Magnetic Cylinder Sensors - Fabco-Air

Magnetic cylinder sensors mount directly on a pneumatic cylinder and detect the magnet built into its piston. They confirm when a cylinder is fully extended, retracted or at a mid-stroke position, which gives your PLC dependable feedback without adding external limit switches or brackets.

Sensor Styles

  • T-slot sensors – drop into the profile groove of most modern ISO cylinders
  • C-slot sensors – for compact and short-stroke cylinders
  • Tie-rod and band-mount sensors – with adapters for NFPA and round-body cylinders
  • Analog position sensors – continuous piston position over a measuring range
  • Weld-field immune sensors – resist false triggering near resistance welders

Choosing a Sensor

Confirm the cylinder's slot type, then choose an electronic (PNP or NPN) or reed switch output that suits your controller. Electronic sensors last longer and switch faster, while reed switches work well for simple, low-current circuits. Pick a cable or quick-disconnect connector based on how often you'll need to replace or move the sensor.

Centro carries magnetic cylinder sensors and mounting adapters to fit most major cylinder brands. Ask us if you're not sure which one fits.

Related categories: Automation & Robotics Sensors | Photoelectric Sensors | Inclination Sensors | Sensor Adapters | Sensor Cables

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Magnetic electronic position sensor / switch with LED - Fabco-Air - 1 x digital output (6-24Vdc; PNP sourcing; 1V drop; 200mA max.) - 9ft leadwire - rated for -25...+250°F / -32...+121°C ambient - technically compatible with FKA series; 10mm bore; 20mm bore / Pancake series; 1/2" bore

$48.98

Available for Purchase

Subject to factory lead times

Magnetic electronic position sensor / switch with LED - Fabco-Air - 1 x digital output (6-24Vdc; NPN sinking; 1V drop; 200mA max.) - 9ft leadwire - rated for -25...+250°F / -32...+121°C ambient - technically compatible with FKA series; 10mm bore; 20mm bore / Pancake series; 1/2" bore

$48.98

Available for Purchase

Subject to factory lead times

Magnetic electronic position sensor / switch with LED - Fabco-Air - 1 x digital output (2-24Vdc; PNP sourcing; 1V drop; 200mA max.) - 19" / 1.5ft pigtail terminated with a quick disconnect male connector - rated for -25...+250°F / -32...+121°C ambient - technically compatible with FKA series; 10mm bore; 20mm bore / Pancake series; 1/2" bore

$63.92

Available for Purchase

Subject to factory lead times

Magnetic electronic position sensor / switch with LED - Fabco-Air - 1 x digital output (6-24Vdc; NPN sinking; 1V drop; 200mA max.) - 19" / 1.5ft pigtail terminated with a quick disconnect male connector - rated for -25...+250°F / -32...+121°C ambient - technically compatible with FKA series; 10mm bore; 20mm bore / Pancake series; 1/2" bore

$63.92

Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; 5-240Vac/Vdc; 1A max.; 3V drop) - 9ft leadwire - rated for -10...+165°F / -23...+73°C ambient - technically compatible with Multi-power air presses series / Multi-power boosters; 4" bore / Hi-power; 4" to 8" bore / Multi-power (original series); 4" to 8" bore

$57.48

Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; 5-240Vac/Vdc; 1A max.; 3V drop) - quick-disconnect connector - rated for -10...+165°F / -23...+73°C ambient - technically compatible with Multi-power air presses series / Multi-power boosters; 4" bore / Hi-power; 4" to 8" bore / Multi-power (original series); 4" to 8" bore

$70.72

Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch with LED - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; 5-240Vac/Vdc; 1A 30W max.; 3V drop) - 9ft leadwire - technically compatible with Hi-power (UHP series); 10" to 12" bore / Multi-power (original series); 10" to 12" bore (2 to 4 stages)

$57.48

Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch with LED - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; 5-240Vac/Vdc; 1A 30W max.; 3V drop) - quick-disconnect connector - technically compatible with Hi-power (UHP series); 10" to 12" bore / Multi-power (original series); 10" to 12" bore (2 to 4 stages)

