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Electrical Symbols — Switches and Relays

Electrical Symbols — Switches and Relays
In electrical engineering, a switch is an electrical component that can break an electrical circuit, interrupting the current or diverting it from one conductor to another. The mechanism of a switch may be operated directly by a human operator to control a circuit (for example, a light switch or a keyboard button), may be operated by a moving object such as a door-operated switch, or may be operated by some sensing element for pressure, temperature or flow. A relay is a switch that is operated by electricity. Switches are made to handle a wide range of voltages and currents; very large switches may be used to isolate high-voltage circuits in electrical substations.

26 libraries of the Electrical Engineering Solution of ConceptDraw PRO make your electrical diagramming simple, efficient, and effective. You can simply and quickly drop the ready-to-use objects from libraries into your document to create the electrical diagram.

UML Block Diagram

UML Block Diagram
Use Case Diagram Taxi Service UML. This sample was created in ConceptDraw PRO diagramming and vector drawing software using the UML Use Case Diagram library of the Rapid UML Solution from the Software Development area of ConceptDraw Solution Park.
This sample shows the work of the taxi service and is used by taxi stations, by airports, in the tourism field and delivery service.
The vector stencils library "Bearings" contains 59 symbols of ball bearings, roller bearings, shafts, springs, gears, hooks, spindles, and keys.
Use it to design engineering drawings of machine tools and mechanical devices in the ConceptDraw PRO diagramming and vector drawing software extended with the Mechanical Engineering solution from the Engineering area of ConceptDraw Solution Park.
www.conceptdraw.com/ solution-park/ engineering-mechanical
Through hole
Through hole, through hole,
Threaded hole 3
Threaded hole 3, threaded hole,
Threaded hole 4
Threaded hole 4, threaded hole,
Rolling bearings 2
Rolling bearings 2, rolling bearing,
Rolling bearings
Rolling bearings, rolling bearing,
Deep groove ball bearing, hatched
Deep groove ball bearing, hatched, deep groove, ball bearing,
Deep groove ball bearing, unhatched
Deep groove ball bearing, unhatched, deep groove, ball bearing,
Deep groove ball bearing, simpl.
Deep groove ball bearing, simpl., deep groove, ball bearing,
Angular contact ball bearing, simpl.
Angular contact ball bearing, simpl., angular contact, ball bearing,
Angular contact ball bearing, unhatched
Angular contact ball bearing, unhatched, angular contact, ball bearing,
Angular contact ball bearing, hatched
Angular contact ball bearing, hatched, angular contact, ball bearing,
Angular contact ball bearing dbl, unhatched
Angular contact ball bearing dbl, unhatched, double row, angular contact, ball bearing,
Angular contact ball bearing dbl, hatched
Angular contact ball bearing dbl, hatched, double row, angular contact, ball bearing,
Self align. dbl ball bearing, hatched
Self align. dbl ball bearing, hatched, double row, self aligning, ball bearing,
Self align. dbl bearing, simpl.
Self align. dbl bearing, simpl., double row, self aligning, ball bearing,
Self align. dbl ball bearing, unhatched
Self align. dbl ball bearing, unhatched, double row, self aligning, ball bearing,
Thrust ball bearing, hatched
Thrust ball bearing, hatched, thrust ball bearing,
Thrust ball bearing, unhatched
Thrust ball bearing, unhatched, thrust ball bearing,
Thrust ball bearing, simpl.
Thrust ball bearing, simpl., thrust ball bearing,
Thrust ball bearing, hatched 2
Thrust ball bearing, hatched 2, thrust ball bearing,
Thrust ball bearing, unhatched 2
Thrust ball bearing, unhatched 2, thrust ball bearing,
Cylindrical roller bearing, hatched
Cylindrical roller bearing, hatched, cylindrical roller bearing, roller bearing,
Cylindrical roller bearing, unhatched
Cylindrical roller bearing, unhatched, cylindrical roller bearing, roller bearing,
Cylindrical roller bearing, simpl.
Cylindrical roller bearing, simpl., cylindrical roller bearing, roller bearing,
Cylindrical roller bearing dbl, simpl.
Cylindrical roller bearing dbl, simpl., cylindrical roller bearing, double, roller bearing,
Cylindrical roller bearing dbl, unhatched
Cylindrical roller bearing dbl, unhatched, cylindrical roller bearing, double, roller bearing,
Cylindrical roller bearing dbl, hatched
Cylindrical roller bearing dbl, hatched, cylindrical roller bearing, double, roller bearing,
Taper roller bearing, hatched
Taper roller bearing, hatched, taper roller bearing, roller bearing,
Taper roller bearing, unhatched
Taper roller bearing, unhatched, taper roller bearing, roller bearing,
Taper roller bearing, simpl.
Taper roller bearing, simpl., taper roller bearing, roller bearing,
Needle roller bearing, hatched
Needle roller bearing, hatched, needle roller bearing, roller bearing,
Needle roller bearing, hatched 2
Needle roller bearing, hatched 2, needle roller bearing, roller bearing,
Needle roller bearing, unhatched
Needle roller bearing, unhatched, needle roller bearing, roller bearing,
Needle roller bearing, unhatched 2
Needle roller bearing, unhatched 2, needle roller bearing, roller bearing,
Needle roller bearing, simpl.
Needle roller bearing, simpl., needle roller bearing, roller bearing,
Spher. roller bearing dbl, hatched 2
Spher. roller bearing dbl, hatched 2, double row, spherical roller bearing, roller bearing,
Spher. roller bearing dbl, hatched
Spher. roller bearing dbl, hatched, double row, spherical roller bearing, roller bearing,
Spher. roller bearing dbl, unhatched
Spher. roller bearing dbl, unhatched, double row, spherical roller bearing, roller bearing,
Spher. roller bearing dbl, unhatched 2
Spher. roller bearing dbl, unhatched 2, double row, spherical roller bearing, roller bearing,
Spher. roller bearing dbl, simpl.
Spher. roller bearing dbl, simpl., double row, spherical roller bearing, roller bearing,
Gear
Gear, gear, spur-gear,
Gear (web)
Gear (web), gear, spur-gear,
Gear (keyway)
Gear (keyway), gear, spur-gear,
Gear (web, keyway)
Gear (web, keyway), gear, spur-gear,
Tapered shaft
Tapered shaft, tapered shaft,
Tapered key
Tapered key, tapered key, gib head,
Tapered key (gib head)
Tapered key (gib head), tapered key, gib head,
Tapered shaft
Tapered shaft, round key, round-end key,
Hole chamfer
Hole chamfer, hole chamfer, chamfer,
Shaft chamfer
Shaft chamfer, shaft chamfer, chamfer,
Undercut
Undercut, undercut, shaft, variable fillet radius,
Centering bore
Centering bore, centering bore, hole, shaft,
Cutaway
Cutaway, cutaway, revealing detail,
Spindle end
Spindle end, spindle end, shaft, hollow shaft,
Spindle end (bore)
Spindle end (bore), spindle end, shaft, hollow shaft,
Countersunk hole
Countersunk hole, countersunk hole,
Countersunk hole 2
Countersunk hole 2, countersunk hole,
Threaded hole
Threaded hole, threaded hole,
Threaded hole 2
Threaded hole 2, threaded hole,
Used Solutions