Switzerland: projects and investment
The Mantelerlass, passed on 29 September 2023, sets a target of 35 TWh a year from new renewable technologies by 2035, compared with about 6 TWh a year in 2022, which implies major construction work.
Switzerland · explosion proof
Explosion-Proof Mobile Phone in Switzerland
The IS-04Z1 is an intrinsically safe Android handset designed for solvent and powder atmospheres, from a production building in Basel or Visp to a loading rack at Cressier and a digester hall at a cantonal wastewater works. If you are specifying an explosion proof mobile phone for Switzerland, this page covers the markings, the approvals and the current certification status of the IS-04Z1.
Pre-launch · certification in progress · Launching Q4 2026
Marking targetEx ib IIC T4Intrinsic safety, Zone 1 / 21 design target · certification in progress
AvailabilityQ4 2026via authorised distributors
Search topicexplosion proof
DeviceMobile Phone
RouteSpecification
WhereSwitzerland
Short answer. The SAMS IS-04Z1 is the intrinsically safe smartphone covered here for Switzerland: pre-launch, designed for Zone 1 and Zone 21 (marking target Ex ib IIC T4), with certification in progress and no certificate issued.
For the record, no certificate exists for the IS-04Z1 today. The programme is under way ahead of a Q4 2026 launch. An operator's own vendor approval is a separate step. Certification status. Place facts reviewed October 2026.
At a glance · explosion proof
Checklist: explosion proof mobile phone for Switzerland
| Check | What to look for | IS-04Z1 today |
|---|---|---|
| Protection concept | Flameproof (Ex d) or intrinsic safety (Ex i) | Intrinsic safety, level ib |
| Zone suitability | Zone 1 gas and Zone 21 dust | Design target for Zone 1 and 21 |
| Certificate | Number, issuing body and schedule of conditions | In progress; not issued |
| Where it applies | Switzerland: Basel and Schweizerhalle, Visp, Monthey | Classified by the site operator |
Product · Switzerland
The product behind this search: the SAMS IS-04Z1.
SAMS IS-04Z1
An intrinsically safe Android smartphone designed for Zone 1 and Zone 21 hazardous areas in Switzerland. It is pre-launch: IECEx, ATEX and NEC 500 certification is in progress ahead of the Q4 2026 launch.
- IP68 sealed
- 4,000 mAh battery
- 50 MP camera
- Android 16
- Zone 1 / Zone 21 design target
The market · Switzerland
Where an Ex phone is used in Switzerland
Operators and classified areas drawn from the SAMS Switzerland market guide.
Operators, EPCs and contractors
- Lonza
- Visp is the largest site in its global network, in the upper Valais.
- Novartis
- Basel campus and the production site at Stein in Aargau.
- Roche
- Basel headquarters plus production and logistics at Kaiseraugst.
- Syngenta
- Crop protection production at Monthey and a production site at Kaisten.
- Cilag
- Pharmaceutical production at Schaffhausen, established there since 1936.
- CIMO
- Utilities and site services operator for the Monthey chemical site.
Industrial areas and sites
- Basel and Schweizerhalle
- Chemical and pharmaceutical cluster with the Muttenz tank farms.
- Visp
- Chemical and biotech complex in the upper Valais.
- Monthey
- Chemical site in the Chablais shared by several producers.
- Kaisten and the Fricktal
- Chemical intermediates production along the Rhine.
- Schaffhausen
- Pharmaceutical production close to the German border.
- Cressier
- Refinery and product terminal on the Neuchâtel plain.
Field notes · Switzerland
More about Switzerland that matters for portable equipment
Switzerland: background
Hydraulic power was used instead of steam in Swiss industry because of the mountainous terrain and lack of coal, which explains the concentration of hydro stations and tunnels in the Alps.
Switzerland: industry on the ground
Switzerland produces no fossil fuels and imports petroleum, so refining and bulk fuel handling is limited, while storage depots and distribution terminals are the main flammable-liquid sites.
Switzerland: logistics and access
The three Rhine ports around Basel handle about six million tonnes and over 120,000 containers a year, roughly 10% of Swiss imports and a third of the country's mineral oil products.
The term · explosion proof
What “explosion proof” means for a smartphone
“Explosion proof” is the phrase most buyers use for equipment that may be taken into a classified hazardous area. Strictly, it covers several protection concepts: a flameproof enclosure (Ex d) contains an internal explosion, while intrinsic safety (Ex i) limits electrical energy so that an ignition cannot start. Phones are normally intrinsically safe, because a flameproof handset would be too heavy to carry all shift.
