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How do I use 2-wire and 3-wire solid state auto switches?

Leakage current:
3-wire type: 100 μA or less for 24 VDC Ex.) D-M9N
2-wire type: 0.8 mA or less for 24 VDC Ex.) D-M9B(W)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://smccatalog.partbuilder.smcpneumatics.com/support/faq/en-jp/?ca_id=auto-switches&fa_id=10174

CDQ2D50-20SZ-M9BSDPC

Magnet: D (Built-in), Mounting: D (Double Clevis), Bore Size: 50mm, Port Thread Type: Rc: 32-100 Bore; M Thread 12 to 25 Bore, Stroke: 20mm, Action: S (Single Acting, Spring Return), Body Option: Standard (Rod End Female Thread), Auto Switch Groove: Z (Auto Switch Mounting Grooves), Mounting Bolt: None, Rod End Bracket: None, Auto Switch: M9B--Solid State , Gen.

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/CDQ2D50-20SZ-M9BSDPC

CDBQ2D20-10DCM-HN-M9BL

Magnet: D (Built-in), Mounting: D (Double Clevis), Bore Size: Ø20 mm, Port Thread Type: Rc: 32-100 Bore; M Thread 12 to 25 Bore, Stroke: 10mm, Body Option: CM (Rubber Bumper, Rod End Male Thread), Lock Position: H (Rear Locking), Release of Manual: N (Non-locking Type), Auto Switch: M9B--Solid State , Gen. Purpose, 2 Wire, Horizontal, Lead Wire or Prewired Connector: L (3 m)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/CDBQ2D20-10DCM-HN-M9BL

CDBQ2D20-10DCM-HN-M9BLS

Magnet: D (Built-in), Mounting: D (Double Clevis), Bore Size: Ø20 mm, Port Thread Type: Rc: 32-100 Bore; M Thread 12 to 25 Bore, Stroke: 10mm, Body Option: CM (Rubber Bumper, Rod End Male Thread), Lock Position: H (Rear Locking), Release of Manual: N (Non-locking Type), Auto Switch: M9B--Solid State , Gen.

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/CDBQ2D20-10DCM-HN-M9BLS

CDBQ2D32-75DC-RN-M9BL

Magnet: D (Built-in), Mounting: D (Double Clevis), Bore Size: Ø32 mm, Port Thread Type: Rc: 32-100 Bore; M Thread 12 to 25 Bore, Stroke: 75mm, Body Option: C (Rubber Bumper, Rod End Female Thread), Lock Position: R (Front Lock), Release of Manual: N (Non-locking Type), Auto Switch: M9B--Solid State , Gen. Purpose, 2 Wire, Horizontal, Lead Wire or Prewired Connector: L (3 m)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/CDBQ2D32-75DC-RN-M9BL

CDBQ2D20-50DCM-HN-M9B

Magnet: D (Built-in), Mounting: D (Double Clevis), Bore Size: Ø20 mm, Port Thread Type: Rc: 32-100 Bore; M Thread 12 to 25 Bore, Stroke: 50mm, Body Option: CM (Rubber Bumper, Rod End Male Thread), Lock Position: H (Rear Locking), Release of Manual: N (Non-locking Type), Auto Switch: M9B--Solid State , Gen. Purpose, 2 Wire, Horizontal

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/CDBQ2D20-50DCM-HN-M9B

CDBQ2D20-25DCM-HN-M9B

Magnet: D (Built-in), Mounting: D (Double Clevis), Bore Size: Ø20 mm, Port Thread Type: Rc: 32-100 Bore; M Thread 12 to 25 Bore, Stroke: 25mm, Body Option: CM (Rubber Bumper, Rod End Male Thread), Lock Position: H (Rear Locking), Release of Manual: N (Non-locking Type), Auto Switch: M9B--Solid State , Gen. Purpose, 2 Wire, Horizontal

