• 

  Keller PR-21Y 0.6 BAR

• 

  Onpow LAS1-AGQ-11Y/21/A

• 

  Keller PA-21SR - obsolete , replaced by PA-21Y

• 

  DEUTSCH (TE Connectivity) DTS21Y09-98PN

• 

  омрон G2R-1 21 Y6 W1

• 

  Baumer Thalheim ITD21A4Y29

• 

  Baumer Thalheim ITD21A4Y58 2048T

• 

  Schmersal M. 471-21/21Y

• 

  Schmersal M. 471-21Y

• 

  Schmersal MS 064-21Y