SEC-1212CE SEC-1223CE Switch Mode DC Power Supplies
■SEC-1212CE is cooled by convection. PLACE THE SEC-1212CE UNIT IN A WELL VENTILATED OPEN AND COOL AREA. DO NOT BLOCK THE VENTILATION OPENINGS ON THE SIDES.
●Cooling & Fan Control/Thermal Shut Down (SEC-1223CE)
■SEC-1223CE is cooled by convection and forced air. A temperature controlled fan has been provided to improve cooling at higher loads. The fan is controlled by a sensor mounted on the power transformer. THE FAN WILL BE OFF AT LOWER LOADS. It will come on only when the temperature of the power transformer is ≥ 60ºC ± 5ºC / 140ºF ± 9ºF due to higher loads or higher ambient temperature or poor cool air circulation around the unit. The fan will switch off automatically at ≤ 40ºC ± 5ºC / 104ºF ± 9ºF. In case the fan fails or the air flow is blocked, a second temperature sensor mounted on the power transformer will activate over temperature shut down at ≥ 105ºC ± 5ºC / 221ºF ± 9ºF. The output voltage will be automatically resumed once the unit cools down to ≤ 75ºC ± 5ºC / 167ºF ± 9ºF. PLACE THE SEC-1223 UNIT IN A WELL VENTILATED OPEN AND COOL AREA. DO NOT BLOCK THE OPENINGS AT THE FAN DISCHARGE ON THE BOTTOM AND THE SUCTION OPENINGS ON THE SIDES .
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2014/11/26 |
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11001-SEC-1212CE-1223CE-1114 |
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822 KB |
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