Industrial belt
The Pasir Gudang estate covers about 8,000 acres and houses petrochemical, engineering and other industries, away from the city core.
Johor Bahru · Ex-proof
Ex-Proof Mobile Phone Distributor in Johor Bahru
Johor Bahru is the state capital of Johor at the southern tip of Peninsular Malaysia, next to Singapore. Heavy industry sits at Pasir Gudang, home to Johor Port with a liquid terminal, and further east at the Pengerang complex, so Zone 1 work is outside the city centre. Distribution partners for Johor Bahru and Pasir Gudang are being identified ahead of the Q4 2026 launch 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 topicEx-proof
DeviceMobile Phone
RouteDistribution
WhereJohor Bahru
Short answer. Johor Bahru and Pasir Gudang has no appointed SAMS distributor yet: the IS-04Z1 is pre-launch (certification in progress, no certificate issued, launch planned for Q4 2026), and distributor applications are open.
Current position: certification in progress, nothing issued, launch targeted for Q4 2026. 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 Johor Bahru and Pasir Gudang
| 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 | Johor Bahru and Pasir Gudang: Refinery and petrochemical process units (Pengerang), Fuel and chemical storage, Port liquid bulk terminals | Classified by the site operator |
Product · Johor Bahru
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 Johor Bahru. 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 · Johor Bahru and Pasir Gudang
Johor Bahru and Pasir Gudang at a glance: who is there, what is classified
A short profile of the site and the kinds of classified area that matter for portable equipment.
Operators and companies on site
- Johor Port (Pasir Gudang)
- PETRONAS (Pengerang Integrated Complex)
Classified areas to expect
- Port liquid bulk terminals
- Petrochemical and oleochemical plants
- Refinery and petrochemical process units (Pengerang)
- Fuel and chemical storage
Local conditions · Johor Bahru and Pasir Gudang
What Johor Bahru and Pasir Gudang means for portable equipment
Cross-border access
The Johor-Singapore Causeway links the city to Singapore, so supply and specialist services often move between the two.
Field notes · Johor Bahru and Pasir Gudang
More about Johor Bahru and Pasir Gudang that matters for portable equipment
Johor Bahru and Pasir Gudang: rules and approvals
The city forms Zone A of Iskandar Malaysia, the country's largest special economic zone by investment value, and is part of the Johor-Singapore Special Economic Zone and the Indonesia-Malaysia-Singapore Growth Triangle.
Johor Bahru and Pasir Gudang: climate and equipment wear
Johor Bahru has an equatorial climate with steady temperatures, daily averages between about 26 and 28 degrees Celsius, high humidity all year, around 2,350 mm of rain a year and no cyclones.
Johor Bahru and Pasir Gudang: industry on the ground
Local industries include plastic manufacturing, electrical and electronics and food processing, so the city is a base for factory and warehouse work, while the heavy petrochemical sites lie further out in Johor.
Johor Bahru and Pasir Gudang: background
Rail from the city to Woodlands in Singapore was built in the 1880s and 1890s, the Peninsula railway extension finished in 1909, and the Causeway opened in 1923, so cross-border links are long established.
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 Johor Bahru and Pasir Gudang. At a port liquid bulk terminal, an oleochemical plant or a Pengerang process unit, a marking check reads zone, gas group and temperature class on the label and compares them with the plant's own classification. Petrochemical sites can involve hydrogen or ethylene, so a IIC target such as II 2 G Ex ib IIC T4 would be checked.
The route · distribution
Distributing the IS-04Z1 in Johor Bahru
Distribution of the IS-04Z1 is by authorised partners only, and SAMS has not yet granted a territory for Johor Bahru and Pasir Gudang. Each application is reviewed on its merits. Because opening a certified Ex handset in an ordinary workshop invalidates its certificate, the partner must be able to support and service the device locally.
What SAMS looks for in a partner
- Operator relationships
- Existing supplier registrations or a clear route to them with the main operators and contractors in Johor Bahru and Pasir Gudang.
- Ex-competent staff
- People who understand zone classification, markings and the conditions of a certificate.
And equally important
- Local-language support
- Documentation, training and helpdesk in the languages the workforce uses.
- Service capability
- Spares, battery replacement and repair routed through SAMS-approved channels.
Questions · Johor Bahru
Frequently asked questions
Can we buy an Ex-proof mobile phone in Johor Bahru 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 Ex-proof mobile phone in Johor Bahru cost?
No price is published. While certification is in progress there is no list price and no committed lead time, and a supplier quoting a firm figure for an uncertified Ex handset is promising something it cannot stand behind. Indicative pre-launch pricing is issued in writing against a stated 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 Johor Bahru and Pasir Gudang would use it?
Likely candidates are port liquid bulk terminals, petrochemical and oleochemical plants, refinery and petrochemical process units (pengerang), fuel and chemical storage. Which areas are classified, and to what zone, is set by the site operator's own area classification drawings.
How do I become a SAMS distributor for Johor Bahru and Pasir Gudang?
Apply through the distributor page with your company details and the territory you cover. SAMS reviews applications company by company and has not yet granted a territory for Johor Bahru and Pasir Gudang.
How does Johor Bahru's climate affect handheld devices outdoors?
An equatorial climate with high humidity, around 2,350 mm of rain a year and steady warm temperatures means moisture ingress and condensation are the main concerns. Devices typically need good sealing and cleaning routines, subject to the plant's rules.
Is Johor Bahru a good base for supplying Singapore and Johor sites?
Its position beside Singapore, the Iskandar special economic zone and the Causeway make cross-border supply practical, though customs procedures and border queues apply. Confirm duty treatment, radio type approval and site gate requirements with your freight agent.
Are Pasir Gudang and Pengerang the same site rules?
No. Pasir Gudang is an industrial estate with a port and many plants, while Pengerang is a separate complex east of Johor Bahru. Each operator sets its own procurement, HSE and classification rules, so ask the specific plant for its requirements.
Related guides
Keep exploring
More on Johor Bahru, and on other places in Malaysia.
Rugged Mobile Phone Distributor in Johor BahruSame place, different guide
Industrial Mobile Phone Distributor in Johor BahruSame place, different guide
IECEx Mobile Phone Distributor in Johor BahruSame place, different guide
Hazardous Area Mobile Phone in Johor BahruSame place, different guide
ATEX and IECEx Mobile Phone in Johor BahruSame place, different guide
Explosion-Proof Mobile Phone in Johor BahruSame place, different guide
Malaysia market guideCertification route and regulators
All guides for MalaysiaEvery route we cover
Certification statusWhat is in progress
Enquiry · Johor Bahru and Pasir Gudang
Ask about the IS-04Z1 for Johor Bahru and Pasir Gudang, Malaysia
Tell us what you need to equip and where. The SAMS team answers by email with the datasheet and where each certification route stands.
Enquiry · Johor Bahru and Pasir Gudang
Launching Q4 2026
Planning for Johor Bahru?
Send the zone and gas group of your site and we will reply with the datasheet and schedule.