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Explosion Proof Rating
ER Series motors are rated for Class 1, div 1, Groups B, C and D. The classification of "Class 1" means that flammable gases or vapors may be present in the air in quantities sufficient to produce explosive or ignitable mixtures. "Division 1" means that hazardous concentrations in the air may exist continuously, intermiitently, or periodically under normal operating conditions. "Group B" allows for atmospheres containing hydrogen, or gases (or vapors) of equivalent hazard, such as manufactured gas. "Group C" allows for atmospheres containing etyhyl-ether vapors, ethylene or cyclo propane. "Group D" allows for atmospheres containing gasoline, hexane, naptha, benzene, butane, alcohol, acetone, benzol, lacquer solvent vapors, or natural gas. ER Series motors are not rated for operation in atmospheres containing acetylene.
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Compact Gearmotor
The gearmotor comprises a brushless permanent magnet motor optimized for use with an integral planetary gear set. Through the uniform load sharing of several gears acting in concert, planetary gearheads provide a very compact, reliable solution providing high torque, low backlash and low maintenance.
Match with Any Servo Drive
The ER Series motor can be matched with our digital control, the SV Series, to provide a servo system suitable for hazardous duty. Alternatively, these motors and gearmotors are compatible with nearly any manufacturers' amplifier.
Exlar's Unique T-LAM Stator Technology
Exlar's ER Series rotary motors and gearmotors offer a very high torque to size ratio when compared to other suppliers' motors. All of Exlar's motors utilize T-LAM, an innovative winding designed for efficiency, power and durability.
This design offers several advantages over traditional winding designs for a more efficient and powerful motor. Built for durability, the individual segments, more robust insulation, the magnets and potting all provide a more thermally robust motor design -- a design yielding a 35 to 70% torque increase in the same package size! T-LAM motor designs have Class H insulation systems compliant with UL requirements.
For more information on ER Series gearmotors visit the following areas:
General Product Information
Configuration of a Typical ER Series System
Electrical/Mechanical Specifications
Efficiency and Backlash Specifications
Radial Load Specifications
Output Torque Ratings
ER Series Speed vs. Torque Curves
Ordering Guide
Download Instruction Manual
Download ER Series Explosion-Proof Catalog Section
ER Series Dimensions
Dimensions for ER115 Motor, Imperial and Metric
Dimensions for ER115 Gearmotor, Imperial and Metric
System Installation Information:
(The following are Adobe .pdf files)
ER Series Motor File Name
ER Series with Exlar SV Series
Download Motor Data Files
ER Series with Emerson UniDrive SP and SM-EZ Module
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