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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Switch replacement for Weller PU120; WLC101, 1980s EC stations (EC1001)
UPDATE from original December 25, 2005 posting
------------------------------------------------------------------------ Finding the correct illuminated (neon lighted) rocker switch used in the power base units for the Weller soldering stations: WTCPS, WTCPT, WLC100, WPC300, EC1001, EC3000, early EC1002 can be a daunting task. Through the years, Weller has used different suppliers for this switch: C&K (ITT) and Carling (621 series) being the 2 most common. Finding these switches readily available as component replacements is difficult. Some manufacturers only sell as an OEM component, eliminated the specific model, or require a special order with a quantity of 100 to 1,000 units. Specifications of this illuminated (neon) rocker switch 120 VAC at 8 A SPST (On-None-Off) 120 VAC neon illumination ..187" quick disconnects for ease of replacement with existing Weller wiring The Carling Switch current used by Weller has a nice rounded edge to the translucent rocker -- the NKK and Cherry have a more rectangular, distinct edge. GC / Waldom Electronics now has the exact Carling switch being used in current Weller production. I made a request to the company last year for carrying this part. GC Switch number: 35-696 SPST ON / OFF- RED CLEAR ROCKER As of June 15th, they reported over 240 in stock ! Cost was about $ 2.50 (very reasonable for a blister pack part) http://www.gcwaldom.com/home.html Two additional candidates are illuminated rocker switches from NKK Switch and Cherry. These suppliers also have a 240 VAC (neon) version in their catalogs for Europe and other regions that use 220 to 240 VAC for line voltage. The Cherry model comes in an Amber and Green color option. NKK CWSB21CACF (this is DPST version) .. which works by NOT using the "2a" contact (heat shrink insulation over QC lug). Allied Electronics part number: 870-0119 Allied & NKK did not list the SPST version in the catalog. I have personally used this part for replacing a defective switch in a PU120 based unit (WTCPS) - it works fine. Cherry LR Series ... LRA22H2BBRLN --- SPST Allied part number 908-0105 I have personally used this switch for replacing a defective switch. At 97 cents - it is a GREAT inexpensive buy http://www.cherrycorp.com/english/rockers/lr_rocker.htm Keep the Weller power base stations running (and looking good) ! Greg w9gb |
#2
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Switch replacement for Weller PU120; WLC101, 1980s EC stations (EC1001)
"g. beat " @spam protected wrote in message
. .. UPDATE from original December 25, 2005 posting ------------------------------------------------------------------------ Finding the correct illuminated (neon lighted) rocker switch used in the power base units for the Weller soldering stations: WTCPS, WTCPT, WLC100, WPC300, EC1001, EC3000, early EC1002 can be a daunting task. Through the years, Weller has used different suppliers for this switch: C&K (ITT) and Carling (632 series) being the 2 most common. The Carling 632 series, can be found here (updated Carling web site) http://rocker-switches.carlingtech.c...switch__37.asp Specifically the replacement part number appears to be: 632152-2B-JN http://www.carlingtech.com/pdf/CarlingSW_622_632.pdf This switch is now as a solid color rocker or as a translucent solid rocker available in Blue, Green, Amber as well as Red. Wide range of lamp voltages from unballasted LED (3 VDC) to 250 V Neon g. beat |
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