The connection terminals of the small-format Type 633 DC match standard configuration patterns. The small dimensions and low power consumption make this the ideal time counter for installation on PCBs. Types 0 can be machine-soldered and can, if necessary, be washed with no problems. The construction is particularly impact-resistant.
| Product Family | 633 DC | 
| Function | Time counter | 
| Technology | Electromechanical | 
| Digits | 7-digit | 
| Display | 7-digit | 
| Preset | none | 
| Digit Height [mm] | 4 mm (0.2 in), visual | 
| Voltage | 			
  | 		
| Reset | without reset | 
| Duty Cycle at 25 °C | 100 % | 
| Power Consumption | approx. 30 mW | 
| Residual Ripple [%] | < 1 % | 
| Supply Voltage | 			
  | 		
| Count Input | adding | 
| Electrical Connection | 			
  | 		
| Time Error | with disable per switching cycle 0.488 ms | 
| Counting Range | 0 99 999.99 h | 
| IP Protection Class | IP 66 | 
| Operating Temperature [°C] | - 10 ... + 60 °C (+ 14 ... 122 °F) | 
| Storage Temperature [°C] | - 40 ... + 70 °C (+ 14 ... 122 °F) | 
| Degree of Protection | 			
  | 		
| Humidity | 			
  | 		
| General Design | EN 61 010-1 / IEC 61010-1 | 
| Vibration Resistance | 30 m/s2 (99 ft/s2) (10  500 Hz) acc. IEC 068-2-6 | 
| Shock Resistance | 3500 m/s2 (11,482 ft/s2) acc. IEC 068-2-27 | 
| Protection Class | II, EN 61010-1 / IEC 61010-1 | 
| Contamination Level | 			
  | 		
| Size [mm] | 			
  | 		
| Mounting Options | Various variants | 
| Mounting | 			
  | 		
| Reset | without reset | 
| Weight [g] | approx. 10 g (3.2 oz) | 
| Mounting Position | horizontal rolling axis |