Fixed Anti-overwinding Switch

ZN101K

A fixed pull-rope type anti-overwinding switch designed for height limiting on cranes, rotary drilling rigs, truck-mounted cranes, and other equipment.

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Product overview

A fixed pull-rope type anti-overwinding switch designed for height limiting on cranes, rotary drilling rigs, truck-mounted cranes, and other equipment. It features a thickened all-aluminum housing with exposed steel parts made of 304 stainless steel for strong impact resistance, corrosion resistance, and reliable stability. Silicone rubber seals ensure a high protection level and excellent weather resistance.

Electrical parameters	Operating Voltage	9~32VDC
	Rated current	≤1A
	Contact resistance	≤0.1Ω
	Insulation Resistance	>100MΩ
	Switch Type	Normally Open/Normally Closed
Structural parameters	Trigger force	Customizable
	Overall Dimension	142x105x56（mm）
	Housing Material	Aluminium alloy
	Mounting method	Fixed
	Outlet Wire Method	Direct Outlet
	Outlet length	Customizable
	Connector Type	Bare wire/Deutsch/Amp optional
life span	Electrical life	More than 500,000 cycles
life span	Mechanical Life	More than 1.5 million times
Environmental parameters	Operating Temperature	-40℃ ~ 85℃
	Storage temperature	-40℃ ~ 85℃
	Protection Grade	IP67
	Anti-vibration Grade	GB/T 4798.5 5M3 grade