SCHALTBAU Connect Contact Control Snap-action switches S826, S926 Series Dual changeover switches with positive opening operation and wiping contacts Catalogue D26.en

Snap-action switches S826 Series Dual changeover switches with positive opening operation and wiping, double-break contacts Schaltbau S826/S926 series dual changeover switches feature positive opening operation which guarantees the forced disconnection of contacts even when they have become welded together due to a short-circuit. The contact bridges of the snap-action switches are galvanically isolated allowing two separate load circuits with independent voltage levels to be controlled simultaneously. Wiping, double-break contacts ensure high reliability even at low electrical loads. Versions...

Example:   S826 b10/20/40 L    Special design, optional Magnetic blowout L Series, contact configuration  S826 Dual changeover switch, wiping double-break contacts, positive opening operation, galvanically isolated contact bridges S926 Same as S826 with improved resistance to chemicals, impact and extremes of temperature Actuator styles  Actuator b c cs Push button Push button Push button Roller lever Roller lever Roller lever Roller lever Mounting no mounting plates mounting plates mounting plates, slotted no mounting plates mounting plates mounting plates, slotted mounting plates, one angled...

*1 Valid for flat tab terminal styles. Values for M3 screws terminal styles are: 250 V: PD3/400 V: PD2 *2 Data for gold contacts upon request *3 General Purpose *4 Measured next to push button Note: Data valid for new switches under laboratory conditions and at room temperature, unless otherwise mentioned. Specifications are subject to alteration without prior notice

Connect Contact Control Dimension diagram, circuit diagram Series S826/S926 j| Circuit diagram • Dimension diagram S826 b / S926 b SPDT-DB, Form Zb S826 b / S926 b Dual changeover switch, double-break contacts, positive opening operation, 2 galvanically isolated contact bridges and wiping contacts S826 [b] / S926 [b] Push button (standard) Actuator styles, actuator positions • S826 / S926, Push button (standard) [b]/[c] /[cs] Actuator position Note: To ensure proper operation of the positive opening function it is necessary to depress the plunger to the point of total positive opening travel. However,...

Mounting Front mount, Ganging Series S826/S926 ●● Push button and mounting brackets style c Front mount ●● No mounting brackets (standard):Fastening by way of the retainer nuts (M3) which are fixed in the housing of the switch. Tightening torque 0.9 Nm max. ●● With mounting brackets:Mounting brackets are available for all actuator options. Tightening torque 0.9 Nm max. ●● Push button (standard) no mounting brackets style b Front mount Ganging (side mount) ●● Push button and mounting brackets, slotted style cs * Max. screwable thread length of fastening screw 1 Ganging(side mount) ●● Through...

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 connected...

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