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Accessories End Limit Switch

Accessories End Limit Switch: Precision Control for Automated Motion

End limit switches are electromechanical devices designed to detect the physical presence or absence of an object at the end of a travel path, providing a binary signal to control systems. These components typically feature a mechanical actuator (plunger, roller lever, or whiske...

Accessories End Limit Switch: Precision Control for Automated Motion

End limit switches are electromechanical devices designed to detect the physical presence or absence of an object at the end of a travel path, providing a binary signal to control systems. These components typically feature a mechanical actuator (plunger, roller lever, or whisker) that operates a set of contacts (normally open NO, normally closed NC, or changeover SPDT) when the target reaches a predefined position. Rated for voltages up to 250V AC/DC and currents from 5A to 15A, they offer high mechanical endurance (up to 10 million cycles) and protection ratings from IP40 to IP67 depending on the enclosure. The actuation force and travel distance vary by model, with precision repeatability within ±0.01mm for critical applications. They are available in various configurations: snap-action, slow-break, or magnetic reed types, each suited for specific load and environmental conditions.

These switches are integral to industrial automation, machine safety, and material handling systems. Common applications include conveyor belt end-of-travel detection, elevator door position sensing, robotic arm limit stops, and packaging machinery cycle control. They are also used in HVAC dampers, crane rail end stops, and automotive assembly lines for part presence verification. In hazardous environments, explosion-proof models with ATEX or IECEx certifications are available for gas or dust zones.

Our catalog includes subcategories such as: Plunger Type Limit Switches (e.g., model LS-PL-01), Roller Lever Type (LS-RL-02), and Whisker Type (LS-WH-03). The article code structure typically follows: LS-[Actuator Type]-[Contact Configuration]-[Rating], where Actuator Type is PL (plunger), RL (roller lever), or WH (whisker); Contact Configuration is NO, NC, or SPDT; and Rating indicates current/voltage (e.g., 10A250V). Key models include LS-PL-NO-10A250V and LS-RL-SPDT-15A125V.

We offer express worldwide shipping with real-time pricing and stock visibility. Our team of specialized engineers provides personalized technical support for selection, integration, and troubleshooting, including documentation with wiring diagrams and datasheets for each article.

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Manufacturer Code Reference Catalog Number Description Delivery Price

D4GS0045G

D4GS-NK1

D4GSNK1

Pin horizontal D4GS

Operation Key, horizontal mounting

2 View Availability View Price

D4GS0046E

D4GS-NK2

D4GSNK2

Pin vertical D4GS

Operation Key, vertical mounting

2 View Availability View Price

D4GS0047C

D4GS-NK4

D4GSNK4

Adjustable pin D4GS

Operation Key, adjustable

1 View Availability View Price

D4BS0027M

D4BS-K3

D4BSK3

Pin angle D4BS

Safety-door switch accessory, D4BS, operation key: horizontal mounting

2 View Availability View Price

D4BS0025D

D4BS-K1

D4BSK1

Pin horizontal D4BS

Safety-door switch accessory, D4BS, operation key: horizontal mounting

2 View Availability View Price

D4BS0026B

D4BS-K2

D4BSK2

Pin vertical D4BS

Safety-door switch accessory, D4BS, operation key: vertical mounting

2 View Availability View Price

D4BL0019D

D4BL RELEASE KEY

D4BLRELEASEKEY

Key special makeup for FC with lock

Special replacement key for FC with lockdown

3 View Availability View Price

D4BL1004A

D4BL-K1

D4BLK1

Pin horizontal D4BL

Slide operation key for D4BL switch, horizontal mounting

2 View Availability View Price

D4BL1005M

D4BL-K2

D4BLK2

Pin vertical D4BL

Slide operation key for D4BL switch, vertical mounting

2 View Availability View Price

D4BL1006H

D4BL-K3

D4BLK3

Pin angle D4BL

Hinge operation key for D4BL switch, vertical mounting (horiz. adjust.)

2 View Availability View Price

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