EU product rules
Under the Windsor Framework, relevant EU product rules apply in Northern Ireland, so equipment is typically CE marked, with UKNI added where a UK notified body is used.
The Belfast yard has sea access through the Victoria Channel with no locks or height restrictions, 24-hour ISPS-approved security, and two airports close by: George Best Belfast City five minutes away and Belfast International under 30 minutes. Zone 1 work arises at power stations, gas transmission assets and fuel storage. This page explains what to look for in an Ex-proof mobile phone for Northern Ireland, and where the IS-04Z1 stands against that list today.
Pre-launch · certification in progress · Launching Q4 2026
Short answer. The SAMS IS-04Z1 is the intrinsically safe smartphone covered here for Northern Ireland: 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.
| Check | What to look for | IS-04Z1 today |
|---|---|---|
| Ex marking | Group, category, protection concept, gas group, temperature class | II 2 G Ex ib IIC T4 (target) |
| Gas group | IIA, IIB or IIC matched to the area drawing | IIC (target) |
| Temperature class | T-class below the ignition temperature of the gas | T4, 135 °C (target) |
| Where it applies | Northern Ireland: Gas-fired power station fuel systems, Gas transmission pipeline assets, Gas pressure reduction sites | Classified by the site operator |

An intrinsically safe Android smartphone designed for Zone 1 and Zone 21 hazardous areas in Northern Ireland. It is pre-launch: IECEx, ATEX and NEC 500 certification is in progress ahead of the Q4 2026 launch.
Who operates there and which kinds of classified area a handset would meet, from the SAMS site research.
Under the Windsor Framework, relevant EU product rules apply in Northern Ireland, so equipment is typically CE marked, with UKNI added where a UK notified body is used.
Ballylumford, owned by EP UK Investments since 2019, is the region's largest power station and runs on natural gas. Coolkeeragh near Derry is a 400 MW gas-fired plant owned by ESB.
The electricity grid is operated by SONI and run by Northern Ireland Electricity, connected to the Republic by interconnectors of up to 1,200 MW and to Great Britain by the 500 MW Moyle interconnector.
Machinery and equipment manufacturing, food processing, textile and electronics manufacturing are the leading industries, concentrated mostly in the eastern parts of Northern Ireland around Belfast.
Key industries in 2024 include aerospace, agriculture, construction, engineering, health technology and manufacturing, and engineering is the largest manufacturing sub-sector, particularly aerospace and heavy machinery.
The Harland and Wolff shipyard in the Port of Belfast has two of Europe's largest drydocks, with a main dock of 556 m by 93 m, and is licensed for vessel repair and open grit blasting.
“Ex-proof” is shorthand for equipment carrying an explosion-protection marking (the Ex mark) that matches the area it enters. The marking states the protection concept, gas or dust group and temperature class, and it must be backed by a certificate issued by a recognised body, so a phone described as Ex-proof should come with a certificate number you can check.
The IS-04Z1 is designed to carry the marking II 2 G Ex ib IIC T4. That is a target: certification is in progress, no certificate has been issued, and SAMS will publish the certificate numbers when they exist.
In Northern Ireland. A marking check at a gas-fired station or pressure reduction site would concentrate on natural gas, which is normally in a lower gas group than hydrogen, so IIC marking is conservative. The operator's zone map sets the requirement. The IS-04Z1 target marking is II 2 G Ex ib IIC T4, still pending certification.
A short checklist for anyone writing or reviewing the specification, with the IS-04Z1 status against each point.
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.
There is no list price yet. SAMS gives indicative pre-launch pricing in writing, against a stated quantity and site, and does not commit to a lead time before certification completes.
The marking target is II 2 G Ex ib IIC T4. It becomes a marking only when the certificate is issued; until then it is a design target.
Likely candidates are gas-fired power station fuel systems, gas transmission pipeline assets, gas pressure reduction sites, fuel storage. Which areas are classified, and to what zone, is set by the site operator's own area classification drawings.
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.
Goods moving between Great Britain and Northern Ireland pass through post-Brexit customs arrangements, which can add paperwork and lead time. For urgent site equipment, plan stock holding in Northern Ireland or the Republic and confirm the current import documentation with your freight forwarder.
Northern Ireland has a mild but wet and windy climate, with frequent rain and salt air near the coast, so sealing, corrosion resistance and condensation tolerance matter more than extreme temperature ratings. Check ingress protection and gasket quality, and ask the site about its own requirements.
Under the Windsor Framework, relevant EU product rules apply in Northern Ireland, so equipment is typically CE marked, with UKNI added where a UK notified body is used. Because rules can change, confirm the current position with the site operator and HSENI guidance.
More on Northern Ireland, and on other places in United Kingdom.
Share the site details and quantity. You will get the datasheet and the certification schedule back by email; pricing is indicative only until launch.
Send the zone and gas group of your site and we will reply with the datasheet and schedule.