R. Stahl 8070/1-1-HR311 Position Switch

Brand: R. STAHL  
Model: 8070/1-1-HR311  
Type: Position Switch (Limit Switch with Roller Lever)  
Part Number: 8070/1-1-HR311  

Technical Specs:  
- Switch Type: Electromechanical position switch with roller lever actuator  
- Contact Configuration: 1 NO + 1 NC 
- Contact Element: Snap-action contact element (08667E00) with positive opening  
- Rated Operational Voltage (Ue):  
  - AC: 500 V (same potential), 400 V (different potentials)  
  - DC: Not specified (typically 250 V for similar models; confirm with datasheet)  
- Rated Operational Current (Ie):  
  - 10 A at 50°C (Ta), 6 A at 70°C (Ta)  
- Rated Insulation Voltage (Ui): 500 V  
- Rated Impulse Withstand Voltage (Uimp): 6 kV  
- Contact Opening Width: 1.5 mm (separation distance: 3 mm)  
- Operating Force: 13 N (roller lever, deflection of roller in plunger direction)  
- Positive Opening Travel: 4.5 mm  
- Actuator: Roller lever (HR311, stainless steel arm)  
- Enclosure Type: Increased safety (Ex e) with flameproof (Ex d) contact element  
- Protection Rating: IP65 
- Operating Temperature Range: -20°C to +70°C
- Ambient Temperature (Ta): 50°C or 70°C  10A/6A
- Housing Material: Reinforced polyester
- Additional Features:  
  - Certified for hazardous areas: ATEX (PTB 01 ATEX 1053), IECEx (IECEx PTB 06.0092)  
  - Ex marking: II 2 G Ex d e IIC T6, II 2 D Ex td A21 IP65 T80°C  
  - Complies with EN 60947-5-1 and EN 50041 standards  
  - Positive-opening contacts for safety circuits  
  - Interchangeable Ex d contact element for maintenance  
- Certifications: ATEX, IECEx, UL (Class I, Div. 2, Groups A, B, C, D; Class II, Div. 1 & 2, Groups E, F, G; Class III; Zone 1, Ex ed IIC T6)  

Dimensions: 160 x 70 x 60 mm

Weight: 300 g

Country of Origin: Germany  

HS Code: 8536.50