Comparison : Item # AX5111, 1 Maximum Blocks Normally Open (NO) + Normally Closed (NC) Instantaneous Auxiliary Contact
Item # AX5120, 1 Maximum Blocks Normally Open (NO) + Normally Open (NO) Instantaneous Auxiliary Contact
Item # AX5211, 2 Maximum Blocks Normally Open (NO) + Normally Closed (NC) Instantaneous Auxiliary Contact
Item # AX5220, 2 Maximum Blocks Normally Open (NO) + Normally Open (NO) Instantaneous Auxiliary Contact
Item # AX5202, 2 Maximum Blocks Normally Closed (NC) + Normally Closed (NC) Instantaneous Auxiliary Contact