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Head and Cap Mounted - CLS Magnetic Switch
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Head and Cap Mounted - CLS Magnetic Switch

Brand: Schrader Bellows
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CLS Magnetic Principal Switches are contact type switches with no leakage current and are better suited for series wiring, higher load current requirements and have higher temperature resistance.
  • CLS-1 and CLS-4: For applications where the customer needs NC contacts, zero leakage, zero voltage drop, higher or lower load current than EPS-style.
  • CLS-2: For applications where the customer needs NC contacts, zero leakage, zero voltage drop, higher or lower load current than EPS style. Threaded style permits small adjustability of make/break location.
These switches are magnetically operated. Dual magnets provide a dependable “snap action” for positive position sensing. 

In the “Unoperated” position, the magnet assembly is attracted in the opposite direction of the arrow, causing a finely ground stainless steel connecting rod to hold the contacts open.

In the “Operated” position a ferrous part (cushion or piston) enters the sensing area and attracts the magnet assembly which causes the rod to draw the contacts together.

Spacers are not required. Threaded switches can be adjusted for small changes to end of stroke position sensing.

CLS proximity switches may be ordered on PA-2, PL-2, PH-2, PH-3 and SHM Series cylinders.

Mounting styles MT1, MT2, ME5, MF1 and MF2 should be used with caution because of possible mounting interferences.

CLS-1 and CLS-4 proximity switches are not available on the head end of 1.50" bore with 1.00" rod and 2.00" bore with 1.375" rod.
Features
  • Sensing gap: 0.030" to 0.060" 
  • Trip point: Factory set with piston bottomed out
  • Release point: Approx. 0.25" piston travel
  • Minimum cylinder stroke is 0.50" on 1.50" & 2.00" bores; and 0.75" on 2.50" bore and larger

Specifications

Brand

Switch Type

  • Non-Contacting Magnetically Actuated

Style

  • CLS-4
  • CLS-2
  • CLS-1

Supply Voltage

  • 24 - 240 VAC/DC

Load Current Maximum

  • 4 Amps @ 120 VAC
  • 3 Amps @ 24 VDC

Leakage Current

  • None

Voltage Drop

  • None

Connection

  • 3-pin Mini
  • 144" PTFE Coated Flying Leads with 1/2" Conduit Hub
  • 36" Potted-in PVC cable (Most Sizes also with 1/2" Conduit Hub)

Operating Temperature

  • -40° to +221° F
  • -40° to +400° F

Enclosure Rating

  • NEMA 1, 2, 3, 4, 4X, 5, 6, 6P, 11, 12, 12K, 13 - CLS-1
  • NEMA 1, 2, 3, 4, 4X, 5 - CLS-4
  • NEMA 4, 4X, 6, 6P, 7, 9 - CLS-2

LED Indication

  • No

Short Circuit Protection

  • No

Weld Field Immunity

  • Yes

Output

  • SPDT (Single Pole Double Throw), Normally Open/Normally Closed, Form C

Approvals & Certifications

  • UL
  • CSA

Make / Break Location

  • Tolerance is ± 0.13"
  • 0.13" from End of Stroke, Typical

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