DC-Contact - 2 Pages

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Catalogue excerpts

Industrial Controllers DC-Contact SO 1.10 Normally closed (NC) SS 1.10 Normally open (NO) The DC contact block is used for signalling and annunciation applications. The snap-action mechanism prevents slow contact opening when the plunger is operated slowly. Quenching of the arc that occurs with DC is supported by two-capacity permanent magnets. These are arranged so that the polarity can be ignored when connecting +/- cabling. However, the polarity of the quenching magnets must be noted when installing the contact blocks to prevent the magnets adversely affecting each other. Contact blocks in four different colours are available for polarity identification of the magnets when fitted. The contact blocks may only be installed on non-magnetisable materials with screw, etc. made of non-ferrous metal. The self-cleaning silver contacts are designed for low switching frequency, low currents and voltages. Gold coated contacts can be supplied (approx 0,2p), less than 42 Volt required. The screw connection M3.5 at the side is suitable for 2 conductors max. 2,5mm2. The plug-in connection at the top 4.8 x 0.8mm DIN 46247. Several contact blocks can be plugged on the top of each other and operated jointly. The plug-type terminals are then only accessible on the top unit. The contact blocks can be provided with shock protection to DIN VDE 0106 Part 100. Example Technical data Mechanical life Electrical service life Operation temperature Degree of protection 2 million operating cycles 50.000 operating cycles (at 2A 250V DC L/R 20ms) -40°C to +60°C IP40 SO 1.10    - B    - R    - F    - X Technical details may vary based on configuration or application! Technical data subject to change without notice!

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Industrial Controllers with roller lever with toggle lever Technical details may vary based on configuration or application! Technical data subject to change without notice!

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