Proximity Switch - Ferrous
Explosion Proof & Intrinsically Safe Proximity/Limit Switches SPDT/SPCO
Certifications / Approvals
| Magnet Part No. | MA-1S | MA-2S | MA-3S | MA-4S | MA-7S |
|---|---|---|---|---|---|
| Sensing Range in mm (") | |||||
| Magnet Datasheets |  | | | | |
Documents to view/download
Series Overview
The FS-A Series Proximity Switch (M18 Thread) is highly versatile and can be used in a multitude of applications where a reliable signal is required. Utilising proven magnetic technology enables them to sense ferrous material, such as carbon steel or stainless steel (17/4 or 400 series) at up to 2.5mm (0.1"). Volt free SPCO/SPDT (Form C) contacts as standard.
The FS-A Series is covered by the following hazardous area certifications.
| Explosion Proof: | IECEx & ATEX Exd (Zone 1 & Zone 21) |
| Intrinsically Safe: | IECEx & ATEX Exia (Zone 0 & Zone 20) ¦ UL/CSA IS (Zone 0) |
| Other Regional Approvals Include: | EAC/TRCU, INMETRO, KCs, CCOE/PESO, ECAS ex, NEPSI/CQST |
The FS-A series proximity switches meet the requirements of IEC 61508:2010 Routes 1H & 1S with Systematic Capability (SC3) as an element/subsystem, and are suitable for use in safety related systems performing safety functions up to and including SIL 2 with HFT=0 (1oo1) and SIL 3 with HFT =1 (1oo2).
- Body Shape
- Cylindrical
- Body Material
- 316L Stainless Steel
- Contact Arrangement
- SPCO / SPDT (Form C)
- Contact Material
- Palladium-Silver
- Max Current
- 4A
- Conduit Entry
- No Conduit Entry
- Temperature Class (T Rating)
- T3 / T4 / T6
- Operating Temperature Range
- -60°C to +204°C / -76°F to +400°F
- Sensing Face Pressure Rating
- 2000psi / 138 bar
- Environmental Protection
- IP 66, 67 & 68 (24hrs at 30m)/ NEMA 4X & 6P
- Safety Rating
- SIL 2 / SC3
- Actuation
- Ferrous Actuated (Magnet Optional)
- Mounting Thread
- M18x1.0 (60mm/2.36" Long) c/w 2 x locknuts
- Sensing Range with Magnet
- <12mm (0.47")
- Range (ferrous target)
- 2.5mm|0.10"
- Repeatability
- Approx. 0.05mm (0.002")
- Response Time
- 8 ms
- Differential / Hysteresis
- < 0.51mm (0.020")
All of our products are also available as Ordinary Location / General Industrial.
Please select your certification and protection concept for your specific requirement from the Part Number builder below
| Document | Language |
|---|---|
| Installation and Operating Instructions |  English |
| Installation and Operating Instructions | Spanish |
| Installation and Operating Instructions | Italian |
| Installation and Operating Instructions | German |
| Installation and Operating Instructions | Russian |
| Installation and Operating Instructions | Portuguese |
