CE Listed
TOMZN TOS7-B Bluetooth Smart Timer Switch 40A 63A 85-265V EasyCon App
85-265V
40A / 63A
28 Groups Loop
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Export-Grade Inventory
High-Performance DIN-Rail Switchgear & Combiner Infrastructure
Engineered to meet rigorous CE, IEC 60947, and NEC / RTCR electrical safety mandates. Explore our on-demand waterproof solutions calibrated for high tropical ambient temperatures and extreme UV exposures.
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TOS6-40 Bluetooth Time Control Switch 35mm DIN Rail Wall-Mounted Timing
AC85-265V
40A Rated
Countdown Loop
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Weekly Relay
TOMZN DIN Rail Single Phase 7 Days Programmable Digital Timer Switch Relay
12V-230V
16A Single Phase
LCD Program
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Multi-Function
TORT7 Delay-ON Delay-OFF 10-in-1 Asymmetric Cycler Time Relay Switch
0.1S-10D Range
Pulse Generator
Modular DIN
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App Control
TOMZN Bluetooth Smart Countdown Timer Switch 85-265VAC 10A 30A EasyCon
10A / 30A
Wall/Rail Mount
Precision Loop
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1NO + 1NC
TOMZN 1NO 1NC DIN Rail Single Phase Weekly 7 Days Digital Time Switch 16A
1NO 1NC Output
Universal Voltage
Microcomputer
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IP65 Solar
IP65 Solar Photovoltaic Waterproof Combiner Box 1-In 1-Out with DC Breaker
IP65 Enclosure
DC 500V/1000V
UV Resistance
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Heavy Duty
HT Series Outdoor Waterproof Electrical Distribution Box 5 to 18 Ways
5 - 18 Ways
Flame Retardant
ABS / PC Alloy
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Engineering Whitepaper
Technical Specification & Compliance for the Costa Rican Grid
Costa Rica presents one of the most uniquely demanding electrical operating environments in the Americas. High ambient humidity, aggressive microclimates, and ambitious clean-energy distributed generation demand robust distribution hardware.
Severe Tropical Humidity & Condensation
With interior humidity regularly exceeding 85% in provinces like Limón, Puntarenas, and Alajuela, electrical enclosures face rapid moisture ingress and internal condensation. Our distribution boxes incorporate co-molded continuous polyurethane seals, breathable Gore-compatible pressure vents, and hydrophobic DIN-rail supports that neutralize internal tracking and catastrophic flashovers.
Coastal Salt Spray & Severe UV Weathering
Pacific and Caribbean coastal resort zones subject outdoor enclosures to airborne chloride ions combined with high UV indices. We engineer enclosures with specialized UV-stabilized Polycarbonate/ABS blends that resist polymer yellowing, embrittlement, and thermal cracking under continuous thermal cycling, matching strict ISO 4892-2 accelerated weathering standards.
Grid Standards: ICE, CNFL & RTCR Alignment
Distribution boards installed under the supervision of ICE (Instituto Costarricense de Electricidad) and CNFL (Compañía Nacional de Fuerza y Luz) require strict compliance with both NEC (NFPA 70) precedents and IEC equivalent safety ratings. Our CE-marked boxes deliver the exact physical dielectric strengths, IP65/IK08 ratings, and fire-retardant UL94-V0 compliance required for direct municipal interconnection approvals.
| Performance Parameter | Standard Low-Cost PVC Enclosures | TMB Industrial PC/ABS Series | Field Benefit in Costa Rican Facilities |
|---|---|---|---|
| Ingress Protection & Gasket Life | Generic EPDM or foam strip (degrades in 12–18 mo) | Seamless poured polyurethane continuous gasket (IP65) | Zero water penetration during torrential rainy season squalls. |
| UV Degradation & Impact | Becomes brittle within 2 years (IK05) | Halogen-free UV-stabilized PC alloy (IK08 certified) | Resists direct equatorial sun; prevents accidental mechanical shattering. |
| Thermal Endurance & Arc Deflection | HDT ~65°C; melts under internal busbar overload | HDT 125°C; UL94-V0 self-extinguishing housing | Prevents flame spread during primary surge or thermal runaway events. |
| Corrosion Resistance (Hardware) | Zinc-plated mild steel screws (red rust in months) | Grade 304 / 316 stainless captive quick-turn screws | Total immunity against saline coastal fog in Guanacaste & Puntarenas. |
Local Ecosystems
Tailored Deployments Across Costa Rica’s Core Sectors
From distributed solar arrays under Ley 10086 to luxury eco-lodges in protected rainforest reserves, our enclosures safeguard vital electrical infrastructure.
