Increased safety <br>explosion-proof type motor

Increased safety
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

About Increased safety
explosion-proof type motor

The increased safety explosion-proof type motor is safer than the general-purpose motor from the perspectives of structure and character. It is designed not to become an ignition source. The motor is used mainly in hazardous areas of Zone 2, such as chemical and other plants, where explosive gas is present. The product has its allowable locking time indicated on it. When the product is started, the protection relay needs to be set to operate within this time.

Features

Temperature rise limit

Temperature rises are limited to 10°C below the specified value.lower than the value specified in JIS.

The allowable locking time and locked current are indicated on the nameplate.

The allowable locking time and locked current are indicated on the nameplate for protection coordination, ensuring explosion proofness.

Locking mechanism for the terminal box screw part

The structure is almost the same as that of a non-explosion-proof type motor. The terminal box screw part has a locking mechanism to ensure explosion proofness.

Locking mechanism for the terminal box screw part

Explosion-proof structure: eG3

Explosion-proof structure: eG3 
Target: Gas and vapor 
Applicable hazardous area: Zone 2

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.

Increased safety explosion-proof type motor Spec

Increased safety explosion-proof type motor Spec

2-pole at 0.4 to 37 kW, 4-pole at 0.2 to 37 kW, 6-pole at 0.2 to 37 kW

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