Port scale
Busan handled 24.4 million TEU in 2024 and is managed by the Busan Port Authority.
Busan · Ex-proof
Ex-Proof Mobile Phone Distributor in Busan
Busan is South Korea's busiest port and its second most populous city, at the mouth of the Nakdong River. Shipbuilding and ship repair are key local industries, so Zone 1 conditions arise in yards, fuel and chemical storage and cargo handling. An Ex-proof mobile phone distributor in Busan would carry the IS-04Z1 to these buyers once certification completes.
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
WhereBusan
Short answer. Busan 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 Busan
| 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 | Busan: Fuel and chemical storage, Port cargo handling, Vessel tank spaces | Classified by the site operator |
Product · Busan
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 Busan. 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 · Busan
Busan: where the IS-04Z1 would work
Who operates there and which kinds of classified area a handset would meet, from the SAMS site research.
Operators and companies on site
- HJ Shipbuilding & Construction
Classified areas to expect
- Vessel tank spaces
- Ship repair yards
- Fuel and chemical storage
- Port cargo handling
Local conditions · Busan
Conditions in Busan that affect handheld equipment
Shipyards
HJ Shipbuilding & Construction, formerly Hanjin Heavy Industries, is based at Yeongdo-gu in Busan.
Field notes · Busan
More about Busan that matters for portable equipment
Busan: background
The city's economy is about 76 percent services and 17 percent manufacturing, as the older manufacturing base has declined with the shift towards high-tech industry around Seoul.
Busan: logistics and access
Busan has South Korea's busiest port and the sixth busiest in the world, which handled 21.81 million container units in 2020, so equipment shipments can usually be arranged through frequent services.
Busan: geography and layout
The densest areas lie in narrow valleys between the Nakdong and Suyeong rivers, with mountains separating most districts, so industrial and port zones are spread along the coast rather than in one block.
Busan: infrastructure
The container terminal has 43 berths, 20 at the North Port and 23 at Busan New Port, which is described as a gateway to the Eurasian continent and a key point on the Maritime Silk Road.
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 Busan. Zone 1 conditions arise in vessel tank spaces, ship repair yards, fuel and chemical storage and port cargo handling. A marking check would compare the label's gas group and temperature class with the product or cargo in question. The IS-04Z1 target marking is II 2 G Ex ib IIC T4, not yet issued.
The route · distribution
Distributing the IS-04Z1 in Busan
SAMS is appointing authorised distributors ahead of the Q4 2026 launch. No territory has been granted for Busan yet and applications are reviewed company by company. Because a certified Ex device cannot be opened by an ordinary phone workshop without invalidating its certificate, SAMS looks for partners who can provide competent technical support and after-sales service 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 Busan.
- 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 · Busan
Frequently asked questions
Can we buy an Ex-proof mobile phone in Busan 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 Busan 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 Busan would use it?
Likely candidates are vessel tank spaces, ship repair yards, fuel and chemical storage, port cargo handling. 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 Busan?
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 Busan.
Are there language or workforce factors for foreign contractors in Busan?
Korean is the working language at most sites, though the port area is used to foreign crews and visitors. Plan interpreters or Korean-language safety materials for local staff, and check that device interfaces and instructions can be provided in Korean.
Which types of site around Busan involve classified areas?
Port tank terminals, ship repair and shipbuilding yards, and industrial plants in the wider south-east region can all have gas or vapour areas. Each operator sets its own zones and permits, so ask for classification drawings and portable-device policy.
Which regulators are relevant to hazardous-area work in Busan?
Busan Port Authority manages the port and the Korea Occupational Safety and Health Agency (KOSHA) covers workplace safety. SAMS does not hold any approval from either. Ask the yard or terminal which rules it applies, and confirm with the site operator.
Related guides
Keep exploring
Related guides for Busan and for South Korea.
ATEX and IECEx Mobile Phone in BusanSame place, different guide
Industrial Mobile Phone Distributor in BusanSame place, different guide
Explosion-Proof Mobile Phone Distributor in BusanSame place, different guide
Rugged Mobile Phone Distributor in BusanSame place, different guide
IECEx Mobile Phone in BusanSame place, different guide
Hazardous Area Mobile Phone in BusanSame place, different guide
ATEX and IECEx Mobile Phone Distributor in PohangElsewhere in South Korea
ATEX and IECEx Mobile Phone Distributor in DaesanElsewhere in South Korea
ATEX and IECEx Mobile Phone Distributor in YeosuElsewhere in South Korea
ATEX and IECEx Mobile Phone Distributor in IncheonElsewhere in South Korea
South Korea market guideCertification route and regulators
All guides for South KoreaEvery route we cover
Certification statusWhat is in progress
Enquiry · Busan
Ask about the IS-04Z1 for Busan, South Korea
Send the site, zone and gas group and roughly how many handsets. We reply by email with the datasheet and the certification schedule.
Enquiry · Busan
Launching Q4 2026
Planning for Busan?
Send the zone and gas group of your site and we will reply with the datasheet and schedule.