Owner's manual please read this manual before operating your unit desktop switching power supplies model: sec-1212 sec-1223.
Table of contents topic page important safety instructions 2 description and features 3 connection and operation 4 cooling and fan control 4 battery charging and back up 5 trouble shooting 5,6 limiting electromagnetic interference 7 switching power supplies & rf noise 8,9,10 specifications 11 warran...
Caution ! Risk of electric shock do not open warning—to reduce the risk of fire or electric shock, do not expose this appliance to rain or moisture. There are no user serviceable parts inside—refer to qualified ser- vice personnel. Important safety instructions please read before using your power su...
Description sec-1212/sec-1223 are switched mode power supplies which convert 120 vac, 60 hz to regulated 13.8 vdc based on pulse width modulation ( pwm ) control. Features + based on switched mode technology and pwm control + compact and lightweight + high efficiency and less heat dissipation + prot...
Connection and operation warning ! Before plugging the unit to the ac outlet, please check that your local supply voltage is 120 vac. Note: the dc output connector (red + & black -) has a tubular hole of dia. 0.2”(5mm) with a set screw. For a firm connection, crimp/solder a pin type copper terminal ...
! Battery charging and battery back-up warning ! These units are power supplies and not battery chargers. Do not connect these units di- rectly to a battery these units should not be directly connected to a battery for charging or for battery back-up. Battery charging and battery back-up may be unde...
Problem : the output voltage is 0 v or very low probable cause suggested remedy input voltage is very low check that the input voltage is 120vac the unit is in current limit condition check the output terminals are not due to overload caused by large reactive shorted. Remove the load. If the output ...
7. Limiting electromagnetic interference (emi) this equipment has been tested and found to comply with the limits for a class b digital device, pursuant to part 15(b) of the fcc rules. These limits are designed to provide reasonable protection against a harmful interference in a residential installa...
Switching power supplies and rf noise 1. Switched mode power supplies ( smps ) employ high frequency switching and thus, are a source of radio interference, a recipient of radio interference and a conduit of radio interference. ( older linear type trans- former based power supplies do not employ hig...
4. The receiver may “hear” the power supply. A slowly moving, slightly buzzing carrier heard in the receiver may be caused by the antenna being too close. As with the transmitter related noise pick up, a loose coaxial connector or a broken or a missing ground may aggravate this problem. Normally the...
7. Following additional guidelines may be followed to reduce the effects of rf noise: a. Use additional appropriate ac radio frequency interference (rfi) power line filter immediately before the ac input of the power supply. Recommended: corcom inc. ( www.Cor.Com ) “q” series. Filtered, ferrite coat...
Specifications input voltage(nominal) 120 vac, 60 hz output voltage 13.8 vdc output ripple & noise (on full load) 150 mv peak to peak ouput current, continuous sec-1212 10 a sec-1223 23a current limit sec-1212 14a sec-1223 25a cooling sec-1212 - convection cooled sec-1223 - temperature controlled fa...
12. 3 year limited warranty sec-1212/sec-1223 manufactured by samlex america, inc. ( the “ warrantor “ ) are warranted to be free from defects in workmanship and materials under normal use and service. This warranty is in effect for 3 years from the date of purchase by the user ( the “ purchaser “ )...
Notes:.
Attach copy of receipt here:.
110-17 fawcett rd coquitlam, b.C. Canada v3k 6v2 t: 604 525 3836 f: 604 525 5221 e-mail: samlex@samlexamerica.Com website: www.Samlexamerica.Com vesion sec1212_sec1223(july2005).
