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TECHNICAL SPECIFICATIONS

Declarations to EN60730-2-22

Purpose of the Control

Thermal Motorprotector

PTI of Insulation Materials

PTI 250

Method of Mounting

Off-winding, fixed position, no mounting limitation

Type of Action

Type 3C

Reset Characteristic

Automatic

Voltage

Maintained by PTC Heater. Device resets by interrupting power supply.

Control Pollution Degree

Degree 1

Declarations

Curves

The curves of First Cycle Tripping time and Ultimate trip current are meant to be for selecting samples to perform verification tests only. In the figures two

curves of a wide range of possibilities are shown. The level and slope can be varied by making an other selection for the pre-set temperature, bimetal disc

and/or heater.