0-270V 10A Variac

The 0-270V 10A Variac Variable Transformer provides a continuously adjustable AC voltage, which is an efficient, reliable method of controlling AC voltage from zero to line voltage by amplitude modulation of the AC waveform.

The Variable Transformer consists of a single-layer winding on a toroidal silicon-steel core. As the control knob is rotated, a carbon brush traverses the winding, tapping off a portion of the total voltage across the winding. The brush is in continuous contact with the winding, and the voltage between turns is always less than 1 volt, even in the largest model. In the smallest model, it is only about 0.3 volts. The discrete voltage increments obtained as the knob is rotated are always less than the voltage between turns. Since the brush spans more than one turn, the change in voltage is practically continuous. The brush is so designed that excessive heating cannot occur in the turns that it spans.

This Dimmer Dot Variable Transformer has many operating advantages over any other manually operated voltage control devices for alternating current use.

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• Variable AC Voltage Output from 0-270V for precise power adjustments
• Maximum Load Capacity of 10A to accommodate a range of applications
• Lightweight and Portable design for easy transportation and setup
• Air-Cooled System to maintain consistent operating performance
• Central Control Knob for smooth and accurate voltage adjustments
• Broad Operating Temperature Range from 0°C to 35°C for adaptability
• Storage Temperature Range from -30°C to 60°C for secure handling

• Operation: Central control knob variac
• Operating temperature range: 0 °C … +35 °C Nominal temperature range: 18 °C … +28 °C Storage temperature range: -30 °C … +60 °C
• Weight: 10kg

• Enhanced Control over AC voltage for versatile applications
• Ease of Transportation with its compact and lightweight build (10kg)
• Simple Operation using an intuitive control design suitable for all users
• Durable Performance with air-cooled technology ensuring consistent use
• Adaptability across varying temperature conditions for dependable operation
• Cost-Effective Rental options help you stay within budget

• Equipment testing and calibration — Ideal for simulating different electrical conditions to test the performance and durability of electronic devices and components.
• Laboratory research — Enables researchers to conduct experiments requiring variable voltage conditions, facilitating advancements in various scientific fields.
• Manufacturing processes — Assists in the production line by providing precise voltage control, ensuring the quality and safety of electronic goods.
• Educational purposes — Used in educational institutions for practical electrical engineering and physics demonstrations, enhancing students’ understanding of voltage regulation and its effects.
• Repair and maintenance — Essential for troubleshooting electrical equipment, allowing technicians to safely and gradually apply voltage to diagnose faults.