14A-20-28

POWER TRANSFORMER 1. CONFIGURATION & DIMENSIONS : W E Square PC terminals 14A-20-28 (F) SERIES C A C A D B L 4.763(0.187) Min. A H Clearance for optional WTG screws F A B PCB Pattern UNIT : mm (inch) VA 20.0 - gram 408.23 - L 57.15 W 47.63 H 41.28 A 10.16 B 10.16 C 37.08 D - E - F 38.10 Dim Pin 0.80 SQ (2.250) (1.875) (1.625) (0.400) (0.400) (1.460) (1.500) (0.032)SQ 2. SCHEMATIC : 6 115V 50/60Hz 4 3 115V 50/60Hz 1 indicates polarity 12 10 9 7 3. ELECTRICAL CHARACTERISTICS ( @ 25°C ) : a. Primary Voltage b. No Load Primary Current Input AC 115V 60Hz . Input AC 230V 50Hz . c. Secondary Voltage (±5%) d. Secondary Load Current e. Full Load Primary Current Input AC 115V 60Hz . Input AC 230V 50Hz . f. Full Load Secondary Voltage (±5%) g. DC Resistance Pin 1-3 Pin 4-6 Pin 7-9 Pin 10-12 h. Insulation Resistance i. Withstand Voltage (Hi-Pot) j. Temperature Rise k. Core Size AC 115/230 V 50/60 Hz . Less Than 70mA . Less Than 70mA . Series AC 32.80V . C.T. Parallel AC 16.40V . Series 720mA . Parallel 1440mA . Less Than 225mA . Less Than 140mA . Series 28.00V . C.T. Parallel 14.00V . Primary = 67 Ohm . = 56 Ohm . Secondary = - Ohm . = - Ohm . DC 500V 100Meg Ohm Of More . AC 3750V 50Hz 1 Minutes . Less Than 75 Deg C . EI-57 x 20.00 m/m . NOTE : Specifications subject to change without notice. Please check our website for latest information. 25.02.2008 SUPERWORLD ELECTRONICS (S) PTE LTD PG. 1