Equipment protection level Gc for Zone 1 and Zone 2

Equipment protection level Gc for Zone 1 and Zone 2

Protection type Ex nA

Output power IEC 1 - 65 MW

NEMA 1000 - 80 000 HP    

Chassis type IEC 0710 - 2500    

Number of poles 4 - 40     

Voltage rating 1 - 15 kV     

Frequency 50 - 60 Hz 

Protection class IP 23 / IP W24 / IP 44 / IP 54 / IP 55  

Cooling method IC 01 / IC 611 / IC 81W      

Housing material Welded steel  

Motor type AMZ  

Mounting type Vertical or horizontal 

Hazardous area For zone 2

Temperature class T1 - T4     

Approvals according to ATEX directive, IEC and NEC standards

Classification society approvals All international classification societies, such as ABS, BV, DNV and GL 


Industrial processes require high-powered, low-speed motors with high reliability. Our synchronous motors are compact, lightweight and easy to retrofit. In all cases, we are always in sync with our customers, ensuring that their specific needs are met with our unique technical application expertise. Our products are designed to increase product efficiency, extend service life and reduce overall lifecycle costs, with up to 90% of parts being reused.


ABB direct start low-speed synchronous motors are characterized by a flexible design concept that can be selected to meet almost any type of application, installation and requirement. This proven design concept has demonstrated consistent performance and reliability in a wide range of applications.

ABB offers synchronous motors according to the Ex nA protection principle. ABB has extensive experience in designing non-sparking synchronous motors to ensure reliability and safety.


Technical data of 8-40 pole non-sparking direct start synchronous motors

Equipment protection level Gc for Zone 1 and Zone 2


Customer value

High power

High torque


Power Factor Compensation High Availability

Low cost of ownership

High reliability


ABB synchronous motors are based on a proven design with high availability and reliability. The motor is designed to ensure a low cost of ownership. This means that major cost of ownership, losses and downtime over the entire motor life cycle have been minimized in the motor design. This concept has been proven and refined over a long period of application experience.

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