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forcibly guided contacts

force guided contactors

A safety relay contains force guided contacts; they are also known as captive, locked or positive guided contacts. Force guidance in a relay means that the contacts in a contact set must be mechanically linked together so that it is impossible for the NO (normally open) and NC (normally closed) contacts to be closed at the
Compact, Slim Relays Conforming to EN Standards. Relays with forcibly guided contacts (EN 50205 Class A, certified by VDE). The Relay’s terminal arrangement simplifies PWB pattern design.
Safety Circuits, Force Guided vs. General Purpose Relays. How do you design a safety circuit? How safe do you have to be? What is safe? These are all questions that I found myself asking at the beginning of my last project. I've been away from control system design for a few years now, designing software in the interim,.
Phoenix Contact offers force-guided coupling relays for universal use.
The big Difference. Relays with mechanically force guided contacts, colloquially anderroneously referred to as a safety relays, are a variant within the electromechanical elementary relays. A safety relay, however, is a functional switchgear. The most obvious difference to standard relays is the so called forced guidance of
interlocking circuit. • Four-pole and six-pole Relays are available. • The relay's terminal arrangement simplifi es PWB pattern design. • Reinforced insulation between inputs and outputs. Reinforced insulation between some poles of different polarity. force-guided relays. g7SA. G7SA. Specifications rated Voltage rated current.
Results 1 - 20 of 29 Elesta relays with forcibly guided contacts are normative elementary IEC 61810-1 relays used in safety applications. These electromechanical relays have special Force Guided contacts in accordance with EN 50205 (soon to be IEC 61810-3), in which all contacts are mechanically linked preventing the
Contacts of a force guided relay are forced to open and close by a guide connected to the armature. Due to requirements of standard EN50205, a force guided relay has independent NO and NC contacts. If a NO con- tact welds, a NC contact will not close even when the relay coil is turned off (de-energized) and must
Issue: What does force guided contacts mean for Contactors and Relays ? Product Line: Relays Environment: Features Cause: Definition needed. Resolution: Linked contacts are contacts which are mechanically linked in such a way as to ensure that the normally closed and normally open contacts can never be closed at

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March 2018