
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
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