Snap-action switch S850 Snap-action switch S870
Snap-action switch S850 Snap-action switchesRequest
Snap-action switch S870 Snap-action switchesRequest
Electrical Data
Contact configuration Double NC contact switch with 4 terminals, positive opening operation, wiping action, and 2 galvanically isolated contact bridges SPDT (Form C) snap-action switch with 3 terminals, positive opening operation, and wiping action
Conv. thermal current Ith EN60947 10 A at T = 85°C 10 A at T = 85°C
Conv. thermal current Ith UL508 5 A at T = 85°C 10 A at T = 85°C
Rated insulation voltage Ui EN60947 400 V 250 V
Rated insulation voltage Ui UL508 300 V 300 V
Pollution degree IEC 60947 PD 3 PD 3
Pollution degree UL508 PD 3 PD 3
Rated impulse withstand voltage Uimp 4 kV 4 kV
Utilization category IEC 60947 AC-15, 230 VAC/1.5 A / DC-13, 24 VDC/1.5 A AC-15, 230 VAC/1.5 A / DC-13, 60 VDC/0.5 A
Utilization category UL508 240 V AC General Purpose / 4 A 240 V AC/1.5 A / DC 60 VDC/0.5 A (General Purpose)
IP rating: contacts/terminals IP40/IP20 IP40/IP00, IP40/IP20, IP60/00, IP67/00
Contact material Silver or gold-plated silver Silver or gold
Short-circuit protection 10 A gG 10 A gG
Actuators, operating positions
Actuator Phush button, roller lever Push button, roller lever, plain lever, simulated roller lever
Free position 8.85 ±0.15 (push button) 16.0 ±0.1 (push button)
Operating position 6.60 ±0.25 (push button) 14.8 ±0.2 (push button)
Release position 7.80 ±0.25 (push button) 15.1 ±0.2 (push button)
Total positive opening travel 5.80 (push button) 13.3 (push button)
Total travel position < 5.65 (push button) < 13.0 (push button)
Movement differential (between operating and release position) 1.20 (typical, push button) 0.3 (typical, push button)
Mechanical data
Front mount yes, front mounting by nut retainers M3 ---
Ganging (side mount) yes, side mount yes, side mount
Vibration resistance 15 g (10 … 500 Hz all directions (without aux. actuator at 0.1 ms max. opening time) 50 g (10 … 500 Hz all directions, without aux. actuator at 0.1 ms max. opening time
Shock resistance 30 g, half sinus (without aux. actuator at 0.1 ms max. opening time) 70 g, half sinus (without aux. actuator at 0.1 ms max. opening time)
Housing material PC, green, transparent PC, green transparent / PC, black
Mechanical endurance 1.5 million cycles min. 10 million cycles min.
Temperature range -55°C ... +85°C -40 °C ... +85 °C
Note Data valid for new switches with silver contacts Data valid for switches with silver contacts. Data valid for new switches under laboratory conditions and at room temperature, unless otherwise mentioned.
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