Additional thermostat shaft rotary switch, 20A 250-400V

These on-off switches are designed to be added on thermostat shafts. They provide off position when the thermostat shaft is at the minimum position. They are available in single pole contact, two poles (one level) and three poles or four poles contact (two levels).

Electrical rating

Voltage

,

Housing raw material

Max operating temperature (°C)

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Description

Applications

These on-off switches are designed to be added on thermostat shafts. They provide off position when the thermostat shaft is at the minimum position. They are available in single pole contact, two pole (one level) and three pole or four pole contact (two levels).

Main features

Installation: on thermostats with 6mm shaft and 4.6mm flat, mounting by two M4 screws 28mm distance. Shaft length of thermostat that receives this switch must be 12mm maximum.

Shaft lengths available: 11.5;15; 23mm

Shafts: Galvanized steel

Operation diagram: the contacts are open between 0° and 30 + / -5° angular and closed between this value and 310°.

Electrical rating: 20A 250/ 400V res. , 6000 cycles

Rotation: can be used on thermostats with 180 to 310° angular shaft rotation

Contact clearance: between 0 and 20 ° angle, the contact spacing is greater than 3mm.

Temperature: 85°C

Case Material: PA66, UL94 VO

Connection: 6.35×0.8 tabs. Screw terminals available (MOQ)

Options: change of flat position, different contact opening or closing positions

 

Main references with shaft length L=11.5mm

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Technical informations associated to this product

  • Description of temperature controls

    Used as control thermostats or as a safety thermostat with manual reset, these thermostats have a disc made of two different metals laminated together for temperature sensing element. These two metals have different expansion coefficients.
  • Electrical contacts

    As numerous mechanisms exist, we decided not to distinguish on the basis of constructive technique, but according to their operation speed, which is the key element.
  • Electrical protection classes

    The housings are designed to protect electrical equipment located inside. This protection must be considered in the electrical and environmental angles.)
  • Important extracts of standards related to control or safety circuits

    §3.8.1 All-pole cut out: Cutting in two conductors in a single operation, or for three phase units, the cut of the three conductors in a single step … Note: for three-phase, the neutral lead is not considered as a power conductor.