ES-1222
Proximity/Limit Switch | Intrinsically Safe | Low Temperature
ATEX Ex ia, IECEx Ex ia, UKEx Ex ia IIC / IIIC T4 / T6 SPCO/SPDT
Our ES series switches are highly dependable, hermetically sealed position sensors for use in the most arduous and hazardous applications. They require the use of a magnetic target to operate.
Properties
| Body Shape | Rectangular |
| Body Material | 316L Stainless Steel |
| Contact Arrangement | SPCO / SPDT (Form C) |
| Contact Material | Rhodium (Tungsten optional) |
| Dimensions | 80mm x 20mm x 25mm c/w fixing screws |
| Connection | Polyolefin Cable (Blue) |
| Conduit Entry | n/a |
| Termination | Cabled |
| Certification & Approvals | IECEx, ATEX, UKEx Ex ia |
| Hazardous Location | Zones 0 and 20 |
| Gas Group | IIC |
| Dust Group | IIIC |
| Temperature Class (T Rating) | T4 / T6 |
| Operating Temperature | -60°C to +125°C / -76°F to +257°F |
| Sensing Range with Magnet | Up to the maximum in the magnet table |
| 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 | Magnetically Actuated |





Sensing Ranges
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Sensing range depends on the magnetic target used. We have a large range of magnetic targets available. Please contact us for more information.
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Dimensions
Connections
Supplied with 2m (79") of 3 core Polyolefin Cable. Custom lengths available on request. Cable OD: 6.8mm (0.268")
Certifications & Approvals
| Certification | Compliance | Certificate No. | |
|---|---|---|---|
| ATEX | EN IEC 60079-0:2018, EN 60079-11:2012 | Baseefa14ATEX0013X | |
| CCC-Ex / NEPSI (China) | GB/T 3836.1-2021, GB/T 3836.4-2021 | 2020322304000873 | |
| IECEx | IEC 60079-0: 2017, IEC 60079-11: 2011 | IECExBAS14.0003X | |
| Safety Integrity Level (SIL) | IEC 61508:2010; SC3 ¦ SIL 2 with HFT=0 (1oo1) and SIL 3 with HFT =1 (1oo2) | FSP18015 | |
| UKEx | EN IEC 60079-0:2018, EN 60079-11:2012 | BAS21UKEX0626X |