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Pressure-resistant
explosion-proof type motor
An electrical apparatus used in a place where explosive gas or vapor is present needs to be of an explosion-proof type to prevent deaths, damages to facilities and other disasters from being caused by an explosion. Toshiba manufactures highly safe, highl
Pressure-resistant
explosion-proof type motor
About Pressure-resistant
explosion-proof type motor
The pressure-resistant explosion-proof type motor has a structure that keeps its enclosure intact even if an explosion occurs inside the motor. The structure also prevents fire from spreading to outside gas. The motor is used mainly in hazardous areas of Zone 1, such as chemical and other plants, where explosive gas is present.
Features
- Anti-inflammatory action by gap dimensional control
- Pressure-resistant enclosure capable of enduring an explosion
- Specially designed motor structure
- Explosion-proof structure: d2G4
- Inverter drive
Anti-inflammatory action by gap dimensional control
Gap control is exercised on the shaft penetrating part and joint surface to prevent fire from spreading outside even if an explosion occurs inside the motor.
Pressure-resistant enclosure capable of enduring an explosion
The motor is protected from being damaged by explosion pressure. (The motor enclosure itself is pressure-resistant.)
Specially designed motor structure
The structure is specially designed for pressure resistance and explosion proofness.
Explosion-proof structure: d2G4
Explosion-proof structure: d2G4
Target: Gas and vapor
Applicable hazardous area: Zone 1 and Zone 2
Inverter drive
Inverter-driven 100% constant torque operation is supported within the rotation speed/torque control range of 1:10 (6 to 60 Hz).
In order to be driven by inverter, a dedicated motor is necessary which differed from the standard pressure-resistant explosion-proof motor. (Not available for commercial use.)
Adopts
High safety
The motor is manufactured in compliance with the Recommended Practices for Explosion-protected Electrical Installations in General Industries concerning the general explosion-proof structures of electric equipment, giving full consideration to the enclosure, locking structure, terminal box, bearing, etc. Its functionality is thoroughly checked through temperature tests and structural examinations.
The motor is very safe and can be used with peace of mind.
Compact and lightweight
An effective cooling mechanism makes the motor compact and lightweight, allowing easy installation and handling.
Outstanding performance
Built with the motor technology that Toshiba has fostered over the many years, the motor offers superior starting and operation characteristics.
2-pole at 0.2 to 45 kW, 4-pole at 0.2 to 45 kW, 6-pole at 0.2 to 30 kW
Inverter drive Standard specifications: 4-pole at 0.4 to 45 kW