Grid-Tied Commercial Solar Arrays
Costa Rica’s Law 10086 has accelerated industrial distributed photovoltaic systems across the Central Valley. Our multi-way waterproof combiner boxes integrate DC fuses, surge arresters, and DC isolators directly beneath the modules, minimizing cable runs and providing field-tested disconnect protection before inverter entry.
Eco-Tourism Lodges & Coastal Resorts
Boutique hotels in Manuel Antonio, Tamarindo, and the Papagayo Peninsula require whisper-quiet automated systems. Pairing our Bluetooth programmable smart timers with IP65 sub-distribution boxes delivers seamless outdoor architectural lighting, lagoon pump sequencing, and aeration schedules impervious to jungle humidity.
Agro-Industrial & Coffee Beneficios
Agricultural processing plants in Tarrazú, Naranjo, and the Northern plains depend on continuous operations during peak harvests. Our enclosed dual-power transfer systems protect wet mills, irrigation pumps, and sorting belts from brownouts and frequency drops, shifting instantaneously between ICE lines and auxiliary gensets.
Telecommunication & Remote Towers
Cellular base transceivers on mountain ridgelines face dense cloud condensation and lightning discharges. Our compact DC-rated breaker and surge protective distribution assemblies guard sensitive microwave links and DC battery banks against sudden surges caused by seasonal storm fronts.
Market Dynamics
Emerging Electrical Infrastructure Trends Across Costa Rica
An evolving regulatory framework and proactive green-energy investments are shaping switchgear procurement criteria for contractors, wholesale importers, and system integrators.
Distributed Generation Expansion
With simplified net-metering regulations approved by ARESEP, residential and commercial rooftop solar is transitioning from niche setups to mandatory capital assets. Contractors increasingly demand turnkey, factory-assembled IP65 combiner boxes to slash site commissioning times and guarantee zero code-violation delays during final inspection.
Microgrid Adoption & Hybrid Inverters
Frequent lightning-induced micro-outages along the Pacific rim have driven surging adoption of hybrid battery storage. This shift requires specialized distribution panels housing dual-power automatic transfer switches (ATS) capable of sub-20ms source switching alongside high-capacity DC MCCBs rated up to 1000V DC.
Smart Metering & IoT App Control
Energy cost management is paramount for high-consumption enterprises in San José and Heredia. Procurement managers now favor modular distribution enclosures equipped with Bluetooth-enabled timers, Wi-Fi kWh circuit monitors, and remote telemetry modules that integrate smoothly into building automation networks without extra DIN real-estate.
Manufacturing Authority
24 Years of Precision Electrical Engineering & Global Supply
Operating from Huabei Village in Liushi Town, Wenzhou—China’s renowned low-voltage electrical capital—Zhejiang TMB Electric Co., Ltd. combines comprehensive supply-chain integration with stringent international quality standards.
Covering 5,700 m² of modern manufacturing floor space with an experienced workforce of 92 specialized technicians, our facility has been independently assessed and verified on-site by TÜV Rheinland. We do not just assemble boxes; we build the internal switchgear, stamp precision silver contact components, wind arc-quenching coils, and test thermal-magnetic trip curves to absolute tolerances.
For Costa Rican distributors, panel shops, and EPC contractors, we offer flexible OEM/ODM private labeling, custom punch-out gland designs, and customized pre-wired combiner configurations with low trial MOQs starting from 5 units.
5,700 m²
TÜV Assessed Manufacturing Base
24+
Years Manufacturing Experience
92
Skilled Assembly Technicians
US$ 3.3M
Verified Annual Export Volume
100+
Export Jurisdictions Served
Zero-Defect Protocol
End-to-End Quality Verification for High-Reliability Enclosures
Every waterproof distribution box and internal protection device passes through a six-stage factory audit before dispatch, ensuring absolute field dependability under harsh tropical operating environments.
1. Spectrometric Ingot & Polymer Assay
Housing raw materials undergo differential scanning calorimetry (DSC) and melt flow indexing. Electrolytic copper busbars, pure silver switch contacts, and bimetallic strips are validated for metallurgical purity to eliminate internal resistance spikes.
2. Automated Torque-Controlled Assembly
Internal DIN-rail components and terminal blocks are torqued using calibrated pneumatic drivers. This eliminates stripped screw threads, micro-fractured terminal blocks, and premature field connection failures caused by manual assembly inconsistency.
3. Calibrated Overcurrent Calibration
Every single miniature circuit breaker, DC isolator, and thermal relay is subjected to continuous multi-point current injection benches to record tripping response times against defined B, C, and D curves before box integration.
