Snap-action switch S814 – Microswitch for a stack assembly
Changeover contact with a contact bridge, self-cleaning mechanism and pass-through actuating plunger
S814 b Snap-action switch with pass-through actuating plunger and connections on the side
The snap-action switch S814 is a diverse microswitch for medium and low power ranges. The feature is the plunger, which moves through the housing from the top downwards when actuated. This means two S814s can be mounted on top of each other in order to trigger two switching processes with one actuation. The S814 snap-action switch has self-cleaning contacts.
Features
Changeover contact with a contact bridge.
Microswitch with a contact bridge which is guided by a plunger. When this snap-action switch is actuated, the bottom contact pair is opened (connections 1 and 2) and the top one is closed (connections 3 and 4).
Self-cleaning contacts
In every switching process, the contact bridges rub in a defined fashion on the V-shaped fixed contacts and remove corrosion and combustion residue. Permanently low contact resistances ensure a high level of contact reliability throughout the service life.
Reliable switching of low currents
With self-cleaning silver contacts, small currents can be connected reliably and frequently. In chemically aggressive environments and with low switching frequencies, we recommend gold contacts.
Dimensions 36 x H x 22 mm (L x H x W)
This is the maximum dimensions of the housing. The dimensions of the actuator and of the connections must be added. For all dimensions and drawings please refer to the following product catalogue:
Specifications
Mechanical data
| Front mount | --- |
| Ganging (side mount) | yes, side mount |
| Vibration resistance | 20 g (10 … 500 Hz all directions, without aux. actuator at 0.1 ms max. opening time) |
| Shock resistance | 50 g, half sinus (without aux. actuator at 0.1 ms max. opening time) |
| Housing material | PC, green transparent |
| Mechanical endurance | 10 million cycles min. |
| Temperature range | -40 °C ... +85 °C |
Actuators, operating positions
| Actuator | Push button |
| Free position | 12.6 ±0.2 |
| Operating position | 11.6 ±0.2 |
| Release position | 12.1 ±0.2 |
| Total positive opening travel | --- |
| Total travel position | 10.6 min. |
| Movement differential (between operating and release position) | 0.5 (typical) |
| Utilization category IEC 60947 | AC-15, 230 VAC/1.0 A / DC-13, 60 VDC/0.5 A |
| Utilization category UL508 | 240 V AC/1.5 A / DC 120 VDC/1.0 A (General Purpose) |
| IP40/IP00 | |
| Contact material | Silver or gold |
| Short-circuit protection | 10 A gL |
Electrical Data
| Contact configuration | SPDT-DB (Form Za) snap-action switch with double-break contacts and 4 terminals |
| 10 A at T = 85°C | |
| 5 A at T = 85°C | |
| 250 V | |
| 300 V | |
| Pollution degree IEC 60947 | PD 3 |
| Pollution degree UL508 | PD 3 |
| 2.5 kV | |
| Note | Data valid for new switches with silver contacts |
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