Siemens 3SE5 122-0QV10 Interlock Switch, 56mm Metal Enclosure, 5 Directions Of A

Description

Siemens 3SE5 122-0QV10 Interlock Switch, 56mm Metal Enclosure, 5 Directions Of A
Description
Metal enclosure provides IP66/IP67 protection against dust and liquids
1 NO + 2 NC slow-action “break-before-make” contacts for NC contact opening before NO contact closure
M20 x 1.5 mm electrical cable entry
5 directions of approach for actuator for mounting flexibility
Meets IEC 60 947-5-1 standard for positive opening of NC contacts
This Siemens 3SE5 122-0QV10 mechanical limit switch comes as a complete unit with a 56 mm wide metal enclosure, one NO and two NC slow action contact, and is suitable for use in plant and building automation systems. The slow action "break-before-make” operation ensures the normally-closed (NC) contact opens before the normally-open (NO) contact closes, with the actuator forcibly opening the NC contacts for use in safety circuits. There are 5 directions of approach for the actuator for mounting flexibility. The M20 x 1.5 mm electrical cable entry allows for threaded conduit connection. This mechanical limit switch conforms to the European Committee for Electrotechnical Standardization (CENELEC) EN 50047 standard for dimensions and mechanical data and the EN 50041 standard for quality assurance, and is suitable for use in interlock circuit applications.
Specifications
Positive opening of NC contacts
IEC 60 947-5-1
Quality assurance
EN 50041
Dimensions and mechanical data
EN 50047
Degree of protection
IP66/IP67
Mechanical limit switches are used to make or break electrical circuit connections as part of a facility automation system. The switch is composed of a contact block with one or more electrical contacts, wiring connections, an enclosure for protection, and an actuator head for tracking object movement. Switch contacts can be normally open or normally closed, and switch connections can be either quick or slow, depending on the switch design, and they can include status LEDs and connector sockets. Actuator head types include rounded and roller plungers, roller and angular roller levers, spring rods, twist levers and rod actuators with a twist actuator, and fork levers with a twist actuator. Mechanical limit switches are used in many applications such as elevators, conveyors, doors, water tanks, railroad crossings, emergency exits, and as emergency shutoffs in industrial workplaces.
Siemens manufactures electronic products for building automation, industrial drives, lighting, energy generation, medical equipment, and rail transportation. The company, founded in 1847 and headquartered in Germany, meets International Standards Organization (ISO) standards 14001, 9001 and TS 16949.
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