Sasol: industry on the ground
The Sasol 1 site began commissioning in 1954, Sasol 2 was completed in 1980 and Sasol 3 came on stream in 1982, so the Secunda and Sasolburg complexes combine plant of very different ages.
Sasol is a South African chemicals and energy company producing fuel components, chemicals and co-products such as ammonia, methanol and sulphur. Most gasifiers at Sasolburg have been replaced by autothermal reformers fed with natural gas piped from Mozambique, which shifts feedstock handling from coal to gas pipelines and process gas. This page sets out how an ATEX and IECEx mobile phone supply route to Sasol will work for the IS-04Z1, and what is and is not available before launch.
Pre-launch · certification in progress · Launching Q4 2026
Short answer. An ATEX and IECEx mobile phone for Sasol cannot be bought yet: the SAMS IS-04Z1 is pre-launch (certification in progress, no certificate issued), and the datasheet, certification schedule and safe-area evaluation units are available now.
Current position: certification in progress, nothing issued, launch targeted for Q4 2026. A buyer's engineering review is separate from the certificate. Certification status. Place facts reviewed October 2026.
| Check | What to look for | IS-04Z1 today |
|---|---|---|
| Marking | II 2 G Ex ib IIC T4 on the rating plate | Design target; not yet marked |
| EU-type examination certificate | Notified body number and certificate ID | In progress with TÜV; not issued |
| IECEx certificate of conformity | Number listed on the IECEx online register | In progress; not issued |
| Where it applies | Sasol: Gas processing, Coal mining operations, Synthetic fuels and chemical plants | Classified by the site operator |

An intrinsically safe Android smartphone designed for Zone 1 and Zone 21 hazardous areas in South Africa. It is pre-launch: IECEx, ATEX and NEC 500 certification is in progress ahead of the Q4 2026 launch.
Where it operates and the kinds of classified area a handset would meet there.
Sasol runs supplier applications through the Supplier Information Management (SIM) module on Ariba for suppliers working with it in South Africa and Mozambique; confirm current requirements with Sasol Supplier Management. The Ex certificate and an organisation's own vendor or engineering approval are two separate timelines; SAMS is working towards both and holds neither today.
The Sasol 1 site began commissioning in 1954, Sasol 2 was completed in 1980 and Sasol 3 came on stream in 1982, so the Secunda and Sasolburg complexes combine plant of very different ages.
Sasol Mining operates six coal mines that supply the Secunda synfuels and Sasolburg complexes, so underground coal-mine conditions sit next to chemical plant conditions inside one company.
Sasol employs over 27,000 people and has operations in 33 countries, and it was a founding member of the Fuels Industry Association of South Africa when that body launched in 1994.
Sasol mines more than 40 million tonnes of saleable coal a year, mostly as gasification feedstock for Secunda, and its Secunda collieries are described as the world's largest underground coal operation.
ATEX is the European legal framework for equipment used in explosive atmospheres (Directive 2014/34/EU). IECEx is the international certification scheme built on the IEC 60079 standards. Buyers outside Europe often ask for both: an IECEx certificate is the technical evidence most national regimes build on, while ATEX is the legal route into the European market.
For the IS-04Z1 both routes are in progress with TÜV in Germany and neither certificate has been issued. The marking target is II 2 G Ex ib IIC T4: equipment Group II (surface industry), Category 2 (Zone 1 gas), protection concept ib (intrinsic safety), gas group IIC and temperature class T4.
In Sasol. A Sasol reviewer at Secunda or Sasolburg would expect certificate evidence naming the model, marking and area, given the range of synthetic fuel, chemical and gas plants. International contractors on shutdown work may carry ATEX or IECEx papers, so a dual route helps. The IS-04Z1 programme is in progress.
Supply of the IS-04Z1 to Sasol starts only after certification, through authorised distributors. Until then a buyer can request the datasheet and the written certification schedule, and arrange a safe-area evaluation unit, which puts the site on the list for the right local channel at launch.
The technical specification, marking target and conditions of use, sent by email.
Which certificates are in progress, in what order, and what is still to be confirmed.
Evaluation units can be used for connectivity, MDM enrolment and workflow testing outside classified areas.
Tell us the site, zone, gas group and quantity so the right authorised distributor can contact you.
Not today. Until the certificates are issued the IS-04Z1 stays out of classified areas, and until launch there is nothing to purchase. You can ask for the datasheet and the certification schedule, or book a safe-area evaluation unit.
SAMS has not published a price. Any figure you are offered for an uncertified Ex phone should be treated with caution; written indicative pricing is available for a defined quantity and site.
Not yet. Both routes are in progress with TÜV in Germany and no certificate has been issued. Any listing that says otherwise is wrong.
Sasol runs supplier applications through the Supplier Information Management (SIM) module on Ariba for suppliers working with it in South Africa and Mozambique; confirm current requirements with Sasol Supplier Management.
Through authorised distributors once certificates exist. Until then SAMS can send the datasheet and certification schedule and arrange safe-area evaluation units.
Not necessarily. Underground coal mines in South Africa fall under mining safety legislation with its own approval routes, while chemical plants work to industrial classified-area practice. Confirm with Sasol Mining and with each plant which approvals and certificates it expects for portable equipment.
Both sites are on South Africa's inland Highveld, where days can be warm and winter nights cold with frost, and dust is common near mines and stockpiles. Check the device's operating temperature range, dust ingress rating and battery behaviour in cold, and ask the site about its limits.
The IS-04Z1 has IP68 protection and a 4,000 mAh battery, but cold-weather battery behaviour and the permitted temperature range will come from the final certificate and datasheet. Check them for Highveld winters. IP68 is not explosion protection, and certification is still in progress.
Other guides for Sasol, other places in South Africa, and the pages behind them.
Share the site details and quantity. You will get the datasheet and the certification schedule back by email; pricing is indicative only until launch.
Tell us the zone, gas group and operator. We will send the datasheet and the certification schedule.