DIN Rail
TOS6-40 Bluetooth Time Control Switch 35mm DIN Rail Mount AC85-265V 40A
Mounting:35mm DIN Rail
Voltage:AC 85–265V
Capacity:40A Switching
Verified Factory Direct Solutions
High-Performance Distribution & Protection Enclosures
Engineered by Zhejiang TMB Electric Co., Ltd. for contractors, solar panel builders, and MEP consultants across East Riffa, West Riffa, and the Southern Governorate.
Programmable
Weekly 7 Days Programmable Digital Time Switch Relay AC 220V/230V 16A
Program:16 ON/OFF 7-Day
Contact:16A Inductive/Res.
Standard:IEC 60947-4-1
10-in-1 Relay
TORT7 Delay-ON Delay-OFF 10-in-1 Cycler Multi-Function Time Relay Switch
Interval:0.1s – 10 Days
Functions:10 Operating Modes
Housing:Self-extinguishing
Smart Control
Bluetooth Smart Timer Switch 85-265VAC 10A/30A EasyCon Wall-Mounted
Protocol:Bluetooth BLE Mesh
Groups:28 Memory Groups
Fitment:Modular Box / Wall
High Amperage
TOS7-B Bluetooth Smart Timer Switch 40A/63A 85-265V App Remote Control
Current:Up to 63A Direct
App:EasyCon iOS/Android
Protection:Integrated Circuit
1NO + 1NC
1NO 1NC Single Phase Weekly Programmable Digital Timer Switch 16A
Configuration:1NO + 1NC Isolated
Voltage:AC 220V / 230V
Display:High Contrast LCD
IP65 Solar
IP65 Waterproof Solar PV Combiner Box 1-In 1-Out with DC Breaker & SPD
Rating:IP65 Outdoor
Voltage:500V / 1000V DC
Enclosure:UV Polycarbonate
HT Waterproof
HT Outdoor Waterproof Modular Enclosure Box (5, 8, 12, 15, 18 Ways)
Capacity:5–18 Modules
Impact Grade:IK08 High Rigidity
Window:Smoked Transparent
24+
Years Engineering Heritage
5,700 m²
Dedicated Factory Floorspace
TÜV
Rheinland On-Site Verified
100+
Global Export Markets
Engineering Whitepaper
Thermodynamics & Polymer Durability in Bahrain’s Arid Climate
A rigorous engineering evaluation of non-metallic enclosure survivability under high solar irradiation, airborne salinity from the Gulf, and ambient summer extremes.
Material Degradation Analysis: Polycarbonate (PC) vs. ABS in the Southern Governorate
In Riffa, ambient daytime temperatures frequently surpass 46°C between June and September, accompanied by direct solar irradiance indexes exceeding 1,000 W/m² and an ultraviolet index peaking at 11+. When standard Acrylonitrile Butadiene Styrene (ABS) enclosures without stabilizing additives are placed outdoors, ultraviolet photons cause cross-chain polymer scission. This photochemical breakdown manifests as surface chalking, micro-cracking, loss of flexural elasticity, and severe yellowing within 18 months of commissioning.
To counteract photo-oxidative degradation, Zhejiang TMB Electric Co., Ltd. utilizes an engineered injection-grade Polycarbonate (PC) and PC/ABS alloy matrix stabilized with Hindered Amine Light Stabilizers (HALS) and UV-absorbing benzotriazole compounds. This formulation ensures that our HT Series and PV Combiner Box housings maintain at least 85% of their initial Charpy impact strength (ISO 179) after 5,000 hours of accelerated xenon-arc weathering (equivalent to over a decade of direct Riffa sun exposure).
Key Engineering Fact for Riffa MEP Designers: Solar PV string junction boxes installed on rooftop gravel or metal deck canopies experience enclosure core cavity temperatures of 70°C to 82°C. Specifying enclosures with UL 94 V-0 flame retardance and high Heat Deflection Temperatures (HDT ≥ 125°C under 1.8 MPa) is mandatory to prevent terminal creeping, phase bridging, and casing deformation.
