Singapore: rules and approvals
An IMDA equipment registration is valid for five years, renewal is filed through the GoBusiness portal at least two months before expiry, and suppliers must keep test reports and technical files for five years.
The IS-04Z1 is an intrinsically safe Zone 1 and Zone 21 handset for people who work inside classified areas on Jurong Island, at Pulau Bukom and around the Tuas terminals: process operators, inspection and maintenance engineers, turnaround crews and the WSH and IT teams who equip them. This page sets out how an Ex-proof mobile phone supply route to Singapore will work for the IS-04Z1, and what is and is not available before launch.
Pre-launch · certification in progress · Launching Q4 2026
Short answer. An Ex-proof mobile phone for Singapore cannot be bought yet: the SAMS IS-04Z1 is pre-launch (certification in progress, no certificate issued), and the datasheet, certification schedule and safe-area evaluation units are available now.
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.
| 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 | Singapore: Jurong Rock Caverns, Tuas, Jurong Island | Classified by the site operator |

An intrinsically safe Android smartphone designed for Zone 1 and Zone 21 hazardous areas in Singapore. It is pre-launch: IECEx, ATEX and NEC 500 certification is in progress ahead of the Q4 2026 launch.
The classified areas, operators and sites below are the ones covered in the SAMS Singapore market guide.
An IMDA equipment registration is valid for five years, renewal is filed through the GoBusiness portal at least two months before expiry, and suppliers must keep test reports and technical files for five years.
Tuas Port opened on 1 September 2022 and is planned to reach 65 million TEU of annual handling capacity in the 2040s, which concentrates future cargo flows in the far west of the island.
Energy and chemicals is Singapore's second-largest manufacturing sector, with more than 100 global chemicals companies operating here, which keeps a steady flow of maintenance and turnaround work in classified areas.
Singapore adopts the IEC 60079 series as SS EN 60079, and area classification drawings are expected for dangerous-goods premises and Major Hazard Installations, so a zone drawing is the starting point for equipment selection.
“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 Singapore. A marking check in Singapore turns on gas group. Hydrogen and acetylene (IIC) are handled on Jurong Island alongside ethylene oxide (IIB), so a device marked only IIB is unusable on parts of the island. The target II 2 G Ex ib IIC T4 is read against that, with Zone 21 evidence for powder and cement.
Nothing can be bought for Singapore today: the IS-04Z1 is pre-launch, and SAMS will supply end users through authorised distributors once certificates exist. What a buyer can do now is take the specification, ask for the written certification schedule and arrange a safe-area evaluation, so that the right local channel contacts you at launch.
The technical specification, marking target and conditions of use, sent by email.
Which certificates are in progress, in what order, and what is still to be confirmed.
Evaluation units can be used for connectivity, MDM enrolment and workflow testing outside classified areas.
Tell us the site, zone, gas group and quantity so the right authorised distributor can contact you.
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.
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.
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.
The market guide for Singapore covers Jurong Island, Pulau Bukom, Seraya and Merbau, Pulau Sebarok and Pulau Busing, among others. Site-level pages are linked below.
Through authorised distributors once certificates exist. Until then SAMS can send the datasheet and certification schedule and arrange safe-area evaluation units.
Singapore adopts IEC 60079 as SS EN 60079, and both IECEx and ATEX certificates are built on that technical base. Many operators accept either, but an individual refinery or yard may name one scheme in its specification, so confirm with the operator's HSE or instrumentation team.
Cellular mobile devices are generally registered with IMDA under the Simplified Equipment Registration route, which relies on a supplier's declaration of conformity. The registration is valid for five years, and the registering supplier is typically a local entity. Confirm the exact route for a specific model with IMDA or a local compliance adviser.
The design pairs a 4,000 mAh battery with IP68 sealing so the unit lasts through a shift where a spare may be a boat away. Charging stays in a safe area. Test battery life on a typical round and confirm access rules with the island operator.
More on Singapore, and on other places in Singapore.
Tell us what you need to equip and where. The SAMS team answers by email with the datasheet and where each certification route stands.
Send the zone and gas group of your site and we will reply with the datasheet and schedule.