High Temperature Limit Switch with Roller Plunger

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$148.15

There are two types of roller plunger limit switch, the roller direction of the one is parallel to the mounting surface, and the other is perpendicular to the mounting surface. Roller plunger has automatic reset function. It is also high temperature limit switch with the fully enclosed 1NO + 1NC contact switches casting from high temperature resistant material. It can be used in the environment temperature 350℃ (622℉) and without being damaged by oxidation or pollution. The default rated current and voltage is 5A/220VAC. Other values are customizable, such as 3A/480VAC, 0.8A/120VDC, etc.

SKU: ATO-HTLS-RP

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Delivery date: 10-20 days

Overview

High temperature limit switch has two types of roller plunger, with contact type 1NO + 1NC and rated current/voltage 5A/220VAC.

Specification:

Model	ATO-HTLS-XW3K	ATO-HTLS-XW4K
Weight	258g
Roller direction *	Parallel to the mounting surface		Perpendicular to the mounting surface
Rated voltage	220VAC (Customizable rated voltage is shown in the reference table below.)
Rated current	5A (Customizable rated current is shown in the reference table below.)
Contact type	1NO+1NC (NC pin: 1 & 2, NO pin: 3 & 4)
Operating speed	1mm/s~2m/s
Operating frequency	Machinery: 120 times/minute Electric: 30 times/minute
Contact resistance	＜15MΩ, initial stage
Insulation resistance	＞100MΩ (＜500VDC)
Withstand voltage	Between no-connection terminals: 1000VAC, 50/60Hz lasts 1 minute Between the terminal and the contact: 2000VAC, 50/60Hz lasts 1 minute Between terminal and no-load current metal: 2200VAC, 50/60Hz lasts 1 minute
Vibration	Misoperation endurance: 10~55Hz, 1.5mm, double-amplitude
Impact	Mechanical endurance: ＞1000m/s² (＞100G) Misoperation endurance: ＞300m/s² (＞30G)
Shell material	Cast aluminum alloy
Temperature	-10~+350℃ (14~622℉)
Humidity	＜95%RH
Working life	Machinery: ＞15million times Electric: ＞0.5million times
Protection class	IP66

Reference table for customizable rated voltage and rated current:

Rated voltage	Rated current (A)
	Non-inductive load				Inductive load
	Resistive load		Lamp load		Inductive load		Motor load
	NC	NO	NC	NO	NC	NO	NC	NO
125VAC	10		3	1.5	10		5	2
250VAC	5		2	1	5		3	1.0
480VAC	3		1.5	0.8	3		1.5	0.8
600VAC	1		1	0.5	1.5		1	0.5
8VDC	10		6	3	10		6
14VDC	10		6	3	10		6
30VDC	6		4	3	6		4
125VDC	0.8		0.2	0.2	0.8		0.2
250VDC	0.4		0.1	0.1	0.4		0.1

Note:

Power factor of inductive load is above 0.4 (AC). The time constant is below 7ms (DC).
The inrush current of lamp load is 10 times that of steady state current, and the inrush current of motor load is 6 times that of steady state current.

Dimension (unit: mm):
High temperature limit switch with roller plunger dimension
Note: In the diagram, OP means operation position, at which the external force is applied to the drive lever to make the movable contact just operating from the state of the free position. PT means pretravel, the distance the drive rod moves from the free position to the operation position.
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