Marking your site will recognize
The ATEX marking target is II 2 G Ex ib IIC T4, and the Class I Division 1 listing is pursued on the same basis. IIC maps to NEC Groups A and B, above Group D.
United States · Class I Division 1 · NEC 500
Explosion proof phone for the USA: Class I Division 1 work
The IS-04Z1 is built for people who work inside classified locations at American refineries, gas plants, terminals and wellsites, and for the HSE and IT teams who decide what goes through the gate. It is pre-launch: the NEC 500 Class I Division 1 program and its NRTL listing are in progress ahead of a Q4 2026 launch. Often searched for as an “explosion proof phone”, the IS-04Z1 uses intrinsic safety as its protection concept.
Launching Q4 2026 · NEC 500 Class I Division 1 and NRTL listing in progress
Local approvalNEC 500 · NRTL listingClass I Division 1 · in progress
AvailabilityQ4 2026via authorised distributors
United States
NEC 500 · NRTL listing
IECEx
ATEX 2014/34/EUNEC 500 Class I Div 1IP68Zone 1 / Zone 21
Android 16
Qualcomm Snapdragon
NEC 500 · NRTL listingIECExATEX 2014/34/EUNEC 500 Class I Div 1IP68Zone 1 / Zone 21Android 16Qualcomm SnapdragonWhere it works · United States
Where the IS-04Z1 is meant to work
Demand concentrates in a few regions, and each loads a handset differently: the Permian dispersed and hot, the Gulf Coast dense and continuous.
Operators and contractors such as ExxonMobil, Chevron and Shell USA need an explosion proof mobile phone they can carry into classified areas at Permian Basin, Houston Ship Channel and Beaumont and Port Arthur. The IS-04Z1 is designed for Zone 1 and Zone 21 duty there.
Operators, EPCs and contractors
- ExxonMobil
- Baytown and Beaumont complexes, Permian acreage
- Chevron
- Permian operations, Pascagoula refinery, Anchor deepwater
- Shell USA
- Mars and Ursa hubs, Vito and Whale platforms
- bp America
- Thunder Horse, Whiting refinery, Kaskida development
- ConocoPhillips
- Permian and Eagle Ford, Alaska North Slope
- Marathon Petroleum
- Galveston Bay and Garyville refineries, MPLX midstream
- Phillips 66
- Sweeny and Bayway refining, NGL fractionation
- Motiva
- Port Arthur, the largest US refinery
- Cheniere Energy
- Sabine Pass and Corpus Christi liquefaction
- Bechtel, Fluor and KBR
- EPC crews building and turning around the above
Industrial areas and sites
- Permian Basin
- Midland and Delaware sub-basins, the largest US oil region
- Houston Ship Channel
- Baytown, Deer Park and Pasadena refining and chemicals
- Beaumont and Port Arthur
- Motiva, ExxonMobil and Valero refining on the Sabine
- Lake Charles and Calcasieu
- Refining, chemicals and LNG export in Louisiana
- Baton Rouge corridor
- Refining and chemical plants toward Plaquemine
- Corpus Christi
- Refining, crude export docks and LNG trains
- Appalachian basin
- Marcellus and Utica processing across three states
- Williston Basin
- North Dakota wellpads, gas plants and rail loading
- Alaska North Slope
- Prudhoe Bay, Kuparuk and Alpine facilities
- Deepwater Gulf of Mexico
- Mars, Ursa, Thunder Horse, Appomattox and Anchor
Built for local conditions
Built for American operating conditions
Six questions come up in the first ten minutes of every US conversation. Here is where the design answers them.
For evaluators in United States, the IS-04Z1 explosion proof mobile phone is designed around these points: Marking your site will recognize; Heat, cold and weather; Combustible dust, not just gas; Shifts on dispersed sites; Gloves, one hand, a record; Contractor turnover.
IP ratingIP68
Battery4,000 mAh
Camera50 MP
OSAndroid 16
Heat, cold and weather
A Permian wellpad in August and a North Dakota gas plant in January are two ends of one fleet. Construction is IP68 sealing and a rugged build.