Furthermore, internal heat accumulation generated by miniature circuit breakers (MCBs), contactors, and surge arresters must be dissipated without compromising ingress protection. Our enclosures feature deep heat convection channels along the rear DIN mount spine and optional breathable waterproof valves (ePTFE membrane plugs) that equalize atmospheric pressure differentials between scorching day and cool desert night cycles, eliminating internal vacuum-induced humidity suction and condensation puddling.
| Performance Parameter | Standard ABS (Economy Grade) | UV-Stabilized Polycarbonate (TMB) | SMC Fiberglass Polyester |
|---|---|---|---|
| UV Resistance Index | Low (Prone to brittle failure) | Excellent (ASTM G155 compliant) | High (Surface fiber bloom possible) |
| Impact Resistance (IK Code) | IK06 – IK07 | IK08 – IK10 (High impact resistance) | IK10 (High rigidity) |
| Flammability Rating | UL 94 HB | UL 94 V-0 (Self-extinguishing ≤ 10s) | UL 94 V-0 |
| Heat Deflection Temp (0.45 MPa) | 85°C – 92°C | 135°C – 142°C | > 200°C |
| Continuous Coastal Salinity | Good chemical resistance | Impervious (Zero oxidation) | Impervious |
Localized Engineering Applications
Field Deployments Across Riffa & Bahrain Sub-Districts
From upscale residential villas to heavy industrial and utility projects across the Southern Governorate, our enclosures protect vital control and switching gear.
Rooftop & Carport Solar PV in Riffa Views
In master-planned communities like Riffa Views, Awali, and West Riffa, luxury villas increasingly adopt rooftop grid-tied photovoltaic arrays to offset high summer cooling tariffs. Our IP65 pre-wired combiner boxes integrate DC MCBs, 1000V DC SPDs, and string fuses in UV-stabilized thermoplastic boxes. They withstand direct rooftop exposure while maintaining clean aesthetic integration with villa architectural facades.
Severe HVAC & Chiller Sub-Distribution
Air conditioning accounts for more than 60% of Bahrain's electrical peak load. Outdoor condensing units and chilled water pumping skids operating in the dusty perimeter of East Riffa demand enclosures that prevent microscopic dust intrusion. Our HT waterproof boxes house 40A/63A contactors and over/under-voltage relays, shielding critical compressor motor windings from severe voltage sags and phase failures.
Smart Villa Automation & Lighting Hubs
Modern luxury residences across Riffa rely on intelligent automation for garden uplighting, high-capacity swimming pool circulation pumps, and perimeter security. By combining our multi-way transparent-window distribution enclosures with TOS6 and TOS7 Bluetooth smart timer relays, electricians deliver seamless app-based weekly scheduling and countdown automation without installing cumbersome industrial PLC cubicles.
Alba-Bapco Industrial Logistics Corridor
The industrial buffer zones stretching south from Riffa toward Askar, Jaww, and the Al Dur coastal zone experience chemical aerosols, heavy vehicular diesel particulate, and marine humidity. Conventional powder-coated sheet metal panels deteriorate rapidly from galvanic corrosion. Non-conductive polycarbonate enclosures provide total galvanic isolation, zero rust, and protection for field sensor relays and power taps.
Emergency Generator & Hybrid Inverter Transfer
For commercial bank branches, private medical clinics, and retail complexes in Riffa Souq, grid reliability is non-negotiable. Our modular enclosures pre-fitted with TOQ3 dual power Automatic Transfer Switches (ATS) ensure automated millisecond transfer between the primary EWA grid feeder and standby diesel generators or lithium battery banks during unexpected feeder trippings.
Agricultural Irrigation & Date Palm Farms
Southern Bahrain’s agricultural holdings and date plantations require localized deep-well submersible pump controls. Operating under direct exposure to blowing silty sands (Shamal winds) and high soil alkalinity, our IP65 enclosure boxes house TORT7 cyclic time relays and motor thermal protectors, enabling automated cyclic irrigation schedules without technician intervention.
