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Limit Switch

Limit Switch

P/N & Price

ALS1 metal series of Limit Switches protection class: IP65, plastic series protection: IP67. Compact structure with save installation space. RoHS materia.

Product Description

Metal shell series ALS-M

Actuator typeImageActuator typeImageActuator typeImageActuator typeImage

Rounded 

plunger

limit-switch/apt/ALS1-M11-A2

Roller 

plunger

limit-switch/apt/ALS1-M11-B2

Roller 

plunger

limit-switch/apt/ALS1-M11-CTwist leverlimit-switch/apt/ALS1-M11-F1

Adjustable twist lever

limit-switch/apt/ALS1-M11-G1

Rod 

actuator

limit-switch/apt/ALS1-M11-H3Spring rodlimit-switch/apt/ALS1-M11-S3Palpuslimit-switch/apt/ALS1-M11-J1

Note: the number of products poles is one normally open and one normally closed (1NO1NC).

Go download center and get the products datasheet


How does the limit switch wiring?

DescriptionImage show
Step 1: unscrew the screw, take off the coversiemens-apt/als-m-wiring-step1
Step 2: install the wire through cable glandsiemens-apt/als-m-wiring-step2
Step 3: wiringsiemens-apt/als-m-wiring-step3
Step 4: tighten the screws of the coversiemens-apt/als-m-wiring-step4

Note: 

- Tightening torque 0.5~0.6Nm of contact model.

- Tightening torque 0.5~0.6Nm of cover.

- Avoid the damage of seal ring, pls. even tighten the screws.


Technical Data of ALS1-M

StandardsIEC60947-5-1 GB14048.5
Rated insulation voltage Ui400V AC

Rated impulse withstand voltage 

uimp

1890V  AC 50Hz. 1min 
Conventional thermal current Ith10 Ampere
Product certificationCCC, CE, RoHS
Mechanical enduranceMore than 10 million times
Electrical endurance0.5 million times/AC-15 at 240V/3A
Operation temperature-20℃ ~70℃
Humidity< 95%RH
Protection classIP65
Operating frequency7,200 times/hour (mechanical endurance)
Shock amplitude≤ 10g
Impact amplitude10~55Hz 1.5mm
Contact resistance< 25mΩ
Contact materialAgNi10/Cu
Wire specifications2×(0.5…0.75)mm2 1×(0.5…1.5)mm2


Plastics shell series ALS-P

Actuator typeImageActuator typeImageActuator typeImageActuator typeImageActuator typeImage
Roundedplungerlimit-switch/apt/ALS1-P11-A1

Roller plunger

limit-switch/apt/ALS1-P11-B1

Roller 

lever

limit-switch/apt/ALS1-P11-D1

Angular roller 

lever

limit-switch/apt/ALS1-P11-E1Twist leverlimit-switch/apt/ALS1-P11-F1
Adjustable twist leverlimit-switch/apt/ALS1-P11-G1Rod actuatorlimit-switch/apt/ALS1-P11-H1Spring   rodlimit-switch/apt/ALS1-P11-S1

Rounded plunger

limit-switch/apt/ALS1-P11-K

Roller 

plunger

limit-switch/apt/ALS1-P11-L

Note: the number of products poles is one normally open and one normally closed (1NO1NC).

Go downland center and get the products datasheet


How does the limit switch wiring?

Step 1: Unscrew the screw, take off the coversiemens-apt/als-p-wiring-step1
Step 2: Install the wire through cable glandsiemens-apt/als-p-wiring-step2
Step 3: Wiringsiemens-apt/als-p-wiring-step3
Step 4: Tighten the screws of the coversiemens-apt/als-p-wiring-step4
Step 5:Tighten the cable glandsiemens-apt/als-p-wiring-step5

Note:

- Tightening torque ≤0.7Nm of contact type.

- Tightening torque ≤1Nm of cover.

- Pay attention to cover installed.


Technical Data of ALS1-P

StandardsIEC60947-5-1 GB14048.5 EN50047
Rated insulation voltage Ui400V AC
Rated impulse withstand voltage 

uimp

1890V AC 50Hz. 1min
Conventional thermal current 

Ith

10 Ampere
Product certificationCCC  CE  RoHS
Mechanical enduranceMore than 10 million times
Electrical endurance0.5 million times/AC-15 at 240V/3A
Ambient temperature-25℃ ~70℃
Humidity< 95%RH
Protection classIP67
Operating frequency6,000 times/hour (Mechanical Endurance)
Shock amplitude≤ 10g
Impact amplitude10~55Hz 1.5mm
Contact resistance< 25mΩ
Contact materialAgNi10/Cu
Safety circuitsYes
Wire specifications2×(0.5…0.75)mm2 1×(0.5…1.5)mm2


FAQs

1. What is function of limit switch?

2. What is a limit switch used for?

3. How many types of limit switches are there?

4. What is a mechanical limit switch?

5. Why is the limit switch important?

6. What is the difference between proximity switch and limit switch?

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