Climate
Hot, humid tropical conditions with a heavy rainy season.
Cilacap Refinery · rugged
Rugged Mobile Phone in Cilacap Refinery
As part of modernisation, Pertamina is improving management of more than 85,000 maintainable assets at RU IV, starting with a maintenance master data project to classify every item correctly. Crude distillation, cracking and storage areas are Zone 1 environments. If you are specifying a rugged mobile phone for Cilacap Refinery, Central Java, this page covers the markings, the approvals and the current certification status 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 topicrugged
DeviceMobile Phone
RouteSpecification
WhereCilacap Refinery
Short answer. The SAMS IS-04Z1 is the intrinsically safe smartphone covered here for Cilacap Refinery, Central Java: 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 · rugged
Checklist: rugged mobile phone for Cilacap Refinery, Central Java
| Check | What to look for | IS-04Z1 today |
|---|---|---|
| Ingress protection | IP65 to IP68 sealing | IP68 design |
| Drop and shock | A stated drop height onto concrete | Specification on request |
| Explosion protection | A separate certificate and marking | In progress; not issued |
| Where it applies | Cilacap Refinery, Central Java: Refinery process units, Crude and product tank farms, Marine loading facilities | Classified by the site operator |
Product · Cilacap Refinery
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 Cilacap Refinery. 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 · Cilacap Refinery, Central Java
Cilacap Refinery, Central Java: 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
- Pertamina
Classified areas to expect
- Refinery process units
- Crude and product tank farms
- Marine loading facilities
Local conditions · Cilacap Refinery, Central Java
What Cilacap Refinery, Central Java means for portable equipment
Scale
Fortune Indonesia lists Cilacap as the largest Pertamina refinery and reports it supplies about a third of national fuel demand.
Field notes · Cilacap Refinery, Central Java
More about Cilacap Refinery, Central Java that matters for portable equipment
Cilacap Refinery, Central Java: industry on the ground
The unit makes gasoline, diesel, kerosene, aviation fuel and LPG, and also asphalt and petrochemicals, so it combines liquid fuel, pressurised LPG and petrochemical hazardous areas in one complex.
Cilacap Refinery, Central Java: logistics and access
Indonesia remained a net importer of petroleum products in 2024, at about 787 thousand barrels a day or 42 percent of consumption, which keeps pressure on large refineries such as Cilacap to run reliably.
Cilacap Refinery, Central Java: geography and layout
Refinery Unit IV is in Central Java and plays a critical role in meeting domestic fuel and petrochemical needs for the island, which makes shutdowns carefully planned events.
Cilacap Refinery, Central Java: industry on the ground
Cilacap is Indonesia's largest refinery at about 348 thousand barrels a day, ahead of Balikpapan, Dumai, Musi, Balongan and Tuban, which together made up the national refining capacity of 1.15 million barrels a day at the end of 2024.
The term · rugged
What “rugged” means for a smartphone
A rugged phone is built to survive water, dust, drops and rough handling, usually rated by an IP code and a drop specification. Ruggedness is an environmental property: it says nothing about whether a phone may be used where flammable gas or dust is present. That is decided by explosion-protection certification and marking.
The IS-04Z1 combines both: an IP68 sealed rugged build and a design for Zone 1 and Zone 21 (marking target Ex ib IIC T4). The explosion-protection certificates are in progress and none has been issued.
In Cilacap Refinery, Central Java. Cilacap is hot and humid with a heavy rainy season, and the marine side adds spray. IP68 helps against rain and dust on tank farms and jetties but is not explosion protection. Ex suitability depends on certification against the zone where the device will be used.
The route · specification
Specifying a rugged mobile phone for Cilacap Refinery
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 · Cilacap Refinery
Frequently asked questions
Can we buy a rugged mobile phone in Cilacap Refinery today?
No. Nothing can be bought or taken into a classified area today: certification is in progress and launch is planned for Q4 2026. What is available now is the datasheet, the written certification schedule and evaluation units for safe-area use.
What does a rugged mobile phone in Cilacap Refinery 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.
How rugged is the IS-04Z1?
It is designed to IP68 sealing, with glove-friendly controls. Ruggedness is not explosion protection: that depends on the certificates, which are in progress.
Which areas at Cilacap Refinery, Central Java would use it?
Likely candidates are refinery process units, crude and product tank farms, marine loading facilities. 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.
What products at Cilacap create the main gas hazards?
The complex processes crude into gasoline, diesel, kerosene, aviation fuel and LPG, plus asphalt and petrochemicals. Flammable vapour from light products and pressurised LPG are the usual concerns, but the plant defines its zones, so ask for the current classification.
Why does the number of assets at Cilacap matter for safe equipment choice?
With more than 85,000 maintainable assets and an ongoing safety-critical-element review, the refinery is formalising what is classified and how it is maintained. That usually means device approvals and area classification records are checked closely, so bring documentation.
How wet does Cilacap get, and does it matter for a handset?
The climate is hot and humid with a heavy rainy season, so devices on tank farms and jetties meet rain often. Check sealing and charging arrangements. Rain protection is separate from explosion protection, so confirm the permitted device list with the operator.
Related guides
Keep exploring
Related guides for Cilacap Refinery and for Indonesia.
Ex-Proof Mobile Phone Distributor in Cilacap RefinerySame place, different guide
Intrinsically Safe Mobile Phone Distributor in Cilacap RefinerySame place, different guide
ATEX and IECEx Mobile Phone Distributor in Cilacap RefinerySame place, different guide
Industrial Mobile Phone Distributor in Cilacap RefinerySame place, different guide
IECEx Mobile Phone in Cilacap RefinerySame place, different guide
Explosion-Proof Mobile Phone in Cilacap RefinerySame place, different guide
ATEX and IECEx Mobile Phone Distributor in Dumai RefineryElsewhere in Indonesia
ATEX and IECEx Mobile Phone Distributor in Pekanbaru Oil FieldElsewhere in Indonesia
ATEX and IECEx Mobile Phone Distributor in Bontang LNGElsewhere in Indonesia
ATEX and IECEx Mobile Phone Distributor in Offshore IndonesiaElsewhere in Indonesia
Indonesia market guideCertification route and regulators
All guides for IndonesiaEvery route we cover
Certification statusWhat is in progress
Enquiry · Cilacap Refinery, Central Java
Ask about the IS-04Z1 for Cilacap Refinery, Central Java, Indonesia
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 · Cilacap Refinery, Central Java
Launching Q4 2026
Planning for Cilacap Refinery?
Name the site and the operator and we will send what is available before launch.