Market Dynamics & Compliance
Bahrain 2030 Vision: The Shift Toward Engineered Thermoplastics
Strategic modernization of distribution infrastructure under Electricity and Water Authority (EWA) standards.
Accelerated Corrosion Replacement Cycle
Historically, MEP consultants in Bahrain defaulted to sheet metal enclosures for low-voltage sub-distribution boards. However, the unique atmospheric chemistry of the Bahraini archipelago—combining high relative humidity (frequently 85–95%) with airborne marine chlorides and sulphur compounds—causes rust bleed-through and lock seizing on metallic boxes within 3 to 5 years. Engineered engineering plastics eliminate structural corrosion, drastically lowering the total cost of ownership (TCO) across municipal and private installations.
EWA Electrical Regulations Alignment
Under Bahrain Electricity Distribution Directorate guidelines, final sub-circuits and consumer control units must provide Class II total insulation to protect human operators from direct and indirect contact voltages. Polycarbonate modular distribution enclosures eliminate touch-potential hazard, doing away with the need for separate frame-bonding jumpers on enclosure doors, thereby accelerating installation times and simplifying consultant sign-offs.
National Renewable Energy Action Plan (NREAP)
Bahrain’s commitment to achieving net-zero emissions by 2060 and generating 5% of its total generation from renewables by 2025 (scaling to 20% by 2035) has spurred widespread installation of distributed solar panels across commercial buildings, schools, and private villas in Riffa. This surge demands rapid sourcing of reliable, CE-marked, UV-rated combiner enclosures with pre-integrated DC protective devices capable of handling up to 1000V DC operating strings.
Product Configuration Matrix
Standard Enclosure Specifications for Riffa Procurement
Review engineering tolerances, ingress protection levels, and mounting capabilities across our core production series.
| Series Code | Available Modules | Ingress / Impact Rating | Material Composition | Operating Temperature | Primary Local Application |
|---|---|---|---|---|---|
| HT Series | 2, 5, 8, 12, 15, 18 Ways | IP65 / IK08 | ABS Base + Polycarbonate Window | -25°C to +85°C | Residential sub-distribution & outdoor pump boards |
| HA Series | 4, 8, 12, 18, 24 Ways | IP65 / IK08 | Heavy UV-Stabilized Polycarbonate | -40°C to +120°C | Exposed rooftop solar & commercial HVAC isolation |
| PV Combiner | 1-In 1-Out / 2-In 2-Out | IP65 / IK09 | Reinforced High-Impact Polycarbonate | -30°C to +100°C | Grid-tie residential & carport solar strings |
| HT-9WAY ATS | 9 Modules (ATS + Timer) | IP65 / IK08 | Flame-Retardant ABS / PC Composite | -20°C to +80°C | Standby generator auto-transfer for shops and clinics |
| Industrial Junction | Custom Blank Din Enclosures | IP66 / IK10 | Halogen-Free Polycarbonate | -40°C to +130°C | Heavy industrial automation near Alba/Bapco corridor |
Procurement Questions
Frequently Asked Questions by Riffa Contractors & Buyers
Practical engineering answers concerning customs clearance, material compliance, minimum order quantities, and regional performance.
How do TMB plastic enclosures prevent dust ingress during severe Bahrain dust storms (Shamal)?
Our HT and HA series enclosures feature continuous, robotically poured Polyurethane (PU) foamed sealing gaskets along the inner tongue-and-groove lid perimeter. Unlike manual rubber strip gaskets that crack, shrink, and peel under intense Middle East heat, our seamless PU foam retains its elasticity up to 100°C. Combined with stainless steel captive quarter-turn screws or heavy-duty latching catches, our enclosures achieve certified IP65 and IP66 ingress protection according to IEC 60529, preventing powdery desert sand and silica dust from contacting internal electrical contacts.
Can your solar PV combiner boxes handle the 1000V DC open-circuit voltages of modern tier-1 solar panels?
