IP65 Ingress
Engineered String Protection
Flagship Solar PV & Smart Control Lineup for Konya EPCs
Custom manufactured in our 5,700 m² TÜV Rheinland-verified plant. Engineered to withstand high diurnal thermal swings, dust storms, and heavy continuous DC loads across the Konya Basin.
Central Solar
8-Way 600V/1000V DC Combiner Box with Breaker, Fuse & SPD
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CE Certified
2P DC MCB 1000V Solar String Circuit Breaker 3A-63A
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Heavy Duty
TOM7Z 2P 1000V DC Molded Case Circuit Breaker (MCCB)
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Surge Arrest
DC SPD 500V-1000V 20-40kA Photovoltaic Surge Arrester
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Dual Power
HT-9WAY Enclosure with Automatic Transfer Switch & 7-Day Timer
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Smart Ag-Grid
TOS6-40 Bluetooth Time Control Switch 35mm DIN Rail 40A
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IoT Smart
TOMZN TOS7-B Bluetooth Smart Timer Switch 40A/63A EasyCon
View ProductStrategic Regional Fit
Engineering Solar Combiner Boxes for Konya's Unique Grid & Environmental Stresses
The Konya Closed Basin hosts Turkey's premier utility-scale and off-grid agricultural solar installations. Addressing extreme regional parameters requires specific structural modifications.
Thermal Swing & Cold Voc Spikes
Konya experiences continental temperature drops as low as -20°C in winter and exceeding +42°C in summer. Open Circuit Voltage (Voc) expands sharply under severe freezing conditions, risking dielectric breakdown on poorly rated 1000V DC hardware. Our factory supplies precision-calibrated 1200V and 1500V DC isolators and string fuses specifically to accommodate this coefficient variance safely.
Dust Ingress & Arid Steppe Resilience
The vast steppe terrain surrounding Karapınar and Çumra produces high concentrations of abrasive airborne dust and fine gypsum soil. Standard enclosures experience hinge binding and premature seal carbonization. Our IP65/IP66 enclosures deploy continuous foamed polyurethane gaskets and anti-UV polycarbonate composite enclosures ensuring zero dust penetration and preventing tracking resistance degradation over decades.
Central Anatolia Lightning Surges
Open plain terrain creates elevated flash density across massive ground-mounted utility arrays. TMB combiner boxes incorporate Type 2 and Type 1+2 DC Surge Protective Devices (SPDs) featuring high-energy metal oxide varistors (MOV) with integral thermal disconnectors, providing exceptional Up < 3.8kV clamping performance against destructive transient surges induced by nearby strikes.
Market Dynamics & Growth
Konya's Clean Energy Trajectory: Karapınar YEKA & Agricultural Modernization
From Europe's largest single-site solar energy installations to thousands of off-grid solar irrigation pumps, Konya is Turkey's solar heartbeat.
Karapınar YEKA Mega-Projects Influence
The operational maturity of the 1,350 MW Karapınar Solar Power Plant has established Konya as Turkey's solar epicenter. This massive project sets stringent technical benchmarks across the province. Local EPCs, secondary contractors, and maintenance teams require string-level combiner enclosures that conform strictly to IEC/EN 61439-2 standards, complete with high breaking capacities (Icu up to 20kA) and reliable arc-quenching mechanisms that meet TEİAŞ compliance criteria.
Solar Agricultural Irrigation (Tarımsal Sulama)
Escalating grid tariffs and aquifer depth variations in Çumra, Ereğli, and Cihanbeyli have catalyzed rapid adoption of autonomous PV-powered submersible pump stations. These setups operate in remote fields exposed to unattended environments. Our integrated solutions integrate DC Combiner Boxes coupled with Dual Power Automatic Transfer Switches (ATS) and 7-day Bluetooth smart timer relays, allowing farmers to schedule pump operation during peak insolation while automating grid-failover during nighttime cycles.
