Monsoon climate
Mumbai has a tropical wet and dry climate with intense rain from June to September, so outdoor devices need good water and corrosion protection.
Mumbai India · IECEx
IECEx Smartphone in Mumbai India
Mumbai has a deep natural harbour on the Konkan coast, a population of almost 12.5 million in 2011 and a metropolitan region of over 20 million. Refining, petroleum terminals and chemical plants create Zone 1 areas, and crude arrives from offshore fields such as Mumbai High. If you are specifying an IECEx smartphone for Mumbai, Maharashtra, 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 topicIECEx
DeviceSmartphone
RouteSpecification
WhereMumbai India
Short answer. The SAMS IS-04Z1 is the intrinsically safe smartphone covered here for Mumbai, Maharashtra: pre-launch, designed for Zone 1 and Zone 21 (marking target Ex ib IIC T4), with certification in progress and no certificate issued.
Where things stand: the IS-04Z1 has not launched, and none of its four certification routes has produced a certificate yet. A buyer's engineering review is separate from the certificate. Certification status. Place facts reviewed October 2026.
At a glance · IECEx
Checklist: IECEx smartphone for Mumbai, Maharashtra
| Check | What to look for | IS-04Z1 today |
|---|---|---|
| Certificate of conformity | Number checkable on the IECEx online register | In progress; not issued |
| Standards edition | The IEC 60079 edition the certificate cites | Stated on the certificate when issued |
| Schedule of conditions | Limits of use, batteries and accessories | Published with the certificate |
| Where it applies | Mumbai, Maharashtra: Refinery process units, Petroleum storage terminals, Marine oil handling | Classified by the site operator |
Product · Mumbai India
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 Mumbai India. 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 · Mumbai, Maharashtra
Working in Mumbai, Maharashtra: 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
- Bharat Petroleum
- Hindustan Petroleum
Classified areas to expect
- Refinery process units
- Petroleum storage terminals
- Marine oil handling
- Chemical plants
Local conditions · Mumbai, Maharashtra
Site conditions at Mumbai, Maharashtra: what wears and what limits equipment
Dense urban setting
The refineries sit in the Mahul-Chembur area within the metropolitan region, which Wikipedia notes is surrounded by a number of chemical plants, so site access and security controls are normally strict.
Field notes · Mumbai, Maharashtra
More about Mumbai, Maharashtra that matters for portable equipment
Mumbai, Maharashtra: rules and approvals
The Telecommunication Engineering Centre has a regional centre in Mumbai that tests telecom products and issues service test certificates.
Mumbai, Maharashtra: climate and equipment wear
The climate is tropical wet and dry, with a nearly rainless stretch from October to May and a south-west monsoon from June to September that peaks in July.
Mumbai, Maharashtra: climate and equipment wear
Mumbai is prone to flooding during monsoons, and occasionally experiences tropical cyclones, so site access and logistics can be disrupted.
Mumbai, Maharashtra: industry on the ground
Mumbai's industrialisation after the 1960s expanded petrochemicals, electronics and automobiles, and major refineries such as the Mumbai Refinery at Trombay and the BPCL refinery were established.
The term · IECEx
What “IECEx” means for a smartphone
IECEx is the international scheme for certifying equipment used in explosive atmospheres. A certificate of conformity is issued by an accredited certification body against a specific edition of the IEC 60079 standards and carries a schedule of conditions of safe use. It is not a legal requirement in most countries on its own, but many national schemes accept it as the technical basis.
The IECEx certificate for the IS-04Z1 is in progress and has not been issued. The marking target is Ex ib IIC T4, the intrinsic safety concept for Zone 1 gas with the hardest gas group (IIC) and a 135 °C temperature class.
In Mumbai, Maharashtra. Refinery projects at Mahul and Trombay involve international engineering firms alongside Indian contractors. An IECEx certificate of conformity with its schedule of conditions is a reference such firms compare across projects. SAMS is pursuing IECEx for the IS-04Z1, and nothing has been issued.
The route · specification
Specifying an IECEx smartphone for Mumbai India
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 · Mumbai India
Frequently asked questions
Can we buy an IECEx smartphone in Mumbai India 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 IECEx smartphone in Mumbai India cost?
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.
Does the IS-04Z1 hold an IECEx certificate?
No. The IECEx certificate is in progress and has not been issued. SAMS will publish the number when it exists.
Which areas at Mumbai, Maharashtra would use it?
Likely candidates are refinery process units, petroleum storage terminals, marine oil handling, chemical plants. 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 I ship equipment to Mumbai?
Jawaharlal Nehru Port is the main container port for the region, with 30 container freight stations and links to inland depots. Use an experienced freight forwarder and confirm customs documents in advance.
How does the Mumbai monsoon affect equipment and logistics?
Rain is heavy from June to September, peaking in July, and monsoon floods can disrupt roads and ports. Plan deliveries and site visits outside the peak monsoon where possible, and transport devices in waterproof cases.
What should be planned for the monsoon at Mumbai sites?
Intense rain from June to September makes water and corrosion protection important for outdoor work. A sealed IP68 design helps, but users should still check seals and dry the device. Ask the operator how outdoor handheld use is managed during heavy rain.
Related guides
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More on Mumbai India, and on other places in India.
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Intrinsically Safe Mobile Phone Distributor in Mumbai IndiaSame place, different guide
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Certification statusWhat is in progress
Enquiry · Mumbai, Maharashtra
Ask about the IS-04Z1 for Mumbai, Maharashtra, India
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 · Mumbai, Maharashtra
Launching Q4 2026
Planning for Mumbai India?
Name the site and the operator and we will send what is available before launch.