Port and yards
Tuas Port has operated since 2022 with 14 berths and is due to reach 18 by 2027; Seatrium's headquarters yard is at 80 Tuas South Boulevard.
Tuas Industrial Zone · Ex-proof
Ex-Proof Mobile Phone in Tuas Industrial Zone
Tuas is mostly industrial with few homes, so workers live in basic residential blocks at Benoi Sector and Pioneer Road or travel in from other parts of Singapore. Classified areas arise mainly at shipyards, dangerous-goods chemical handling and process plants. This page explains what to look for in an Ex-proof mobile phone for Tuas, and where the IS-04Z1 stands against that list today.
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 topicEx-proof
DeviceMobile Phone
RouteSpecification
WhereTuas Industrial Zone
Short answer. The SAMS IS-04Z1 is the intrinsically safe smartphone covered here for Tuas: 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. Operator approval runs on its own timeline. Certification status. Place facts reviewed October 2026.
At a glance · Ex-proof
Checklist: Ex-proof mobile phone for Tuas
| 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 | Tuas: Shipyard and drydock work, Dangerous-goods chemical blending and storage, Fabrication and coating shops | Classified by the site operator |
Product · Tuas Industrial Zone
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 Tuas Industrial Zone. 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 site · Tuas
Working in Tuas: operators and classified areas
The companies on site and the hazardous-area types a handset is likely to meet there.
Operators and companies on site
- Seatrium (Tuas Boulevard Yard)
- PSA Singapore (Tuas Port)
Classified areas to expect
- Shipyard and drydock work
- Dangerous-goods chemical blending and storage
- Fabrication and coating shops
Local conditions · Tuas
Site conditions at Tuas: what wears and what limits equipment
Industrial use
Tuas was resettled in the 1970s and developed for industry; heavy industry is present, though less than on Jurong Island.
Field notes · Tuas
More about Tuas that matters for portable equipment
Tuas: who works there
Seatrium's Tuas Yard at 51 Pioneer Sector 1 and its Tuas Boulevard Yard at 80 Tuas South Boulevard operate in the area, with the latter also hosting FPSO construction.
Tuas: infrastructure
The Malaysia-Singapore Second Link opened on 2 January 1998 via Tuas, and the AYE and PIE expressways connect Tuas to the rest of Singapore.
Tuas: background
Tuas was swamp and then a fishing village before being resettled in the 1970s and developed for industry, with land reclaimed off the coast from the 1980s and still expanding.
Tuas: logistics and access
Tuas Port opened on 1 September 2022 and will span about 1,337 hectares with 66 berths over 26 kilometres once complete, which is shifting container operations towards the far west of the island.
The term · Ex-proof
What “Ex-proof” means for a smartphone
“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 Tuas. The classified spots in Tuas are Zone 1 pockets within shipyard tanks, fuel and chemical handling areas and coating shops, not the whole zone. A marking check should compare gas group and temperature class with the specific substance on site. The IS-04Z1 target marking is II 2 G Ex ib IIC T4, not yet issued.
The route · specification
Specifying an Ex-proof mobile phone for Tuas Industrial Zone
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 · Tuas Industrial Zone
Frequently asked questions
Can we buy an Ex-proof mobile phone in Tuas Industrial Zone today?
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.
What does an Ex-proof mobile phone in Tuas Industrial Zone 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.
What Ex marking will the IS-04Z1 carry?
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.
Which areas at Tuas would use it?
Likely candidates are shipyard and drydock work, dangerous-goods chemical blending and storage, fabrication and coating shops. Which areas are classified, and to what zone, is set by the site operator's own area classification drawings.
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.
How do equipment suppliers reach Tuas sites?
By road via the AYE and PIE, and by sea to the port. Most customers are inside controlled industrial sites with their own gates, so deliveries are usually scheduled and checked in advance.
Are there dust hazards as well as gas?
Waste-to-energy and some manufacturing processes can handle combustible dusts or fine fuels, which may be classified as dust zones. Whether a given building has dust zones depends on the process; ask the operator for dust classification.
Does the Tuas Megaport change anything for device buyers?
The port began operating in 2021 and is due to be fully completed by 2040, so activity is growing. Port areas where fuel or cargo vapours occur would be classified by the operator. This page does not verify any port classification, so ask the operator directly.
Related guides
Keep exploring
Related guides for Tuas Industrial Zone and for Singapore.
ATEX and IECEx Mobile Phone in Tuas Industrial ZoneSame place, different guide
Industrial Mobile Phone in Tuas Industrial ZoneSame place, different guide
Explosion-Proof Mobile Phone Distributor in Tuas Industrial ZoneSame place, different guide
Hazardous Area Mobile Phone in Tuas Industrial ZoneSame place, different guide
Intrinsically Safe Mobile Phone Distributor in Tuas Industrial ZoneSame place, different guide
Rugged Mobile Phone in Tuas Industrial ZoneSame place, different guide
ATEX and IECEx Mobile Phone Distributor in Keppel ShipyardElsewhere in Singapore
ATEX and IECEx Mobile Phone Distributor in Jurong IslandElsewhere in Singapore
ATEX and IECEx Mobile Phone Distributor in Senoko Industrial ZoneElsewhere in Singapore
ATEX and IECEx Mobile Phone Distributor in Pulau Bukom RefineryElsewhere in Singapore
Singapore market guideCertification route and regulators
All guides for SingaporeEvery route we cover
Certification statusWhat is in progress
Enquiry · Tuas
Ask about the IS-04Z1 for Tuas, Singapore
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 · Tuas
Launching Q4 2026
Planning for Tuas Industrial Zone?
Tell us the zone, gas group and operator. We will send the datasheet and the certification schedule.