Switch Variations
	KE - Limit switch with mechanical contact	KI - Inductive proximity switch	KN - Inductive proximity switch NAMUR
Switching function	1 NC + 1 NO	PNP, Normally Open (NO)	Normally Closed (NC)
Supply voltage		10 ... 30 V DC	8 V DC
Capacity of the contact	1,5 A / 250 V AC	200 mA, constant current
Type of protection	IP67 acc. to DIN EN 60529 IP67	IP68	IP68
Type of protection	II 3D  T80 °C  IP67 II 3GD  EEx  nL T6            T70 °C  IP67	II 3D  IP68  T95 °C	II 2G  EEx  ia  IIC  T6           and II1D  Ex  iaD  20 T...°C
Cable length	2 m, 5 m und 10 m	2 m, 5 m und 10 m	2 m, 5 m und 10 m

B0 = Ex type of protection of the switches KE-XCM-A110-*B0 II 3D  T 80 °C  IP67
EC-Declaration of conformity II 3D >> Download >> KE-903

B0 = Ex type of protection of the switches KI-XCK-BI3U-7-*B0 and 
                                                                           KI-BI3U-M12AP-*B0 II 3D  IP68  T 95 °C 
EC-Declaration of conformity II 3D >> Download >> 3120M

B0 = Ex type of protection of all the other switches KI-...B0 II 3D  T 90 °C  IP68
EC-Declaration of conformity II 3D >> Download >> KE-914X

 
B8 = Ex type of protection of the switches KE II 3GD  EEx  nL T6  T 70 °C  IP67
EC-Declaration of conformity II 3D >> Download >> KE-916X

Ex type of protection of the switches KN II 2G  EEx  ia  IIC  T6    and
                                                                        II 1D  Ex  iaD  20  T ... °C
EC-type-examination Certificate II 2G >> Download >> PTB00ATEX2048
EC-type-examination Certificate II 1D >>Download>> ZELM03ATEX0128X