop.com/tonisport/0/0/2/10

It is dated 2014/04/04 in the Hacker site.

There is insufficient isolation between the primary and secondary windings in the internal power transformer of the unit.

I don't know if this applies to US units with 110v input.
Standard factory testing involves hypot testing way over rated voltage: I think this is what is involved here.

it might be testing at 3000 volts between primary and secondary windings.

DennyV
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Old 06-16-2014, 05:28 PM   #3
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Originally Posted by kyleservicetech View Post
Standard factory testing involves hypot testing way over rated voltage: I think this is what is involved here.

it might be testing at 3000 volts between primary and secondary windings.
Yes, the article mentioned it failed a 3kV punch through test.

It did recommend that the charger not be used and returned for repair.
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Old 06-16-2014, 08:56 PM   #4
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Well, that's like a 10 year old recall? So unless you have an old one... I have a TP-610C but it's 12v only. I don't see a manufacturing date anywhere on it, so I wonder if the ones that can plug into the house outlet would. Also, I wonder if it's just the 220v ones as the sghts appear German, or includes 110v?
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Old 06-17-2014, 02:03 AM   #5
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Originally Posted by vimy View Post
Yes, the article mentioned it failed a 3kV punch through test.

It did recommend that the charger not be used and returned for repair.
The USA UL standards for electric motors indicates hipot testing consisting of 1000 Volts AC plus double the AC rated voltage. So, a 120 VAC unit would need to withstand 1000 plus 2X120 or 1240 VAC.

Hipot testers can be a bit pricey.
http://www.compwest.com/HT-2000PR_3col.html

Take a look:
http://www.chromausa.com/pdf/app-not...2004052013.pdf

Before retiring, the company I worked for routinely hipot tested every high voltage circuit breaker at voltages up to 85KV, checking both bushings to ground, and, 85KV directly across the circuit breakers open contacts.

The shop had to be careful. Applying 85KV AC voltage hypot tests across an open vacuum type circuit breaker contacts generates soft X-Rays. Lead shields were required.

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Old 06-17-2014, 03:15 AM   #6
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[QUOTE=xmech2k;950632]Well, that's like a 10 year old recall? . . ./QUOTE]

Date is April 4, 2014. Its in a year/month/day format

"Treason doth never prosper. What's the reason? For if it prosper, none dare call it 'treason.' -- Sir John Harrington
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Old 06-17-2014, 04:10 AM   #7
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[QUOTE=Abuelo;950660]
Originally Posted by xmech2k View Post
Well, that's like a 10 year old recall? . . ./QUOTE]

Date is April 4, 2014. Its in a year/month/day format
Reading too fast!
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Old 06-17-2014, 05:21 AM   #8
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Hi,

I just saw the article there when I was looking at their motors, so I thought it may be useful to someone.

Cheers
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Old 06-17-2014, 05:35 AM   #9
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Originally Posted by vimy View Post
Hi,

I just saw the article there when I was looking at their motors, so I thought it may be useful to someone.

Cheers
If was, thanks for posting it.

DennyV
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