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Eaton Limit Switch - Roller Lever - IP66/IP67 - 400V - 6A

Eaton Limit Switch - Roller Lever - IP66/IP67 - 400V - 6A

The Eaton LS-S11S/RL is a robust limit switch designed to handle up to 400 V and 6 A of current. I...

Best current price£23.80from Tameson UK

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Product Information

Full details

The Eaton LS-S11S/RL limit switch is designed for industrial environments requiring precise position detection. It offers robust performance up to 400V and 6A, with IP66/IP67 protection against dust and water, making it ideal for demanding applications. However, its specialized nature means it requires careful integration into existing control systems.

All features

SeriesEaton Moeller
Model Part Number106802 LS-S11S/RL
BrandEaton

Extended Product Information

FAQs

What is the maximum voltage and current the Eaton LS-S11S/RL can handle?

The switch is rated for up to 400V and 6A for AC-15 applications. For DC-13, the ratings are 3A at 24V, 0.8A at 125V, and 0.3A at 230V.

What does IP66/IP67 rating mean?

IP66 signifies protection against dust and powerful water jets. IP67 means protection against temporary immersion in water (up to 1 meter for 30 minutes). This dual rating ensures high resistance to environmental ingress.

What type of actuator does this switch have?

It features a roller lever actuator with a roller cam and a crossed alignment for actuation.

How many contacts does the switch have, and what type are they?

The switch has two contacts: one normally closed (NC) and one normally open (NO). It also features forced opening for safety.

Can this switch be used in very cold or hot environments?

Yes, it is designed to operate reliably within an ambient temperature range of -25 to 70°C.

Is this switch suitable for safety-critical applications?

Yes, the inclusion of forced opening contacts makes it suitable for safety functions where reliable opening of circuits is required.

How should I clean the limit switch?

Clean the exterior with a dry or slightly damp cloth. Avoid using harsh chemicals or solvents.

Troubleshooting

Switch not actuating or signaling.

Verify the roller lever is properly aligned and engaging with the moving part. Check wiring connections for continuity and ensure they match the control diagram. Confirm the voltage and current supplied are within the switch's ratings.

False triggering or intermittent signals.

Inspect the roller and surrounding area for obstructions or debris. Ensure the switch is securely mounted and not vibrating excessively. Check for mechanical wear on the lever or internal components.

Contacts are stuck open or closed.

Check for signs of arcing or pitting on the contacts, which may indicate overload. Ensure the control circuit is within the specified current and voltage limits. If contacts are damaged, the switch may need replacement.

IP rating compromised (water/dust ingress).

Ensure the cable entry gland is correctly installed and tightened. Inspect the housing for cracks or damage. Replace the switch if the integrity of the enclosure is compromised.

Pros and Cons

Pros

  • Highly durable and resistant to environmental factors (dust, water).
  • Suitable for high-power industrial applications.
  • Provides precise position sensing and reliable switching.
  • Offers safety features like forced opening contacts.
  • Versatile actuator for various mechanical setups.

Cons

  • Requires specific knowledge for installation and wiring.
  • Actuator type may not be suitable for all motion profiles.
  • Limited to specific voltage and current ratings.
  • Plastic housing, while durable, may be less resistant to extreme physical impact compared to metal.

Setup, Compatibility & Care

Setup:

  1. Mounting: Securely mount the switch to a stable surface using appropriate hardware, ensuring the roller lever can freely engage with the moving part it will detect.
  2. Wiring: Connect the switch terminals according to the machine's control diagram. The switch has one normally closed (NC) and one normally open (NO) contact. Ensure correct polarity if applicable to your control system.
  3. Actuation Adjustment: Position the switch so that the roller lever is actuated precisely at the desired point of detection. Ensure the cable entry is properly sealed after connection.

Compatibility:

  • This switch is designed for use with AC or DC control circuits within its rated voltage and current limits (400V, 6A AC-15; 3A DC-13 at 24V).
  • Ensure your control system's input can accept the signal from the switch's contacts.
  • The roller lever actuator is best suited for detecting linear or precise point-based movements.

Care:

  • Cleaning: Periodically clean the exterior of the switch with a dry or slightly damp cloth. Avoid using solvents or abrasive cleaners.
  • Inspection: Regularly inspect the roller lever and housing for any signs of damage or wear. Ensure the cable entry remains sealed.
  • Environment: While rated for harsh environments, avoid prolonged exposure to corrosive chemicals or extreme temperatures beyond the specified range (-25 to 70°C).

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