Bimetallic switches
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Bimetallic switches - 1

Bimetallic Switches

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Gesellschaft fur Elektro-Physikalische MeGgerate mbH 1. Bimetallic switches General Bimetallic temperature controllers are used in the electrical industry for automatic temperature control. They limit the temperature of the units or their parts: if overheating occurs they close or open the (load) circuit, i.e. to connect a ventilator or trigger an alarm. Usually heat is exchanged from all sides by convection, radiation or conduction in gaseous or solid media. After a substantial temperature drop the bimetallic switches return to their starting position. The EPHY-MESS bimetallic switches...

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EPHY MESSGesellschaft fur Elektro-Physikalische MeGgerate mbH 1.1 Built-in switches of the C0x and S0x type series Built-in switches of the COx and SOx type series are available with two different maximum breaking capacities (5 A / 25 A), either as break or make contact, as single, double or triple sensor. The wire of the switches consists of a radiation cross-linked synthetic material with a 5 mm insulation bared at the ends. Depending on the maximum switching current they can be delivered in 0.25 mm2 or 0.75 mm2. 1.1.1 COx bimetallic switches Built-in switch type C, non-insulated metal...

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EPHY MESS Gesellschaft fur Elektro-Physikalische MeGgerate mbH 1.1.2 S0x bimetallic switches ® Built-in switch, type S, with insulation (Mylar cap), suitable for installation in windings of engines, transformers and coils, maximum high voltage resistance: 2 kV / AC 50 Hz / 1 min., protection type I VDE, non-sensitive to current, available as break and make contact. EPHY-MESS Bimetallic Switches

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1.1.3 Order names of the type series C0x and S0x nominal switching temp. 1)indicated only for switches with triple wiring 2)indicated only for switches with twin and triple wiring standard lengths - single switch: - twin switch: - triple switch: Example for orders of built-in switches S01.155.05.300/300 single switch, type S (insulated), break contact, IN =2.5A, NST=155°C, tolerance ±5 K, length of wire 300 mm each twin switch, type C (not insulated), make contact, IN =10A, NST=80°C, tolerance ±5K, length of wire 300 mm, length of interior connection: 100 mm Wiring examples for built-in...

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EPHY MESS Gesellschaft fur Elektro-Physikalische MeGgerate mbH 1.2 Switches of the L0x Type The switches of the L0x type are temperature controllers seated in aluminum casing with epoxy casting on the connection side. Suitable for fastening to cooling elements, transformer plates and so on. Maximum high voltage resistance: 2 kV / AC 50 Hz / 1 min., protection category I VDE, non sensitive to current. Available as make and break contact. 1.2.1 Order names of the type series L0x type EPHY-MESS Bimetallic Switches

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EPHY MESS Gesellschaft fur Elektro-Physikalische MeGgerate mbH 1.3 Bimetallic thermostats type TBIS These thermostats are suitable for general use in a temperature range between -20°C ... 220°C. The switches are not current sensitive. They can be built or mounted on hot spots to control the temperature. Switch and backswitch tolerances are depending on the nominal switch temperature. These thermostats are build to order, therefore the order quantity must be at least 250 pieces. Technical data are shown in the table below. Special versions are available on request.

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