ESL4M-WL
Esinctrl
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A limit switch is a kind of position sensor that converts mechanical displacement into electrical signals. It is widely used to control the travel limit and position confirmation of mechanical equipment, preventing the equipment from exceeding the safe operation range.
The ESL4M-WL series limit switches are independently developed by Esinctrl, with a one-piece aluminum alloy housing and IP66 high protection level. The product adopts a double-circuit configuration, which doubles the switching reliability and ensures accurate signal feedback even in high-cycle operation. It supports up to 120 mechanical operations per minute, meeting the needs of high-frequency automation tasks.
Model | Rated Voltage | Rated Current | Actuator Type | Protection Level | Mechanical Operation Frequency |
ESL4M-WL01 | 250VAC/220VDC | 6A/0.3A | Plunger | IP66 | 120 operations/min |
ESL4M-WL02 | 250VAC/220VDC | 6A/0.3A | Roller Plunger | IP66 | 120 operations/min |
ESL4M-WL41M | 250VAC/220VDC | 6A/0.3A | Roller Fork Lever | IP66 | 120 operations/min |




In CNC machining centers, lathes, and milling machines, ESL4M-WL limit switches are used for axial and tool magazine limit detection and origin position confirmation, ensuring the precision and safety of machining operations.
For conveyor lines, stackers, and lifting platforms, the switches provide travel limit protection to prevent equipment from overtraveling and causing safety accidents.
In construction vehicle doors, booms, and outriggers, ESL4M-WL limit switches monitor the limit positions in real time, ensuring the stable and safe operation of construction machinery in harsh construction environments.
In high-speed filling, sealing, and labeling equipment, the switches realize positioning control and door safety interlocking, improving the automation level and operation safety of the equipment.
IP66 High Protection Level: It is dust-tight and resistant to powerful water jets, suitable for dusty and splash-water industrial environments.
Various Actuator Shapes: Plunger, roller lever, adjustable rod lever and other types are available to match different mechanical interfaces.
High-Cycle Operation Capability: Supports 120 operations per minute, suitable for high-frequency automation tasks.
Corrosion & Impact Resistance: The one-piece aluminum alloy housing can resist harsh environmental erosion and mechanical impact.
Select the appropriate actuator type according to the mechanical movement mode. For linear movement, plunger or roller plunger can be selected; for swing movement, roller lever is more suitable.
Fix the switch with screws to ensure firm installation and no loosening during equipment operation. Distinguish between normally open (NO) and normally closed (NC) contacts during wiring, and confirm that the voltage and current match the equipment requirements.
It depends on the mechanical movement form of the equipment. Linear reciprocating motion is suitable for plunger type, while swing motion is suitable for roller lever type. You can consult our technical team for customized suggestions.
IP66 means that the switch is completely dust-proof and can withstand high-pressure water jet flushing from any direction, which is very suitable for use in harsh environments such as workshops and construction sites.
Are you in need of a high-reliability limit switch for your automated equipment or construction machinery? The ESL4M-WL series limit switches with IP66 protection and multiple actuators can perfectly meet your needs! Click "Inquire" to get professional technical support and quotation, or add the product to the basket to start your purchase process immediately.
A limit switch is a kind of position sensor that converts mechanical displacement into electrical signals. It is widely used to control the travel limit and position confirmation of mechanical equipment, preventing the equipment from exceeding the safe operation range.
The ESL4M-WL series limit switches are independently developed by Esinctrl, with a one-piece aluminum alloy housing and IP66 high protection level. The product adopts a double-circuit configuration, which doubles the switching reliability and ensures accurate signal feedback even in high-cycle operation. It supports up to 120 mechanical operations per minute, meeting the needs of high-frequency automation tasks.
Model | Rated Voltage | Rated Current | Actuator Type | Protection Level | Mechanical Operation Frequency |
ESL4M-WL01 | 250VAC/220VDC | 6A/0.3A | Plunger | IP66 | 120 operations/min |
ESL4M-WL02 | 250VAC/220VDC | 6A/0.3A | Roller Plunger | IP66 | 120 operations/min |
ESL4M-WL41M | 250VAC/220VDC | 6A/0.3A | Roller Fork Lever | IP66 | 120 operations/min |




In CNC machining centers, lathes, and milling machines, ESL4M-WL limit switches are used for axial and tool magazine limit detection and origin position confirmation, ensuring the precision and safety of machining operations.
For conveyor lines, stackers, and lifting platforms, the switches provide travel limit protection to prevent equipment from overtraveling and causing safety accidents.
In construction vehicle doors, booms, and outriggers, ESL4M-WL limit switches monitor the limit positions in real time, ensuring the stable and safe operation of construction machinery in harsh construction environments.
In high-speed filling, sealing, and labeling equipment, the switches realize positioning control and door safety interlocking, improving the automation level and operation safety of the equipment.
IP66 High Protection Level: It is dust-tight and resistant to powerful water jets, suitable for dusty and splash-water industrial environments.
Various Actuator Shapes: Plunger, roller lever, adjustable rod lever and other types are available to match different mechanical interfaces.
High-Cycle Operation Capability: Supports 120 operations per minute, suitable for high-frequency automation tasks.
Corrosion & Impact Resistance: The one-piece aluminum alloy housing can resist harsh environmental erosion and mechanical impact.
Select the appropriate actuator type according to the mechanical movement mode. For linear movement, plunger or roller plunger can be selected; for swing movement, roller lever is more suitable.
Fix the switch with screws to ensure firm installation and no loosening during equipment operation. Distinguish between normally open (NO) and normally closed (NC) contacts during wiring, and confirm that the voltage and current match the equipment requirements.
It depends on the mechanical movement form of the equipment. Linear reciprocating motion is suitable for plunger type, while swing motion is suitable for roller lever type. You can consult our technical team for customized suggestions.
IP66 means that the switch is completely dust-proof and can withstand high-pressure water jet flushing from any direction, which is very suitable for use in harsh environments such as workshops and construction sites.
Are you in need of a high-reliability limit switch for your automated equipment or construction machinery? The ESL4M-WL series limit switches with IP66 protection and multiple actuators can perfectly meet your needs! Click "Inquire" to get professional technical support and quotation, or add the product to the basket to start your purchase process immediately.