Datasheet
109
45-739 300 WATT ISOLATION TRANSFORMER
Isolation between different electrical circuits. Front panel On/Off switch. Power LED indicator. 6ft. AC cord.
Specifications:
Wattage ..................................300 Watts
Size ................. 4.25”W x 3.5”H x 6.25”D
Weight .........................................7.5 lbs.
45-778 10 AMP REGULATED SWITCHING POWER SUPPLY
This state-of-the-art power supply gives increased power handling. This new technology gives
increased power handling and efficiency at low heat dissipation. Built-in over load and over voltage
protection. 6ft. AC cord.
Specifications:
Size: 5.5” L x 6” W x 3.25” H ........................Ripple.... 75 mV at 80% load; Max output ripple 200 mV
Input .................................................. 105–128 Vac....Switching Frequency.................... Q, 35–40 KHz
Output....................................................... 13.8 Vdc....Line Regulation Output................................... 1%
Output Current............................. 10A (surge 12A)....Operating Temperature.......... 0°C through 50°C
Over Voltage .................... Short Circuit Protection....Weight....................................................... 3.3 lbs.
45-734 MULTI-VOLTAGE 2 AMP REGULATED POWER SUPPLY
Binding post on the output comes with a 6 ft. cord with six detachable plugs. Comes with
ON/OFF switch.
Specifications:
Size..............................................................................................................3.5" W x 3" H x 5.5" D
Input...................................................................................................................... 120 Vac, 60hz
Fuse ............................................................................................................................... 0.5 Amp
Voltage Out .......................................................................................... 3, 4.5, 6, 7.5, 9, 11.5Vdc
Weight............................................................................................................................... 3.4 lbs.
2 Output Jacks
PORTABLE STEP-DOWN TRANSFORMERS
Can be reversed for use as step-up transformers. No isolation from primary to secondary.
45-780 ............. 220 Vac - 110 Vac, 50 Watts 45-792............ 117 Vac or 100Vac, 500 Watts
45-781 ........... 220 Vac - 110 Vac, 100 Watts Cord in on 117 Vac side
45-782 ........... 220 Vac - 110 Vac, 200 Watts 45-793 ............. 117 Vac or 100 Vac, 950 Watts
45-783 ........... 220 Vac - 110 Vac, 300 Watts 45-801..............220 Vac - 110 Vac, 1300 Watts
45-784 ........... 220 Vac - 110 Vac, 500 Watts 220-110 only cord in on 220 side
45-786 ......... 220 Vac - 110 Vac, 2000 Watts
grounded binding post for input and output
45-787 ......... 220 Vac - 110 Vac, 3000 Watts
with binding post for input and output
PORTABLE STEP-DOWN TRANSFORMERS
Can be reversed for use as step-up transformers. No isolation from primary to secondary.
Switchable - has both 220 & 110 sockets. Comes with grounded socket with an ON/OFF switch
and a 5A, 5mm x 20mm fuse. Weight is 19 lbs.
45-781A......... 220 Vac - 110 Vac, 100 Watts 45-783A .......... 220 Vac - 110 Vac, 300 Watts
45-782A........ 220 Vac - 110 Vac, 200 Watts 45-784A .......... 220 Vac - 110 Vac, 500 Watts
45-785A..............220 Vac - 110 Vac,1000 Watts
Size: 13.75” d x 7.5” h x 9” w
STEP-UP/ DOWN TRANSFORMERS
45-742A 0-30Vdc 5 AMP REGULATED DIGITAL POWER SUPPLY
Both Amps and Volts are variable. Complete with ON/OFF switch. Uses 3 Amp fuse and
is short circuit protected.
Specifications
Load Regulation at 1%................. 20-30V Voltage Regulation ...........1% max, input
Load Regulation at 1.5%............ ..10.20V Output ..................... 115-120V rated load
Load Regulation at 2%................. 0-10V Current Limiter ............................Adjustable
Weight ..................................... 13.4 lbs. Size .................... 9" W x 4.5" H x 10.5" D
CALRAD
45 Series - Transformers, Power Supplies