■What is explosion-proof type?
In the unlikely event that a gas explosion occurs inside the motor, the structure is able to withstand the pressure and there is no risk of external explosive gas igniting. An increased safety explosion-proof motor is a motor with increased safety in terms of structure and temperature rise so that it can be used in locations with explosive gas.
A flameproof explosion-proof motor is a motor with a stricter structure than an increased-safety explosion-proof motor, such as clearances and wall thickness for each component. It is manufactured in accordance with the factory electrical equipment explosion-proof guidelines, has been certified by the Industrial Safety Technology Association, and is delivered with a certification badge.
■Increased safety explosion-proof motor
- Increased safety explosion-proof motors are safer than general-purpose motors due to their structure and characteristics, and are designed to prevent them from becoming a source of ignition.
- Mainly used in Class 2 hazardous locations such as chemical factories and various plants where explosive gas is present.
・The allowable lock-in time is displayed on the product, and the protection relay at startup must be set within this time.
■Pressure-proof explosion-proof motor
・In the event that an explosion occurs inside the motor, the pressure-resistant explosion-proof motor has a structure that allows the container to withstand the explosion pressure and prevent flames from igniting the gas outside.
- Mainly used in Class 1 hazardous locations such as chemical factories and various plants where explosive gas is present.
Features
■High safety
We apply the Factory Electrical Equipment Explosion-proof Guidelines for General Explosion-proof Structures for Electrical Equipment, and carefully consider containers, locking structures, terminal boxes, bearings, etc., and manufacture our products.We strictly check their functionality through temperature tests and structural inspections. Therefore, it is extremely safe and can be used with confidence.
■Small and lightweight
The effective cooling structure makes it compact and lightweight, making it convenient to install and handle.
■Excellent characteristics
Thanks to Toshiba Motor's technology inherited over many years, it exhibits excellent starting and operating characteristics.
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