# I have a old schumacher battery charger SE-250-30 and need a switch #644-101000, 25A. 277 VAC, 1hp 125 vac 2hp 277 VAC, 35A mas com term. Can I get an equal?

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Hi,
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Goodluck!

Posted on Jan 02, 2017

It could be an internal fuse, or that the transformer is malfunctioning.

Before any dis-assembly/internal inspection, be sure that the unit in unplugged.

Good luck...

Posted on Feb 25, 2009

SOURCE: need manual

http://manuals.batterychargers.com/manuals/00-00-000496.pdf

Posted on May 28, 2009

Century Tool and Equipment. \$3.99

http://www.centurytool.net/SE_2158_Schumacher_Battery_Charger_Parts_List_s/30946.htm

Posted on Sep 03, 2009

The specs you wrote above are for high voltage.

125 vac = 125 volts alternating current = high voltage
250 vac = 250 volts alternating current = high voltage

110 v = 110 volts alternating current = high voltage

110 v is just another name for 125 vac -- it's called the "nominal" voltage.

So, the answer is yes, this timer can be used for "110 volt lights".

A 60 watt incandescent bulb pulls 1/2 amp when connected to 120 volts -- the spec for your timer looks like is 20 amps @ 125 volts tungsten (tungsten is the filament in incandescent light bulbs) --

I say looks like 20 amps because it's not clear which amperage goes with which voltage. Here are both calculations:

- 10 amps divided by 1/2 = 20 bulbs

- if it's 20 amps: 20 amps divided by 1/2 = 40 bulbs.

Charlie

Posted on Sep 30, 2009

In Canada B & E industrial electronics (Calgary) carries the switches typically used for microwave doors (~\$5). Reliable parts carries the whole assembly of 3 switches and the plastic interlock housing for about \$25. Probably worth calling your local industrial electronics supplier. Never purchased online but should be available from any online electronics reseller. Honeywell is another manufacturer (see Microswitches)... HONEYWELL HIGH FORCE PIN PLUNGER 15A Part # V71C17D8
Allied Electronics Online (US) carries the same switch which is interchangable with yours. Honeywell / MicroswitchSwitch, Miniature, Basic, SPDT, PIN PLUNGER Actuator, QUICK CONNECT TERMINATION
(Are you getting all these numbers off the switch itself as the OMRON RE2 sounds a bit like a relay number...?)

Posted on Oct 21, 2010

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125 vac = 125 volts alternating current, wall outlets
5 amp= 5amps

125vac x 5amps= 625 watts

a timer is a switch with a clock on it. just like a switch in a lamp cord.

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