Snap-action switches, S847
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Connect - Contact - Control Snap-action switches Series S847 Changeover switches featuring wiping, galvanically isolated, double-break contacts and positive opening operation Catalogue D47.en more information here: schaltbau-gmbh.com

Snap-action switches, S847 Series Dual changeover switches featuring wiping, galvanically isolated, double-break contacts and positive opening operation S847 series snap-action switches are VDE approved and come with positive opening operation which guarantees that these switches will function even if the contacts have become welded due to a short-circuit. They have two galvanically isolated, mechanically linked contact bridges which prevent a circuit closing failure. Protected against dust, moisture and pollutants (IP40, IP60 and IP67 rated versions available) and with wiping,...

  Special designs, optional Spring, return spring and B plunger spring, reinforced Magnetic blowout L Snap-action switch Contact configuration  W Form Z-SPDT-DB IP rating  Contacts IP40 IP60 IP67 IP67 Actuator Push button Roller lever This catalogue shows only stock items. For some variants minimum quantities apply. Please ask for the conditions. Contact material  2 Silver 8 Silver, gold-plated Special variant: If you need a special variant of the switch, please do not hesitate to contact us. Maybe the type of switch you are looking for is among our many special designs. If not, we can also...

Pollution degree Rated insulation voltage Ui Conv. thermal current Ith 1x Form Z-SPDT-DB 4 terminals, galvanically isolated contact bridges, positive opening operation and wiping action Contact configuration Rated impulse withstand voltage Uimp Overvoltage category Utilization category for silver contacts *1 Contact resistance, typ. no leads connected Positive opening force *2 Actuator travel for positive opening operations Maximum actuator travel *2 Actuation speed Vibration resistance 10 … 500 Hz all directions at 10 µs opening time max.   Push button   Roller lever Shock resistance at...

Dimension and circuit diagrams ●● Dimensions 4KV/3 S847 W1A2a / S847 W2A2a / S847 W5A2a >PC< Form Z-SPDT-DB: 4 terminals, galvanically isolated contact bridges, positive opening operation and wiping action Ganging, torque 1.0 Nm max. 2 Front mount, torque 0.7 Nm max. 3 Screwable thread length of fastening screw Magnetic blowout (optional) for increased DC breaking capability 5 Free position Actuator styles and positions ●● S847 W c   Push button (standard) Actuator position (between operating and release position) Free position Operating position Release position Total positive opening...

1. Push button (standard) no mounting brackets  a 1. Push button (standard) no mounting brackets  a 2. Push button with mounting brackets  c 28±0.15 3.7 ... 5 Screwable thread length of fastening screw Ganging (side mount) ●● Through the two transversal holes in the body of the switch by means of a collar screw or threaded bolt . Tightening torque 1.0 Nm max. ●● Alternatively, DUO-Clips or retaining rings can be used. Front mount ●● Without mounting brackets (standard): Fastening by way of the retainer nuts (M3) which are fixed in the housing of the switch. Tightening torque 0.7 Nm max. ●●...

Mounting Use of roller levers Snap-action switches are designed for actuation with and without a roller lever. A roller lever is required if the direction of actuation deviates more than ±15° from the plunger axis. ●● Switch with roller lever actuated by linear cam Total travel pos. + 0.2 ... 0.3 ●● Switch with roller lever actuated by cam disc Mounting and safety instructions, environmental conditions Mounting instructions: ●● Snap-action switches should be mounted by qualified professional staff only. ●● Observe the required clearance and creepage distances. This is also applicable for...

Schaltbau GmbH with compliments: For detailed information on our products and services visit our website – or give us a call! Schaltbau GmbH Hollerithstrasse 5 81829 Munich Germany Schaltbau GmbH manufactures in compliance with RoHS. The production facilities of Schaltbau GmbH have been IRIS certified since 2008. Certified to DIN EN ISO 14001 since 2002. For the most recent certificate visit our website. Certified to DIN EN ISO 9001 since 1994. For the most recent certificate visit our website. Electrical Components and Systems for Railway Engineering and Industrial Applications Connectors...