$70.72

Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; 5-120Vac/Vdc; 500mA 10W max.; 3.5V drop) - rated for -4...+176°F / -20...+80°C ambient - clamp-on style shape - technically compatible with F series / FAE series / Humphrey interchange (H series)

$43.83

Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; 5-120Vac/Vdc; 500mA 10W max.; 3.5V drop) - 9ft leadwire - rated for -10...+165°F / -23...+73°C ambient - technically compatible with Longstroke series; 2" to 4" bore / Multi-power boosters; 2-1/2" bore / Hi-power / Multi-power (original series) / Multi-power (Longstroke series); 2" bore / ; 3/4" bore (1/4" stroke; 1-1/2" stroke); 7/8" bore (1" stroke); 1-1/8" bore (1/2" to 1" stroke); 1-5/8" bore (1/2" stroke; 2" stroke); 2" bore (1/2" to 2-1/2" stroke) / FCQN series (OEM-NFPA)

$37.85

Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch with LED - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; Vac/Vdc) - quick-disconnect connector - rated for -10...+165°F / -23...+73°C ambient - clamp-on style shape - technically compatible with F series / FAE series / Humphrey interchange (H series)

$56.44

Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; 5-120Vac/Vdc; 500mA 10W max.; 3.5V drop) - quick-disconnect connector - rated for -10...+165°F / -23...+73°C ambient - technically compatible with Longstroke series; 2" to 4" bore / Multi-power boosters; 2-1/2" bore / Hi-power / Multi-power (original series) / Multi-power (Longstroke series); 2" bore / ; 3/4" bore (1/4" stroke; 1-1/2" stroke); 7/8" bore (1" stroke); 1-1/8" bore (1/2" to 1" stroke); 1-5/8" bore (1/2" stroke; 2" stroke); 2" bore (1/2" to 2-1/2" stroke) / FCQN series (OEM-NFPA)

$51.09

Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; Vac/Vdc; 1A max.) - rated for -4...+176°F / -20...+80°C ambient - technically compatible with Humphrey interchange (H series)
Requires Quote
Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch with mounting kit - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; Vac/Vdc; 1A max.) - rated for -4...+176°F / -20...+80°C ambient - technically compatible with Humphrey interchange (H series)
Requires Quote
Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; Vac/Vdc; 1A max.) - 144" / 12ft leads - rated for -4...+176°F / -20...+80°C ambient - technically compatible with Humphrey interchange (H series)
Requires Quote
Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch with mounting kit - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; Vac/Vdc; 1A max.) - 144" / 12ft leads - rated for -4...+176°F / -20...+80°C ambient - technically compatible with Humphrey interchange (H series)
Requires Quote
Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch with LED - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; Vac/Vdc; 1A max.) - rated for -4...+176°F / -20...+80°C ambient - technically compatible with Humphrey interchange (H series)
Requires Quote
Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch with mounting kit + LED - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; Vac/Vdc; 1A max.) - rated for -4...+176°F / -20...+80°C ambient - technically compatible with Humphrey interchange (H series)
Requires Quote
Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch with LED - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; Vac/Vdc; 1A max.) - 144" / 12ft leads - rated for -4...+176°F / -20...+80°C ambient - technically compatible with Humphrey interchange (H series)
Requires Quote
Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch with mounting kit + LED - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; Vac/Vdc; 1A max.) - 144" / 12ft leads - rated for -4...+176°F / -20...+80°C ambient - technically compatible with Humphrey interchange (H series)
Requires Quote
Available for Purchase

Subject to factory lead times

Position sensr. mounting clamp - Fabco-Air - rated for -10...+165°F / -23...+73°C ambient - technically compatible with Longstroke series / Multi-power boosters / Hi-power (HP series) / Multi-power (original series) / Multi-power (Longstroke series); 2" bore / FCQN series (OEM-NFPA) / NFPA series

$12.78

Available for Purchase

Subject to factory lead times

SDBF-FCS-1L-NU-K-9-N-LE
MPN:SDBF-FCS-1L-NU-K-9-N-LE
Fabco-Air component - #SDBF-FCS-1L-NU-K-9-N-LE

