Page 10 - Abb Motors
P. 10
MOTORS FOR
EXPLOSIVE
ATMOSPHERES
It is important to safely use electrical Flameproof motor - 0.18 to 950kW (Ex d, Zone 1)
equipment in explosive atmospheres. Protection type Ex d requirement options for use
with an AC drive
IPD offers motors for explosive
The motor has been tested together with the drive
atmospheres, such as the food, for the duty intended and with the protective device
chemical, pharmaceutical, oil and gas provided.
Or, use direct temperature protection with embedded
industries, for use with variable speed
temperature sensors and with a sufficient margin to
drives with the following protection protect the bearings or the rotor. The actions of the
protective devices used must cause the motor to be
types.
disconnected.
1. Joints with long spigots preventing flames escaping
2. Flame paths between shaft and inner bearing
covers
3. Motor housing developed to withstand an internal
explosion
10 | Precision & Reliability ABB Motors
