This powerful, energy-efficient PTC electric space heater is particularly suitable for use in industrial settings. The PTC ceramic heating element delivers fast, safe heat production. The heater has two heat settings as well as a fan mode, and an adjustable thermostat enables a room temperature to be set and maintained. The electric space heater also has thermal overheat protection and a tubular stand with angle adjustment. Electrical Supply Requirement - 400volt Heaters This industrial space heater is designed to be connected to a 3phase 415volt electrical supply and is supplied with a 5 pin 3phase plug. Please ensure that you have suitable 3 phase 415v electrical supply available in the area that you wish to apply the heater. A normal domestic single phase 240volt supply will not be sufficient. If in doubt please consult a qualified electrician before purchasing this industrial product.