CALRAD # 45-741 VARIABLE AC ISOLATION TRANSFORMER
VARIABLE OUTPUT AC VOLTAGE REGULATOR 5Amp. ISOLATED supply with Volt meter. Fuse protected with On/Off switch and AC Volt meter scale 0-150 Vac. Output voltage adjustable from 0-130 Vac.
Input Voltage 110V-120V AC
Output Voltage 0-130 Vac
weight 10 Lbs.
Variac is suitable for the appliance controlled by a variable voltage such as: Home appliances, Automatic systems, precision equipment, Telecommunication system, Laboratory & test equipment. Helps find defective circuit by bringing up an AC input voltage slowly.
Please be sure you are using current lower than rated one.
Primary Isolated from Secondary
Power factor: >95%
Insulation resistance: more than 100M ohm at DC 500V
Dielectric strength: tested at AC 1000V for 1 min.
Waveform distortion: same as input.
Overload & short circuit protection: AC fuse.
Environment temperature:-5 C ~ +40 C
Humidity:0 ~ 95% non-condensing
1. Never use the variac in an overload condition and never exceed the current rating. The current rating and the KVA rating are specified under the condition of the 10% input voltage deviation.
2. Take account of the voltage drop which occurs between the regulator variac and load.
3. When connecting the output socket to load, use cables of higher ratig than the desired output current to avoid unnecessary voltage drop.
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