Manual reset immersion heater limiter IP66, IK10

-Equipment requesting a very strong resistance to water ingress. The transparent cover allows to visualize the set point and the 2 pilot lights

Fully wired sub assembly for use as high limit on immersion heater elements, 1”1/2 or M45x2 with double thread or rotation ring. Applications in usual industrial applications and environments, non-hazardous areas.

Housing raw material

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Color

Ingress protection

Mechanical protection

Contact Material

Electrical rating

Voltage

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Electrical life (cycles at rated value)

Measurement type

Sensing element

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Description

Enclosure Type Operation Contact Measurement Ranges °C Models
IP66, IK10 Manual reset Mechanical SPNC Immersion heater YF8LNC
 

Material
 

PA66 & PC

Applications

-Equipment requesting a very strong resistance to water ingress. The transparent cover allows to visualize the set point and the 2 pilot lights

Fully wired sub assembly for use as high limit on immersion heater elements, 1”1/2 or M45x2 with double thread or rotation ring. Applications in usual industrial applications and environments, non-hazardous areas.

Housing: Protection class IP 66 upon EN 60529 (waterproof spray water under high pressure and sea splashes, totally dust tight). Body in black PA66, fiber glass reinforced. The transparent polycarbonate cover can be unscrewed by hand, but it is also possible to use a hook spanner. A removable adapter is screwed at the bottom of the enclosure. It fits the usual immersion heater fittings.

Mechanical impact resistance : IK10. High UV resistance..

Set point adjustment: Factory set. Not adjustable by user Action: Manual reset limiter, fail safe

Sensing element: Liquid expansion bulb and capillary. The bulb and the capillary go out by the bottom of the enclosure to fit in the heater pocket.

Pilot lights: One pilot light visualizes the thermostat contact output position. The other visualizes the power supply input. Phase and neutral electrical line supply are mandatory for these pilot lights.

Set point adjustment values: 80±8°C (176±15°F), 90±8°C (194±15°F), 110±8°C (230±15°F). Other values can be set between 30°C and 110°C (85°F and 230°F)

Cable input and output: Two M20 cable glands, built-in black PA66.One of them is closed.

Electrical connections: Inside, on screw terminal connection block. It is possible to connect 2 wires 1.5mm² on each terminal.

Earthing: Internal screw terminal and wire with round hole terminal for the immersion heater.

Mounting: By the immersion heater thread or by 2 legs with holes for screws dia. 4 to 5 mm, 114 mm distance.

Identification: Identification label on backside. Set point calibration is printed in °C and °F beside the manual reset button.

Contact: Single pole, open on rise (SPNC)

Electrical rating: 16A res. 250/400VAC

-Electrical life >6.000 cycles.

Minimum storage temperature: -35°C (-30°F)

Maximum ambient temperature: 60°C (140°F)

For more technical information see 8L limiter technical data sheet

Main references

Downloadable

Datasheets

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Technical informations associated to this product

  • Main properties of plastic raw materials used for enclosures

    The classic housings, with only 5 sides and a lid, require a long and costly layout, most of the time ignoring the application needs: security, fire resistance, water penetration, shocks, UV, temperature, etc.

  • Electrical protection classes

    The housings are designed to protect electrical equipment located inside. This protection must be considered in the electrical and environmental angles.)

  • Thermostats installation

    The proper functioning of a thermostat depends primarily on the correct choice of the component, but also the conditions of its installation. Conditions used to calibrate regulating and control equipment in the factory are always ideal laboratory conditions, ensuring measurement accuracy and repeatability. These conditions are rarely those found in practice when installing thermostats. However, with a minimum of constraints, it is possible to optimize assemblies.

  • Guide for immersion heater selection

    Figures provided in this section are results of tests made in our laboratory. Charts were smoothened by computer, and are given for specified power and for information only.