Provides a single phase continuously variable AC voltage to be obtained from AC mains, with output varying from OV to a maximum of 15% above the supply voltage, thus giving a maximum of 275V from a nominal mains input of 2401. Comprises a toroid ally wound transformer enclosed in a protective sheet metal casing, providing output through a pair of 4mm socket terminals, selectable through a knob mounted at the top and can be read from the circular scale present along side knob. Contact between the toroidal winding and output terminal through a carbon brush rotating around the coil. With indicator for ON/OFF state. Includes 3-core mains cable. Available in current ratings
Worldwide Institutional Supply & Export Solutions
Advanced Educational, Medical & Technical Laboratory Equipment Manufacturer
INTERLABS is a trusted Indian manufacturer and exporter of educational laboratory equipment, engineering training systems, healthcare teaching products, TVET solutions, medical instruments, communication trainers, clean air systems, and institutional procurement equipment for global educational and healthcare markets.
Educational & Technical Training Systems
Comprehensive STEM learning systems, engineering trainers, electronics communication trainers, embedded control modules, and vocational training equipment designed for schools, universities, polytechnic institutes, and technical education projects.
Healthcare & Medical Equipment Solutions
Professional medical laboratory products, anaesthesia instruments, healthcare teaching systems, institutional medical training products, and procurement support solutions for hospitals, healthcare institutions, NGOs, and government healthcare programs.
Industrial & Clean Air Laboratory Solutions
Clean air equipment, laboratory airflow systems, institutional research products, engineering laboratory systems, and technical infrastructure solutions for industrial, educational, and healthcare laboratory environments.
Global Institutional Procurement & Export Support
We support educational institutions, technical universities, engineering colleges, healthcare projects, vocational training centers, NGOs, ministries, government procurement agencies, and industrial training organizations across Africa, the Middle East, Southeast Asia, and international export markets.
Our export-ready manufacturing infrastructure supports bulk institutional procurement requirements with professional export packaging, OEM manufacturing capability, logistics coordination, and worldwide shipping support for educational and healthcare infrastructure projects.