$46.98

Available for Purchase

Subject to factory lead times

SDBF-FCS-1L-NU-K-N-M8
MPN:SDBF-FCS-1L-NU-K-N-M8
Fabco-Air component - #SDBF-FCS-1L-NU-K-N-M8

$60.27

Available for Purchase

Subject to factory lead times

SDBF-FCS-1L-PU-K-9-N-LE
MPN:SDBF-FCS-1L-PU-K-9-N-LE
Fabco-Air component - #SDBF-FCS-1L-PU-K-9-N-LE

$46.98

Available for Purchase

Subject to factory lead times

Magnetic electronic position sensor / switch with LED - Fabco-Air - 1 x digital output (6-24Vdc; PNP sourcing; 1V drop; 200mA max.) - 9ft leadwire - rated for -25...+250°F / -32...+121°C ambient - technically compatible with FKA series; 10mm bore; 20mm bore / Pancake series; 1/2" bore

$48.98

Available for Purchase

Subject to factory lead times

Magnetic electronic position sensor / switch with LED - Fabco-Air - 1 x digital output (6-24Vdc; NPN sinking; 1V drop; 200mA max.) - 9ft leadwire - rated for -25...+250°F / -32...+121°C ambient - technically compatible with FKA series; 10mm bore; 20mm bore / Pancake series; 1/2" bore

$48.98

Available for Purchase

Subject to factory lead times

Magnetic electronic position sensor / switch with LED - Fabco-Air - 1 x digital output (2-24Vdc; PNP sourcing; 1V drop; 200mA max.) - 19" / 1.5ft pigtail terminated with a quick disconnect male connector - rated for -25...+250°F / -32...+121°C ambient - technically compatible with FKA series; 10mm bore; 20mm bore / Pancake series; 1/2" bore

$63.92

Available for Purchase

Subject to factory lead times

Magnetic electronic position sensor / switch with LED - Fabco-Air - 1 x digital output (6-24Vdc; NPN sinking; 1V drop; 200mA max.) - 19" / 1.5ft pigtail terminated with a quick disconnect male connector - rated for -25...+250°F / -32...+121°C ambient - technically compatible with FKA series; 10mm bore; 20mm bore / Pancake series; 1/2" bore

$63.92

Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; 5-240Vac/Vdc; 1A max.; 3V drop) - 9ft leadwire - rated for -10...+165°F / -23...+73°C ambient - technically compatible with Multi-power air presses series / Multi-power boosters; 4" bore / Hi-power; 4" to 8" bore / Multi-power (original series); 4" to 8" bore

$57.48

Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; 5-240Vac/Vdc; 1A max.; 3V drop) - quick-disconnect connector - rated for -10...+165°F / -23...+73°C ambient - technically compatible with Multi-power air presses series / Multi-power boosters; 4" bore / Hi-power; 4" to 8" bore / Multi-power (original series); 4" to 8" bore

$70.72

Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch with LED - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; 5-240Vac/Vdc; 1A 30W max.; 3V drop) - 9ft leadwire - technically compatible with Hi-power (UHP series); 10" to 12" bore / Multi-power (original series); 10" to 12" bore (2 to 4 stages)

$57.48

Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch with LED - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; 5-240Vac/Vdc; 1A 30W max.; 3V drop) - quick-disconnect connector - technically compatible with Hi-power (UHP series); 10" to 12" bore / Multi-power (original series); 10" to 12" bore (2 to 4 stages)

$70.72

Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; 5-120Vac/Vdc; 500mA 10W max.; 3.5V drop) - rated for -4...+176°F / -20...+80°C ambient - clamp-on style shape - technically compatible with F series / FAE series / Humphrey interchange (H series)

$43.83

Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; 5-120Vac/Vdc; 500mA 10W max.; 3.5V drop) - 9ft leadwire - rated for -10...+165°F / -23...+73°C ambient - technically compatible with Longstroke series; 2" to 4" bore / Multi-power boosters; 2-1/2" bore / Hi-power / Multi-power (original series) / Multi-power (Longstroke series); 2" bore / ; 3/4" bore (1/4" stroke; 1-1/2" stroke); 7/8" bore (1" stroke); 1-1/8" bore (1/2" to 1" stroke); 1-5/8" bore (1/2" stroke; 2" stroke); 2" bore (1/2" to 2-1/2" stroke) / FCQN series (OEM-NFPA)

