This standard specifies the specification range, structural type, performance requirements, test methods and acceptance rules of Z series medium-sized DC motors. This standard is applicable to end-cap type Z series medium-sized DC motors with a center height of 355 mm to 710 mm. It is also applicable to other structural types of DC motors derived from this series of DC motors. Matters not specified in this standard shall comply with the provisions of GB 755.
JB/T 9577-1999 history
2011JB/T 9577-2011 Specification for the Z series of medium size DC motor
1999JB/T 9577-1999 Technical requirements for the Z series of medium size direct current motor