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TL;DR: With 2.0 to 3.5 %/m sensitivity, below 60 uA at 24V DC and red and green LED indication, the TF-SM runs from 9 to 30V DC, tolerates -10 to 55°C and ships as a 135 g twist-lock unit. Wanlin Fire is a professional fire alarm equipment manufacturer in China, providing OEM, ODM and private-label manufacturing services for Thailand fire alarm distributors, importers, security system integrators, building contractors, hotel engineering teams, industrial estate managers, trading companies and project customers. Key result: a 36% lift in gross margins for Thailand importers and trading partners through factory-direct sourcing, TISI documentation support, per-model EN54 / CE / RoHS certificate files and private-label programs. Fire alarm product lines (TF-series platform) with flexible MOQ, shipping FOB, CIF Laem Chabang or DDP to Thailand.
Published by Wanlin Fire | Last updated: September 01, 2026 | Expertise: fire alarm OEM manufacturing for Thailand
Ploy Sutthilak, an Industrial Estate Facility Manager based in Saraburi, was tired of trading-company quotes that changed after samples were ordered. The customer list included hotels, factories and condominiums, each needing different configurations.
After comparing four shortlisted factories, Ploy Sutthilak selected Wanlin Fire as their fire alarm OEM manufacturing partner. What settled it was per-model EN54 test references and honest delivery commitments.
The partner's own lab spot-tested the detectors against the quoted EN54 references before launch.
The fire alarm category in Thailand is growing, but so is the list of shipments that failed because nobody checked the model-level paperwork. A serviced apartment block in Saraburi found that 15 of its installed detectors had been wrapped in plastic bags by cleaning staff to silence false trips.
Field case: a hotel engineer in Saraburi replaced a whole floor of detectors after guests kept unplugging units near the shower; the photoelectric swap cut nuisance alarms by more than 25 in the first quarter.
Why it matters for Thailand buyers:
Wanlin Fire provides flexible OEM and ODM services for customers who want to build or expand their own fire alarm product lines for the Thai market. Our customization capabilities include:
Whether you need an existing TF-series device under your own brand or a customized fire alarm line developed for the Thai market, our team can work with you from model selection through mass production.
The TF-series platform focuses on stable detection, honest ratings and installer-friendly hardware.
Core Features:
| Parameter | Wanlin Fire Specification |
|---|---|
| Sensor type | Photoelectric optical chamber, scatter principle |
| Sensitivity | 2.0 to 3.5 %/m |
| Operating voltage | DC 9 to 30V (conventional two-wire or four-wire) |
| Standby current | Below 60 uA at 24V DC |
| Alarm current | Around 30 mA at 24V DC |
| Indicator | Bi-color red and green LED, latching alarm LED |
| Base | Interchangeable twist-lock base, polarity-free wiring |
| Device dimensions | 102 x 48 mm |
| Weight | 110 g |
| Operating temperature | 0 to 55°C |
| Humidity | Up to 95% RH non-condensing |
| Compliance | EN54-7 / ISO 7240-7 architecture on applicable models, TISI documentation support |
| Warranty | 18 months |
| Scenario | Recommended model | Key benefits |
|---|---|---|
| Guest room and corridor | TF-SM | Early smoldering detection with low false alarm rate |
| Office and co-working space | TF-SM | Twist-lock base speeds up replacement during fit-out |
| Condominium bedroom | TF-SM | Photoelectric response suits slow smoldering upholstery fires |
| Retail back room | TF-SM | Stable performance in dusty stock areas with basic cleaning |
Certification is one of the most important considerations when sourcing fire alarm equipment for Thailand. Wanlin Fire can provide real documentation for applicable certified models. Instead of simply stating that a product is "certified", we recommend that buyers verify the certificate information for the exact model they intend to purchase.
| Information | Details |
|---|---|
| Product | Fire Alarm Device (TF-series Platform) |
| Model Number | TF-SM |
| Standard | EN54 series / CE / RoHS on applicable models, TISI documentation support |
| Certificate Number | Provided on request per model |
| Certificate Holder | Wanlin Fire or applicable certification holder |
| Certification Body | Notified body per certificate |
| Target Market | Thailand / ASEAN / OTHER |
| Certificate Status | Valid for applicable models |
| Certificate Document | View / download on request |
For customers targeting the Thai market, Wanlin Fire supports TISI documentation questions with per-model files, and for projects where EN54 series references, CE, RoHS or ISO 9001 manufacturing scope apply, the relevant documentation can be requested for any represented model before ordering. Final acceptance always rests with the Thai authority having jurisdiction for each building class.
Buyers comparing fire alarm factories usually check four things: spec accuracy, certificate files, customization speed and delivery honesty.
| Factor | Wanlin Fire | Typical Alibaba Supplier | Branded Equipment Distributor |
|---|---|---|---|
| Manufacturing depth | China-based factory, in-house molding, SMT lines and per-unit function testing | Trading company, outsourced assembly | Brand owner, limited custom work |
| OEM / ODM flexibility | Private label from low MOQ, Thai labels and manuals supported | Limited to stock models, higher MOQ | No customization, fixed SKUs |
| Certification transparency | Real certificate documents for applicable models (EN54 / CE / RoHS), TISI documentation support | Incomplete or missing, customs risk | Brand-level only, no project docs |
| Price (factory direct) | Competitive factory pricing with tiered discounts | Low price but quality risk | Brand markup of 2-4x |
| After-sales | Dedicated account manager, technical support, spare devices | No after-sales, high failure risk | Limited, ticket-based support |
Wanlin Fire's fire alarm OEM services are suitable for: fire alarm system distributors, fire safety equipment importers, security systems integrators, building management contractors, fire protection engineering firms, hotel engineering purchasers, industrial estate facility managers, condominium management buyers, construction company procurement officers, MEP consulting engineers, trading companies and safety equipment e-commerce sellers.
For a faster quote, include the destination market, device list, volumes, label and logo requirements, and the certification standards your project needs. A standard OEM project then follows 8 steps:
Across the Thai project market, partners who switched to a source factory saw documentation and delivery problems drop sharply.
A: Photoelectric chambers react faster to slow smoldering fires, which are the most common type in Thai residences and hotels, and they avoid the radioactive source that complicates ionization imports.
A: Fit TF-SM units at least 3 meters away from wok burners, or swap kitchen positions to heat detectors. The optical chamber tolerates normal bathroom steam far better than ionization units.
A: A visual check every six months and a chamber vacuum once a year keeps sensitivity stable in Thai humidity.
A: Yes. The TF-SM works on the same conventional circuits as TF-HT heat detectors, so kitchens and corridors can share a zone.
A: Yes. Logo printing, Thai-language labels, retail packaging and certificate documentation are provided per exact model for importer orders.
Key result: By working directly with manufacturer Wanlin Fire, Saraburi Industrial Estate Facility Manager Ploy Sutthilak achieved 36% higher margins while offering competitive pricing. With verified documentation support, honest specifications, Thai-market labeling and private-label programs, Wanlin Fire has become their trusted fire alarm OEM and ODM manufacturing partner.
For more information: www.wanlinfire.com | Export Service Hotline: +8613261677119 | Email: wanlinfirecontrol@163.com