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Components



Busbar insulators

High voltage insulator
Epoxy
back
  Green colored Standoffs are Stock Types
Material Nominal Voltage Product-
code
Detail Information: Click on the Distance
<-------- Lenght L in mm -------->
Epoxy 1.6kVMI5035
35
           
Epoxy 1.6kVMI7535     
65
       
Epoxy 3.5kVMI6040  
40
          
Epoxy 3.5kVMI4050   
50
         
Epoxy 3.5kVMI5050   
50
         
Epoxy 3.5kVMI7550   
50
         
Epoxy 5.5kVMI5560    
60
        
Epoxy 5.5kVMI6060    
60
        
Epoxy 5.5kVMI8560    
60
        
Epoxy 6.8kVMI6075      
75
      
Epoxy 6.8kVMI9580       
80
     
Epoxy 8.5kVMI6090        
90
    
Epoxy 8.5kVMI7590        
90
    
Epoxy 12kVMI60130         
130
   
Epoxy 12kVMI75130         
130
   
Epoxy 12kVMI90130         
130
   
Epoxy 16kVMI90150          
150
  
Epoxy 22kVMI70210           
210
 
Epoxy 35kVMI80300            
300
Epoxy 35kVMI95300            
300
If customers ask for other hex, thred or length, and the quantity is profitable, we can produce.



This information is applicable to following articles:
High Voltage Insulator MI, Polystyrol HEX knob IS and Polystyrol HEX knob ISS, ISK, ISD
Torque chart
recommended values - indicative only
Bolt size Grade 4,8
M Torque Nm
M4 1,5
M5 3,0
M6 5,1
M8 12
M10 25
M12 43
M14 68
M16 105
M18 145
M20 205
M22 275
M24 350

Recommended max. tightening torque in Nm for untreated oil-smeared screws.
Friction coefficient µ=0.125, torque corresponds to approx. 62% of tensile bolt stress.
Friction coefficient µ=0.14, torque corresponds to approx. 90% of tensile bolt stress.

Every bolted joint is unique and the optimum tightening torque should be determined for each application by careful examination. A properly tightened bolt is one that is stretched such that it acts like a very ridged spring pulling mating surfaces together. The rotation of a bolt (torque) at some point causes it to stretch (tension).

Several factors affect how much tension occurs when a given amount of tightening torque is applied.

  • The first factor is the bolt's diameter.
  • The second factor is the bolts grade. It takes more force to stretch an SAE grade 8 bolt (or a 12.9 quality bolt) than it does to stretch an SAE grade 5 bolt (or a 8.8 quality bolt) because of the greater material strength.
  • The third factor indicates that harder, smoother and/or slicker bolting surfaces, such as threads and bearing surfaces, require less rotational force (torque) to stretch (tension) a bolt than do softer, rougher and stickier surfaces.