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/CDBQ2D20-25DCM-HN-M9B

25A-CDQ2D20-15DCMZ-M9BL

Magnet: D (Built-in), Mounting: D (Double Clevis), Bore Size: 20mm, Port Thread Type: Rc: 32-100 Bore; M Thread 12 to 25 Bore, Stroke: 15mm, Body Option: CM (C+M), Auto Switch Groove: Z (Auto Switch Mounting Grooves), Auto Switch: M9B--Solid State , Gen. Purpose, 2 Wire, Horizontal, Lead Wire or Prewired Connector: L (3m)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/25A-CDQ2D20-15DCMZ-M9BL

25A-CDQ2D50-40DMZ-M9BL

Magnet: D (Built-in), Mounting: D (Double Clevis), Bore Size: 50mm, Port Thread Type: Rc: 32-100 Bore; M Thread 12 to 25 Bore, Stroke: 40mm, Body Option: M (Rod End Male Thread), Auto Switch Groove: Z (Auto Switch Mounting Grooves), Auto Switch: M9B--Solid State , Gen. Purpose, 2 Wire, Horizontal, Lead Wire or Prewired Connector: L (3m)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/25A-CDQ2D50-40DMZ-M9BL

25A-CDQ2D100-75DCMZ-M9BL

Magnet: D (Built-in), Mounting: D (Double Clevis), Bore Size: 100mm, Port Thread Type: Rc: 32-100 Bore; M Thread 12 to 25 Bore, Stroke: 75mm, Body Option: CM (C+M), Auto Switch Groove: Z (Auto Switch Mounting Grooves), Auto Switch: M9B--Solid State , Gen. Purpose, 2 Wire, Horizontal, Lead Wire or Prewired Connector: L (3m)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/25A-CDQ2D100-75DCMZ-M9BL

25A-CDQ2D50-30DMZ-M9BL

Magnet: D (Built-in), Mounting: D (Double Clevis), Bore Size: 50mm, Port Thread Type: Rc: 32-100 Bore; M Thread 12 to 25 Bore, Stroke: 30mm, Body Option: M (Rod End Male Thread), Auto Switch Groove: Z (Auto Switch Mounting Grooves), Auto Switch: M9B--Solid State , Gen. Purpose, 2 Wire, Horizontal, Lead Wire or Prewired Connector: L (3m)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/25A-CDQ2D50-30DMZ-M9BL

25A-CDQ2D40-75DMZ-M9BM4

Magnet: D (Built-in), Mounting: D (Double Clevis), Bore Size: 40mm, Port Thread Type: Rc: 32-100 Bore; M Thread 12 to 25 Bore, Stroke: 75mm, Body Option: M (Rod End Male Thread), Auto Switch Groove: Z (Auto Switch Mounting Grooves), Auto Switch: M9B--Solid State , Gen. Purpose, 2 Wire, Horizontal, Lead Wire or Prewired Connector: M (1m), Number: 4 pcs.

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/25A-CDQ2D40-75DMZ-M9BM4

CDLQD50-100DM-B-M9BSDPC

Magnet: D (Built-in), Mounting: D (Double Clevis), Bore Size: 50mm, Thread: M5x0.8 (20-25 Bore); Rc (32-100 Bore), Stroke: 100mm, Body Option: M (Rod End Male Thread), Locking Direction: B (Retracting Stroke Lock), Auto Switch: M9B--Solid State, Gen. Purpose, 2 Wire, Horizontal, 0.5M, Lead Wire or Prewired Connector: SDPC (0.5m Cord Length, M12-4 Pin Connector)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/CDLQD50-100DM-B-M9BSDPC

CDLQD50-100DM-F-M9BSDPC

Magnet: D (Built-in), Mounting: D (Double Clevis), Bore Size: 50mm, Thread: M5x0.8 (20-25 Bore); Rc (32-100 Bore), Stroke: 100mm, Body Option: M (Rod End Male Thread), Locking Direction: F (Forwarding Stroke Lock), Auto Switch: M9B--Solid State, Gen. Purpose, 2 Wire, Horizontal, 0.5M, Lead Wire or Prewired Connector: SDPC (0.5m Cord Length, M12-4 Pin Connector)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/CDLQD50-100DM-F-M9BSDPC

