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Micro momentary limit switch Winfred, 125 V–250 V 5A PCB View larger

Limit switch (Endstop)

LIMIT-SWITCH-ENDSTOP

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1,60 €
1,60 €

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Micro momentary 125-250 V limit switch.

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Micro limit switches are small electromechanical devices whose task is to open and close a circuit or to supply and disable a device. Limit switches are commonly used in small home appliances, emergency stop buttons, gas water heaters, gas burners, arduino, electronic products, power tools, the automobile industry, communications equipment, test instruments, medical equipment, military products, and so on. In 3D printers, limit switches play the role of sensors that let the 3D printer detect the physical limits of the printer's movement, i.e. find the ends of the linear guides.

The Winfred micro limit switch

Image 1: The Winfred micro limit switch. Source: Filament2Print.

The SPDT (single pole, double throw) terminal has 3 pins (5 mm long) for one input and two outputs. The switch operates on the momentary 1NO + 1NC principle, which stands for "normally closed contact" and "normally open contact". The movement of the hinge roller actuator applies force to an over-center mechanism which creates a quick change in contact state (ON/OFF) when the trip point is reached.

The Winfred micro limit switch

Image 2: The Winfred micro limit switch. Source: Filament2Print.

This micro limit switch is made of copper and measures 20 mm in length, 7 mm in width and 10 mm in height, with the lever arm of the hinge roller actuator 18.5 mm long and 4 mm wide. The rated current of this switch is 5 A and the voltage is 125-250 V.

Type Micro momentary limit switch
Brand Winfred
Material Copper
Mode of operation ON/OFF
Rated current 5 A
Voltage 125-250 V
Poles SPDT
Terminal type 3-pole terminal
Type of contact 1NO + 1NC
Dimensions 20 x 6 x 10 mm
Hinge roller lever length 18.5 x 4 mm
Weight 3 g
HS Code 8477.9

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