Yes. Our solar combiner series uses DC-rated miniature circuit breakers (such as our 2P DC MCB 1000V) and specialized DC surge protective devices (SPD Type 2, 1000V DC Uc) tested specifically for zero-crossing arc suppression. We maintain clear internal air clearance and creepage distances conforming to IEC 60947-2 and IEC 61643-31, ensuring that PV string strings from high-efficiency bifacial monocrystalline modules operate safely even at high open-circuit voltages (Voc) during cold, sunny winter mornings in Riffa.
What documentation is provided to satisfy local consulting engineers and EWA inspectors in Bahrain?
Every shipment can be accompanied by comprehensive quality dossiers: CE Declaration of Conformity certificates, IEC test reports (including IEC 62208 for empty enclosures and IEC 60947 series for protection components), full material datasheets confirming glow-wire flammability compliance (IEC 60695-2-11 up to 960°C for live electrical supports), and our third-party factory assessment report conducted by TÜV Rheinland.
What are the shipping routes, typical transit times, and MOQs for delivery to Riffa?
From our manufacturing facility in Liushi, Wenzhou, cargo routes either through Ningbo or Shanghai port directly to Khalifa Bin Salman Port (KBSP) in Bahrain. Maritime transit times generally range between 22 and 28 days. For urgent construction timelines or sample evaluations, express air freight via Bahrain International Airport (BAH) delivers within 4 to 6 working days. We support electrical contractors with low trial MOQs starting from 5 pieces for standard catalog models, while full 20ft/40ft container pricing is available for large-scale developments.
Do you offer customized OEM / ODM punching, private silkscreening, and pre-wiring services?
Yes. As a direct manufacturer, Zhejiang TMB Electric Co., Ltd. provides comprehensive OEM/ODM customization. We can deliver factory-milled knockouts tailored for metric or PG cable glands, private brand pad-printing on enclosure lids, custom instruction manuals, and fully pre-wired assemblies (e.g., dual power ATS wired with digital timers and phase monitoring relays), drastically reducing contractor on-site assembly time.
How do non-metallic plastic boxes perform in fire scenarios compared to metal enclosures?
While metal does not melt at standard electrical fire temperatures, it rapidly conducts extreme heat to adjacent wall substrates and creates severe shock hazards if an internal arc flashes against the frame. Our polycarbonate and flame-retardant ABS materials are formulated to meet UL 94 V-0 standards. In the event of an internal electrical short circuit, the plastic extinguishes itself within 10 seconds without dripping flaming particles, and its non-conductive dielectric structure prevents catastrophic exterior phase-to-chassis fault currents.
Manufacturing Excellence
Why Major Gulf Importers Partner with Zhejiang TMB Electric
Combining 24 years of manufacturing discipline in Liushi with rigorous international quality standards.
Liushi Electrical Cluster Advantage
Located in Huabei Village, Liushi Town, Wenzhou—the acknowledged global capital of low-voltage electrical apparatus—our 5,700 m² factory operates at the heart of an ultra-efficient supply chain. Raw polymer granules, precision stamping tools, silver contacts, and terminal hardware are sourced within minutes, allowing us to maintain rapid lead times and tight cost controls unmatched by overseas traders.
TÜV Rheinland On-Site Verification
Unlike trading intermediaries, our factory floor, tooling equipment, assembly workshops, and quality management protocols have undergone thorough on-site auditing by TÜV Rheinland. We maintain a documented six-tier quality control workflow: incoming raw material verification, precision injection molding parameter control, trip curve calibration, dielectric withstand testing, functional operational validation, and final export audit.
Low MOQ & Agile Engineering Support
We empower regional panel builders and boutique MEP contractors across Riffa by offering flexible order structures. Standard catalog models start with minimum orders of just 5 units, allowing contractors to test prototypes on site prior to committing to major volume purchases. Furthermore, our internal engineering team is ready to review single-line schematics to advise on ideal enclosure sizing and thermal dissipation.
Equip Your Riffa Projects with Certified Protection
Send your project specifications, single-line diagrams, or procurement schedules to our technical team. We provide complete model recommendations, compliance documents, and factory-direct pricing within 24 hours.
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