The IS-04Z1 uses intrinsic safety, with a marking target of Ex ib IIC T4, and is designed for Zone 1 and Zone 21. It is pre-launch, certification is in progress and no certificate has been issued.
In Switzerland. Explosion-proof is the everyday phrase, but at a Swiss fine chemical plant the real subject is solvent atmospheres in a validated building. Flameproof Ex d suits heavy enclosures, while the IS-04Z1 uses intrinsic safety to limit the energy of a handheld, which a reviewer weighs against cleaning and airlock procedures.
The route · specification
Specifying an explosion proof mobile phone for Switzerland
A short checklist for anyone writing or reviewing the specification, with the IS-04Z1 status against each point.
Check on the paper
- Marking
- Equipment group, category, protection concept, gas group and temperature class, matched to the area drawing.
- Certificate and schedule
- A certificate number, issuing body and the schedule of conditions, not a brochure claim.
- Standards edition
- The IEC 60079 or national standard edition the certificate was issued against.
Check for the IS-04Z1
- Marking target
- II 2 G Ex ib IIC T4: a target, not yet a certificate.
- Certificate status
- IECEx, ATEX, UKEX and NEC 500 in progress; none issued.
- Operator approval
- Separate from the certificate and handled with the site operator.
Questions · Switzerland
Frequently asked questions
Can we buy an explosion proof mobile phone in Switzerland today?
Not yet. The IS-04Z1 is pre-launch and its certification is still in progress ahead of a Q4 2026 launch. No unit goes into a classified area before the certificate covering it exists. The datasheet, the certification schedule and safe-area evaluation units are available now.
What does an explosion proof mobile phone in Switzerland cost?
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.
Is the IS-04Z1 explosion proof or intrinsically safe?
It is intrinsically safe (marking target Ex ib IIC T4), which is the usual way to make a phone for hazardous areas. It is not a flameproof (Ex d) design, and certification is still in progress.
Which sites in Switzerland does this cover?
The market guide for Switzerland covers Basel and Schweizerhalle, Visp, Monthey, Kaisten and the Fricktal, among others. Site-level pages are linked below.
Is intrinsically safe the same as explosion proof?
Not exactly. Explosion proof is a broad everyday term; intrinsic safety is one protection concept, which limits energy so ignition cannot occur. Flameproof (Ex d) is a different concept that contains an explosion. The IS-04Z1 is intrinsically safe by design.
Does Switzerland accept ATEX certified devices?
Switzerland is not an EU member, but it generally aligns its equipment rules with European requirements, so ATEX-marked devices are commonly accepted. Confirm the current requirement and any Swiss conformity marking with the site operator or your importer before ordering.
What language should device documents be in for Swiss sites?
German, French and Italian are all national languages depending on the canton, and many industrial sites also work in English. Ask the operator which language it requires for instructions and certificates, and provide the declaration of conformity together with the Ex marking details.
Can the IS-04Z1 be wiped down in a Swiss pharmaceutical building?
IP68 sealing and a rugged build are aimed at a cleaned plant rather than a rained-on one, but your cleaning agents and routine must be checked. Test a unit with your own procedure and confirm compatibility with the site's validation team.
Related guides
Keep exploring
Related guides for Switzerland and for Switzerland.
Rugged Mobile Phone Distributor in SwitzerlandSame place, different guide
ATEX and IECEx Mobile Phone Distributor in SwitzerlandSame place, different guide
Intrinsically Safe Mobile Phone Distributor in SwitzerlandSame place, different guide
Ex-Proof Mobile Phone Distributor in SwitzerlandSame place, different guide
IECEx Mobile Phone in SwitzerlandSame place, different guide
Hazardous Area Mobile Phone Supplier in SwitzerlandSame place, different guide
Switzerland market guideCertification route and regulators
All guides for SwitzerlandEvery route we cover
Certification statusWhat is in progress
Enquiry · Switzerland
Ask about the IS-04Z1 for Switzerland
Share the site details and quantity. You will get the datasheet and the certification schedule back by email; pricing is indicative only until launch.
Enquiry · Switzerland
Launching Q4 2026
Planning for Switzerland?
Name the site and the operator and we will send what is available before launch.