Large concessions
Kaltim Prima holds a 90,960-hectare concession across Sangatta and Bengalon and moves coal on a 13-kilometre conveyor to its Tanjung Bara port.
Kalimantan hosts some of Indonesia's largest open-pit coal mines, including Kaltim Prima Coal at Sangatta in East Kalimantan and Adaro's Tutupan mine in South Kalimantan. Hazardous-area work centres on fuel storage, coal handling and preparation, and mine power plants. If you are specifying an industrial mobile phone for Kalimantan coal mining region, this page covers the markings, the approvals and the current certification status of the IS-04Z1.
Pre-launch · certification in progress · Launching Q4 2026
Short answer. The SAMS IS-04Z1 is the intrinsically safe smartphone covered here for Kalimantan coal mining region: 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.
| Check | What to look for | IS-04Z1 today |
|---|---|---|
| Ingress protection | IP rating for dust and water | IP68 design |
| Fleet management | EMM and MDM support | Android 16 with EMM and MDM |
| Explosion protection | A separate certificate and marking | In progress; not issued |
| Where it applies | Kalimantan coal mining region: Coal handling and preparation plants (dust, Zone 21), Fuel and lubricant storage, Mine-site power generation | Classified by the site operator |

An intrinsically safe Android smartphone designed for Zone 1 and Zone 21 hazardous areas in Kalimantan Mining. It is pre-launch: IECEx, ATEX and NEC 500 certification is in progress ahead of the Q4 2026 launch.
The companies on site and the hazardous-area types a handset is likely to meet there.
Kaltim Prima holds a 90,960-hectare concession across Sangatta and Bengalon and moves coal on a 13-kilometre conveyor to its Tanjung Bara port.
Tutupan produced an estimated 36 million tonnes in 2023 and Sangatta about 41 million tonnes, so fleets and workforces are large and contractor-heavy.
Coal bed methane reserves of about 12.8 trillion cubic metres lie mainly in Kalimantan and Sumatra, which is a reminder that methane can accompany coal seams, though development has been limited.
Indonesia's significant coal deposits are in South Sumatra, East Kalimantan and South Kalimantan, and reserves are estimated to last over 80 years at current rates of extraction.
Indonesia's coal production reached a record 836 million tonnes in 2024, up from 775 million tonnes in 2023, and the country is the world's largest coal exporter.
East Kalimantan has a dry season from May to October and a rainy season from November to April; average humidity in 2013 was between 83 and 87 percent, with temperatures ranging from about 22 to 36 degrees Celsius.
“Industrial” describes a phone built for plant conditions: sealed, drop-resistant and manageable at fleet scale through Android Enterprise. It does not by itself mean the phone may enter a classified area. Only a device with a valid explosion-protection certificate and marking may do that.
The IS-04Z1 is designed to be both an industrial Android phone (IP68, 4,000 mAh battery, 50 MP camera, Android 16 with EMM and MDM support) and an intrinsically safe one. Its explosion-protection certificates are in progress and have not been issued.
In Kalimantan coal mining region. With concessions as large as Kaltim Prima's and a conveyor moving coal to the Tanjung Bara port, fleets and workforces are large and contractor-heavy. MDM or EMM enrolment, ownership between operator and contractors and charging in safe areas need planning, plus coverage across wide sites.
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.
Yes by design: IP68 sealing, a 4,000 mAh battery, a 50 MP camera and Android 16 with EMM and MDM support. The explosion-protection certificates are separate and still in progress.
Likely candidates are coal handling and preparation plants (dust, zone 21), fuel and lubricant storage, mine-site power generation, coal loading terminals. 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.
Combustible coal dust around crushers, conveyors, stockpiles and loading, plus fuel storage and workshops. Open-pit sites typically have fewer gas risks than underground mines, but the operator defines its zones, so ask for them before using handheld devices.
Most deliveries go by sea to Balikpapan, Samarinda or Banjarmasin and then by road or barge, so allow longer lead times. Stock spare batteries and chargers and confirm customs and radio type-approval requirements with your freight agent.
Many crews share devices and sites, so enrolment, ownership and return procedures matter. Heat, humidity and dust affect battery and seals. Charge only in safe areas. Check the operator's approved-vendor list before purchase. Confirm the current process with the site operator.
More on Kalimantan Mining, and on other places in Indonesia.
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.