Combustible dust, not just gas
Class II locations get missed when a fleet is specified for gas alone. The Zone 21 design target covers dust: sulfur handling, coal transfer, solids charging.
Shifts on dispersed sites
Pumper routes and compressor stations put hours between charging points. A 4,000 mAh battery, a Qualcomm Snapdragon octa-core platform and four-constellation GNSS suit a shift away from the truck.
Gloves, one hand, a record
FR gloves and a fixed ladder leave one hand free. The 50 MP PDAF camera and NFC capture an asset tag or a defect where it is found.
Contractor turnover
High turnover is normal in the basins and through turnaround season. Android 16 with EMM and MDM re-enrolls a device to a new crew, restricts the app set and wipes it remotely.
Approvals in United States
Certification programme ahead of Q4 2026 launch.
OSHA requires equipment in a classified location to be approved by a Nationally Recognized Testing Laboratory, so the NRTL mark on the label is what a safety officer checks at the gate.
In progress
NEC 500 · NRTL listing
National conformity for United StatesClass I Division 1 · in progressIn progress
IECEx
International Electrotechnical CommissionZone 1 · Zone 21 · Gas · DustIn progress
ATEX
EU Directive 2014/34/EUII 2 G Ex ib IIC T4In progress
NEC 500
National Electrical CodeClass I Div 1 · North AmericaRegulatory route · United States
What your HSE and procurement teams will ask for.
What your HSE and procurement teams ask for starts with the code. Hazardous locations are classified under the National Electrical Code, and the Division system, Class I Division 1 for gas and Class II Division 1 for combustible dust, is what most American sites still specify, even though NEC 505 and 506 also permit the international Zone system. Certification is done by a Nationally Recognized Testing Laboratory, and UL, FM Approvals and CSA are the marks buyers recognize.
The listing is not a formality. OSHA requires electrical equipment used in the workplace to be approved, which in practice means NRTL-listed, so the mark on the back of the handset is what the gate check looks for. Two approvals sit alongside it: FCC equipment authorization before any radio device is sold here, and MSHA permissibility under 30 CFR Part 23, which governs underground coal instead of the NEC. This program covers the NEC and FCC routes, not MSHA.
Use cases · United States
Where the IS-04Z1 explosion proof mobile phone goes to work.
Typical Zone 1 and Zone 21 duty for the IS-04Z1 explosion proof mobile phone in United States includes: Turnaround inside a Gulf Coast unit; Lease operator routes in the Permian; Compressor stations and export trains; Deepwater Gulf host facilities.
Refining01
Turnaround inside a Gulf Coast unit
A coker turnaround at a Ship Channel or Port Arthur refinery puts hundreds of people inside one classified footprint on overlapping permits. A listed phone lets a supervisor confirm an isolation and reach a planner without walking out to the safe area.
Upstream02
Lease operator routes in the Permian
A lease operator covers a long route of wellpads and tank batteries in a day, much of it out of easy radio range. GNSS, LTE and a full-shift battery keep a lone worker locatable, and a photograph of a leaking stuffing box becomes a work request on the spot.
LNG and midstream03
Compressor stations and export trains
Appalachian gas processing and Gulf Coast liquefaction share a pattern: small crews, large classified footprints, contractors who rotate. A managed handset gives operations one device for voice, checklists and photographic evidence, locked down by the operator.
Offshore04
Deepwater Gulf host facilities
On a deepwater platform, personnel on board is capped and a failed device waits for the next flight. IP68 and rugged build, platform Wi-Fi where there is no cellular signal, and Bluetooth pairing to gas detection are what the environment demands.
How to buy · United States
How to evaluate and buy in the United States
Nothing sells into a classified location before the listing issues, so the pre-launch process is about evidence and evaluation.
- 01
Send the location and its classification
Give us the class, division and group for the areas the fleet has to cover, the user count, and whether devices are operator-owned or contractor-issued.
- 02
Take the datasheet and certification schedule
You get the current technical datasheet plus a written schedule of the certifications being pursued, with the status of each. Nothing is complete until the certificate exists.
