Operation Type Code:

S - Standard Type (Non-Manual Type) - W:Flat Head
A - Standard Type (Non-Manual Type) - WA: Round Head

M - Manual Type
C - Built-In Remote Control basing on Non-Manual Type

E - Electric Limit Switch with Built-In Remote Control

U - Unhitched (With Brake Releasing)

R - Buitl-In Remote Control basing on Manual Type