| Designation | SPK2000/ A004  | 
  SPK2000/ A005  | 
  SPK2000/ A006  | 
  SPK2000/ A012  | 
  SPK2000/ A101  | 
  SPK2000/ A102  | 
  SPK2000/ A103  | 
 
|---|---|---|---|---|---|---|---|
| Type | |||||||
| Reed contact | ■ | ■ | ■ | ■ | ■ | ■ | |
| Proximity contact  acc. to NAMUR  | 
  ■ | ||||||
| Contact position | |||||||
| MIN level | ■ | ■ | ■ | ■ | ■ | ■ | ■ | 
| Normal level | ■ | ■ | |||||
| MAX level | ■ | ■ | ■ | ■ | ■ | ||
| Contact function | |||||||
| Contact breaker | ■ | ■ | ■ | ||||
| Flipflop  (reversible function)  | 
  ■ | ■ | ■ | ||||
| Explosion protection | |||||||
| Category | II 2 G D | II 2 G D | II 2 G D | II 2 G | - | - | - | 
| Type of protection | ia/m | ia/m | ia/m | ia | - | - | - | 
| Temperature class | T5/T105 °C | T5/T105 °C | T5/T105 °C | T1-T6 | - | - | - | 
| Contact load*) | |||||||
| Max. 1 A / 20 W / 150 V | ■ | ■ | ■ | ||||
| Max. 0.5 A / 12 W / 70 V | ■ | ■ | ■ | ||||