- 03
Book an evaluation unit or take a pilot place
Evaluation units go to sites that will test them properly. Pilot places are being allocated across refining, upstream and midstream ahead of the Q4 2026 launch.
- 04
Agree supply through a distributor or direct
Hazardous-area devices normally reach a US site through industrial safety distributors. North American distribution is being appointed, with direct supply to national accounts where that suits you.
Questions · United States
Frequently asked questions
Asking about a site in United States?
Send your site, zone and gas group, and we will answer for your plant rather than in general.
Ask about United States →Is the IS-04Z1 Class I Division 1 approved today?
No. It is designed for Class I Division 1 and Zone 1 duty and the certification program is in progress ahead of the Q4 2026 launch. Until an NRTL certificate exists we will not call it listed.
Which NRTL will list it?
It is pursued through the recognized route for intrinsically safe handheld equipment. When the certificate issues we publish the laboratory, the mark, the file number and the conditions of safe use, so your safety officer can verify it.
Can it be used in an underground coal mine?
No. Underground coal falls under MSHA, where telephones and signaling devices need permissibility under 30 CFR Part 23, a scheme separate from the NEC and not part of this program. Surface mining under OSHA is in scope.
Does it work offshore in the Gulf of Mexico?
It is designed for that duty: Class I Division 1 and Zone 1 gas areas, IP68 and rugged build, Wi-Fi and Bluetooth where cellular coverage stops, and enterprise management for a rotating crew. Confirm your operator and BSEE requirements alongside the listing.
Will it have FCC authorization, and is there a Spanish interface?
FCC equipment authorization is part of the launch program and is required before the device can be sold or operated here; band support is confirmed in the datasheet at launch. Android 16 carries full Spanish interface support.
When can we order, and at what price?
Launch is Q4 2026. Until then you can register interest, request the datasheet, book an evaluation unit or take a pilot place. Pre-launch pricing is on request once we know fleet size and supply route.
Enquiry · United States
Ask about the IS-04Z1 for United States
Tell us the site, the zone and gas group, and roughly how many handsets. The SAMS team replies by email with the datasheet and the certification schedule for United States. The IS-04Z1 is pre-launch and certification is in progress, so there is no list price yet; indicative pricing is issued in writing against a stated quantity and site.
Enquiry · United States
Distribution · United States
Distribution partners wanted across North America
SAMS Mobile is appointing distribution for the United States ahead of the Q4 2026 launch, with priority on partners already serving industrial safety accounts on the Gulf Coast, in the Permian and across Appalachia.
- Regional office
- United States (partner)
- Languages
- English · Spanish
- info@sams-mobile.com
- Registered
- United Kingdom
Industries and operators · United States
Industries and operators we cover.
Go deeper with the IS-04Z1: explosion proof phone for LNG & Midstream; explosion proof phone for Oil & Gas; explosion proof phone for Refining & Chemicals; explosion proof phone for Cheniere Energy; explosion proof phone for Chevron; explosion proof phone for ExxonMobil; explosion proof phone for Motiva.
Find your route
Ex phone guides for United States
Buyers look for the IS-04Z1 in United States in different ways. Each guide below answers one buyer search honestly: what the term means, the route to buy, and where certification stands today.
ATEX and IECEx Mobile Phone in United StatesGuide
IECEx Smartphone Distributor in United StatesGuide
Explosion-Proof Cell Phone Supplier in United StatesGuide
Intrinsically Safe Mobile Phone in United StatesGuide
Hazardous Area Smartphone Distributor in United StatesGuide
Industrial Cell Phone Supplier in United StatesGuide
Ex-Proof Mobile Phone in United StatesGuide
Rugged Smartphone Distributor in United StatesGuide
ATEX and IECEx Mobile Phone Distributor in Baton RougeGuide
ATEX and IECEx Mobile Phone Distributor in Baytown RefineryGuide
ATEX and IECEx Mobile Phone Distributor in Beaumont TexasGuide
ATEX and IECEx Mobile Phone Distributor in Corpus ChristiGuide
See all 561 guides for United StatesEvery route we cover