Product Details
The explosion-proof motors are designed for hazardous environments, adhering to the motor's explosion-proof class and group ratings for applications that may contain explosive gases or materials. They are UL listed for frames 56-145T and 182T-445T, classified as class 1 groups C & D and class 2 groups F & G (divisions 1 & 2). Additionally, frames 182T-256T and 364T-449T are also categorized under class 1 group C & D and class 2 groups F & G (divisions 1 & 2). The 250 HP variant is available in class 1 group D and class 2 groups F & G (divisions 1 & 2). The motors feature steel frames and cast aluminum end brackets for frames 56-145T, while cast iron frames and end brackets are used on frames 182T and larger. Inverter-rated designs are available for a constant and variable torque speed range of 6 to 60 Hz (10:1). These motors are nameplated for 190/380 volt, 50 Hz operation and utilize a premium class F insulation system. The thermal protection options include an automatic reset thermal protector for frames 56-145T or a thermostat for frames 182T-449T. Furthermore, the motors meet the UL frame temperature limit code T3B, ensuring compliance with safety standards.