CDLQD80-100DCM-B-M9BSDPC

Magnet: D (Built-in), Mounting: D (Double Clevis), Bore Size: 80mm, Thread: M5x0.8 (20-25 Bore); Rc (32-100 Bore), Stroke: 100mm, Body Option: CM (Rubber Bumper, Rod End Male Thread), Locking Direction: B (Retracting Stroke Lock), Auto Switch: M9B--Solid State, Gen. Purpose, 2 Wire, Horizontal, 0.5M, Lead Wire or Prewired Connector: SDPC (0.5m Cord Length, M12-4 Pin Connector)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/CDLQD80-100DCM-B-M9BSDPC

CDLQD25-15DCM-B-M9BSDPC

Magnet: D (Built-in), Mounting: D (Double Clevis), Bore Size: 25mm, Thread: M5x0.8 (20-25 Bore); Rc (32-100 Bore), Stroke: 15mm, Body Option: CM (Rubber Bumper, Rod End Male Thread), Locking Direction: B (Retracting Stroke Lock), Auto Switch: M9B--Solid State, Gen. Purpose, 2 Wire, Horizontal, 0.5M, Lead Wire or Prewired Connector: SDPC (0.5m Cord Length, M12-4 Pin Connector)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/CDLQD25-15DCM-B-M9BSDPC

CDLQD25-25DCM-B-M9BSDPC

Magnet: D (Built-in), Mounting: D (Double Clevis), Bore Size: 25mm, Thread: M5x0.8 (20-25 Bore); Rc (32-100 Bore), Stroke: 25mm, Body Option: CM (Rubber Bumper, Rod End Male Thread), Locking Direction: B (Retracting Stroke Lock), Auto Switch: M9B--Solid State, Gen. Purpose, 2 Wire, Horizontal, 0.5M, Lead Wire or Prewired Connector: SDPC (0.5m Cord Length, M12-4 Pin Connector)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/CDLQD25-25DCM-B-M9BSDPC

CDLQD32-25DM-B-M9BSDPC

Magnet: D (Built-in), Mounting: D (Double Clevis), Bore Size: 32mm, Thread: M5x0.8 (20-25 Bore); Rc (32-100 Bore), Stroke: 25mm, Body Option: M (Rod End Male Thread), Locking Direction: B (Retracting Stroke Lock), Auto Switch: M9B--Solid State, Gen. Purpose, 2 Wire, Horizontal, 0.5M, Lead Wire or Prewired Connector: SDPC (0.5m Cord Length, M12-4 Pin Connector)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/CDLQD32-25DM-B-M9BSDPC

CDLQD50-50DM-B-M9BSAPC

Magnet: D (Built-in), Mounting: D (Double Clevis), Bore Size: 50mm, Thread: M5x0.8 (20-25 Bore); Rc (32-100 Bore), Stroke: 50mm, Body Option: M (Rod End Male Thread), Locking Direction: B (Retracting Stroke Lock), Auto Switch: M9B--Solid State, Gen. Purpose, 2 Wire, Horizontal, 0.5M, Lead Wire or Prewired Connector: SAPC (0.5m Cord Length, M8-3 Pin Connector)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/CDLQD50-50DM-B-M9BSAPC

CDLQD40-15DCM-B-M9BSDPC

Magnet: D (Built-in), Mounting: D (Double Clevis), Bore Size: 40mm, Thread: M5x0.8 (20-25 Bore); Rc (32-100 Bore), Stroke: 15mm, Body Option: CM (Rubber Bumper, Rod End Male Thread), Locking Direction: B (Retracting Stroke Lock), Auto Switch: M9B--Solid State, Gen. Purpose, 2 Wire, Horizontal, 0.5M, Lead Wire or Prewired Connector: SDPC (0.5m Cord Length, M12-4 Pin Connector)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/CDLQD40-15DCM-B-M9BSDPC