$37.85

Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch with LED - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; Vac/Vdc) - quick-disconnect connector - rated for -10...+165°F / -23...+73°C ambient - clamp-on style shape - technically compatible with F series / FAE series / Humphrey interchange (H series)

$56.44

Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; 5-120Vac/Vdc; 500mA 10W max.; 3.5V drop) - quick-disconnect connector - rated for -10...+165°F / -23...+73°C ambient - technically compatible with Longstroke series; 2" to 4" bore / Multi-power boosters; 2-1/2" bore / Hi-power / Multi-power (original series) / Multi-power (Longstroke series); 2" bore / ; 3/4" bore (1/4" stroke; 1-1/2" stroke); 7/8" bore (1" stroke); 1-1/8" bore (1/2" to 1" stroke); 1-5/8" bore (1/2" stroke; 2" stroke); 2" bore (1/2" to 2-1/2" stroke) / FCQN series (OEM-NFPA)

$51.09

Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; Vac/Vdc; 1A max.) - rated for -4...+176°F / -20...+80°C ambient - technically compatible with Humphrey interchange (H series)
Requires Quote
Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch with mounting kit - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; Vac/Vdc; 1A max.) - rated for -4...+176°F / -20...+80°C ambient - technically compatible with Humphrey interchange (H series)
Requires Quote
Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; Vac/Vdc; 1A max.) - 144" / 12ft leads - rated for -4...+176°F / -20...+80°C ambient - technically compatible with Humphrey interchange (H series)
Requires Quote
Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch with mounting kit - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; Vac/Vdc; 1A max.) - 144" / 12ft leads - rated for -4...+176°F / -20...+80°C ambient - technically compatible with Humphrey interchange (H series)
Requires Quote
Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch with LED - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; Vac/Vdc; 1A max.) - rated for -4...+176°F / -20...+80°C ambient - technically compatible with Humphrey interchange (H series)
Requires Quote
Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch with mounting kit + LED - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; Vac/Vdc; 1A max.) - rated for -4...+176°F / -20...+80°C ambient - technically compatible with Humphrey interchange (H series)
Requires Quote
Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch with LED - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; Vac/Vdc; 1A max.) - 144" / 12ft leads - rated for -4...+176°F / -20...+80°C ambient - technically compatible with Humphrey interchange (H series)
Requires Quote
Available for Purchase

Subject to factory lead times

Magnetic reed position sensor / switch with mounting kit + LED - Fabco-Air - 1 x digital output (SPST-NO Normally Open contact; Vac/Vdc; 1A max.) - 144" / 12ft leads - rated for -4...+176°F / -20...+80°C ambient - technically compatible with Humphrey interchange (H series)
Requires Quote
Available for Purchase

Subject to factory lead times

Position sensr. mounting clamp - Fabco-Air - rated for -10...+165°F / -23...+73°C ambient - technically compatible with Longstroke series / Multi-power boosters / Hi-power (HP series) / Multi-power (original series) / Multi-power (Longstroke series); 2" bore / FCQN series (OEM-NFPA) / NFPA series

$12.78

Available for Purchase

Subject to factory lead times

SDBF-FCS-1L-NU-K-9-N-LE
MPN:SDBF-FCS-1L-NU-K-9-N-LE
Fabco-Air component - #SDBF-FCS-1L-NU-K-9-N-LE

$46.98

Available for Purchase

Subject to factory lead times

SDBF-FCS-1L-NU-K-N-M8
MPN:SDBF-FCS-1L-NU-K-N-M8
Fabco-Air component - #SDBF-FCS-1L-NU-K-N-M8

$60.27

Available for Purchase

Subject to factory lead times

SDBF-FCS-1L-PU-K-9-N-LE
MPN:SDBF-FCS-1L-PU-K-9-N-LE
Fabco-Air component - #SDBF-FCS-1L-PU-K-9-N-LE

$46.98

Available for Purchase

Subject to factory lead times