4. High-Pot Dielectric Withstand Validation
Pre-wired distribution systems undergo insulation resistance checks at 1000V DC followed by AC 2500V dielectric breakdown tests between busbars, live contacts, and outer housing surfaces to prevent catastrophic arc flash.
5. Microprocessor & ATS Functional Cycling
Programmable timers, Wi-Fi energy meters, and dual-power ATS units undergo 100% operational burn-in cycles under load. Bluetooth pairing range, firmware responsiveness, and power relay transitions are fully validated.
6. Ingress Seal & Pressure Immersion Audit
Enclosure batches undergo random submersions and high-pressure water spray tests matching IP65 criteria. Continuous polyurethane foaming seals are examined for elasticity, uniform thickness, and seal integrity.
Buyer Knowledge Base
Frequently Asked Questions by Costa Rican Importers & Contractors
Key technical, regulatory, and logistics answers addressing procurement, customs clearing, and installation requirements across Costa Rica.
Are CE-marked distribution boxes accepted by ICE, CNFL, and CFIA electrical inspectors in Costa Rica?
Yes. While the Electrical Code of Costa Rica (Código Eléctrico de Costa Rica - RTCR 458:2011) is grounded in NEC (NFPA 70) principles, Article 90-7 and related guidelines permit the installation of equipment manufactured and certified to equivalent international standards such as IEC 60947, IEC 60439, and IEC 61439, which underpin the CE marking. Our enclosures, circuit breakers, and combiner components carry complete factory CE declarations of conformity and TÜV Rheinland test verification reports that satisfy inspection engineers during final sign-off.
Why is an IP65 enclosure strongly recommended over standard NEMA 1 or NEMA 3R in Guanacaste or Puntarenas?
Standard NEMA 1 is strictly indoor-rated with zero moisture protection, while NEMA 3R protects only against falling rain and sleet, leaving open ventilation louvers that allow humid, saline-laden ocean air and tropical insects (e.g., ants, geckos) to enter the enclosure. This leads to premature contact pitting, salt bridging, and busbar short-circuits. Our IP65 enclosures provide a completely sealed, dust-tight perimeter with continuous polyurethane gasketing capable of withstanding direct low-pressure water washdowns, ensuring years of trouble-free coastal operation.
What are the standard shipping routes and transit times from your factory to Puerto Caldera and Puerto Limón?
From our Ningbo/Shanghai loading ports, ocean freight routes to Puerto Caldera (Pacific coast) typically range between 24 and 32 days via direct trans-Pacific routes. Cargo bound for Puerto Limón (Caribbean coast) is routed through the Panama Canal, taking approximately 28 to 36 days. For urgent project phases or spare component replenishment, our export team regularly ships via air cargo (DHL, FedEx, air freight) directly to Juan Santamaría International Airport (SJO) within 5 to 7 transit days.
Can we specify dual 120V / 240V split-phase dual-power transfer switches inside pre-wired distribution boxes?
Absolutely. Costa Rica primarily uses a 120V/240V split-phase 60Hz residential and light commercial grid topology. We supply both 2-pole (switching Line 1 and Line 2) and 3-pole/4-pole ATS units engineered specifically for 60Hz operation at nominal voltages from 110V to 240V AC. You can order complete factory-assembled weatherproof transfer boxes combining the automatic transfer switch, surge suppressors, and auxiliary bypass breakers.
What is your minimum order quantity (MOQ) for custom private-label branding and custom knockouts?
For standard catalog distribution boxes and timer switch inventory, our trial order MOQ starts at just 5 pieces. For custom private-label silk-screen branding on the enclosure door, custom cable gland punch-out patterns, or custom internal busbar layouts, the typical batch MOQ is 100 to 200 units depending on the box footprint. We provide comprehensive OEM/ODM packaging, labeling, and Spanish-language technical instruction inserts.
Can AC miniature circuit breakers be substituted for DC circuits in photovoltaic arrays?
Never. Under DC photovoltaic operation, current does not possess the natural sinusoidal zero-crossing voltage point found in 60Hz AC supplies. Attempting to interrupt DC faults with an AC MCB causes persistent sustained electrical arcing that melts the internal contact cage and can ignite the enclosure. We supply dedicated, polarized and non-polarized DC MCBs and DC MCCBs rated up to 1000V DC with permanent built-in magnetic blowout shields that stretch and extinguish intense direct-current arcs instantly.
Accelerate Your Costa Rican Supply Chain Today
Send your project single-line diagram, required IP rating, and breaker configurations. Our electrical engineering team will deliver tailored datasheets, CE compliance folders, and a comprehensive CIF Puerto Caldera/Limón quotation within 24 hours.