IEC Standards Catalog - IEC Standard 71 - 2 Poles - Ø 106.5 x 55 - FLAT CIRCUIT-RING
IEC stands for International Elctrotechnical Commision, founded in 1906 with the purpose of establishing and implementing international standards to electric technologies and their components. International Electrotechnical Commision, (Commission electrotechnique internationale), is an international association that defines the standards for electricity, electronics and their products.
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											IEC STANDARD 71 Poles number 2 CIRCUIT-RING 
CHANGE SELECTION
						FLAT CIRCUIT-RING
 
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												DEN
												Denomination
(d1-d2) x hc
                                            											(d1-d2) x hc
												COD
												Circuit ring code
											
                                                                  
											
												DE
												Ø rotor
											
                                                                  
											
												D1
												External circuit ring Ø
											
                                                                  
											
												D2
												Internal circuit ring Ø
											
                                                                  
											
												HC
												Circuit ring height
											
                                                                                                                                                                                
											
												AMM
												Circuit ring sec. mm2
											
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IEC STANDARD
Unified unit or axis H. in mm.
71
PHASES
2) single phase - 3) three phase - 2/3 phases
2/3
Poles number
2
Ø Diameter
106.5 x 55
stator
													DE mm toll.
													External diameter of stator
												
												106.5
											
													DI mm toll.
													Internal diameter of stator
												
												55
											
													COD
													Code
												
												281
											
													NS n.
													Number of stator slots
												
												24
											
													AS mm toll.
													Area of stator slots
												
												60
											
													K mmq
													Rad. width of stator circuit ring
												
												13.7
											
													S mm
													Width of stator tooth
												
												3.74
											
													PS gr/mm
													Weight stator lamin.th.0,5 mm
												
												19.5
											
													E
													Entry size of stator slots
												
												2.25
											rotor
													DE mm toll.
													External rotor diameter
												
												55
											
													NR n.
													Number of rotor slots
												
												28
											
													AR mmq
													Area of rotor slots
												
												17
											
													PR gr/mm
													Weight of rotor lam.th. 0,5 mm
												
												6.2