| Feature / Parameter | Standard Commercial Box | TMB Konya-Spec Combiner Box | Local Engineering Impact |
|---|---|---|---|
| Rated Voltage (Un) | 500V - 800V DC | 1000V - 1500V DC Continual | Prevents winter Voc over-voltage breakdown during freezing Konya mornings. |
| Enclosure Protection | IP54 / Thin PVC | IP65 / Polycarbonate UV94-V0 | Blocks micro-fine steppe dust and withstands high diurnal UV radiation without brittleness. |
| Internal Overcurrent | Single Pole AC-derivative | Dedicated 2P DC MCB / gPV Fuse | Extinguishes direct current arcs instantly with dedicated magnetic blowouts. |
| Surge Suppression | Generic 10kA AC SPD | Type 2 DC SPD (In: 20kA, Imax: 40kA) | Shields sensitive inverter MPPT trackers from steppe lightning strikes. |
| Operating Range | -10°C to +40°C | -30°C to +65°C Validated | Guarantees zero nuisance tripping during harsh central Anatolian winters. |
Field Applications
Field-Proven Installation Archetypes Across Central Turkey
Tested configurations designed to simplify on-site contractor wiring and slash commissioning labor by up to 45%.
Ground-Mount Commercial Strings
In mid-scale decentralized installations (100 kW to 1 MW) surrounding Konya's Organized Industrial Zone (KOSB), our pre-wired 4-in-2-out and 8-in-1-out combiner systems aggregate module strings directly before the inverter stage. Equipped with quick-connect MC4 inputs and internal high-capacity copper busbars, these units maintain lower thermal dissipation even under peak noon insolation.
Industrial Rooftop Self-Consumption
Factory rooftops throughout Selçuklu utilize custom-configured string boxes with integrated shunt trips and emergency stop fire-safety switches. Our enclosures allow prompt fire-fighter isolation at the roof parapet, complying strictly with Turkish municipal safety codes and insurance underwriting requirements.
Agricultural Hybrid Automation
Tailored specifically for deep-well irrigation in agricultural towns like Kadınhanı. Combines a 2-string DC combiner with our TOQ3 Dual Power Automatic Transfer Switch and a Bluetooth digital time relay. Pumps operate cost-free during solar peak hours and transition seamlessly to low-tariff off-peak grid power at night.
Verified Factory Direct
Why Major Importers & Contractors Trust Zhejiang TMB Electric Co., Ltd.
Direct from Liushi Town, Wenzhou—China's low-voltage electrical capital. Zero intermediaries, verifiable laboratory certifications, and streamlined container shipments to Mersin and Istanbul ports.
5,700 m² Standardized Production Base
High-Volume PV Combiner Assembly Line
TÜV Rheinland Assessed & CE Marking
TÜV Rheinland Verified Credibility
Unlike trading companies, Zhejiang TMB Electric Co., Ltd. operates an on-site verified production plant with 92 skilled technicians. Our manufacturing lines are routinely audited by TÜV Rheinland, ensuring full compliance with international standards for electrical clearances, mechanical lifespan, and temperature rise.
Vertical Supply Chain Agility
Situated in the heart of Liushi, our factory accesses precision silver contacts, pure electrolytic copper terminals, and flame-retardant thermoplastics within minutes. This dense localized ecosystem provides unbeatable cost efficiency, zero component bottlenecks, and fast order turnaround for Turkish project deadlines.
Flexible OEM / Low MOQ for Importers
We empower regional Turkish distributors and engineering firms to build their own local brand equity. We support customized laser printing, Turkish labeling, custom string counts, and custom terminal combinations with low trial MOQs starting from just 5 units per model.
Buyer Due Diligence
Frequently Asked Questions by Solar Importers in Konya & Turkey
Direct answers addressing technical specifications, Turkish customs procedures, and system integration.
Can standard AC circuit breakers be installed inside Konya PV combiner boxes?
No. Direct current (DC) arcs do not have a natural zero-crossing point like AC. An AC breaker cannot extinguish a high-voltage DC arc, creating a severe fire hazard. TMB combiner boxes feature dedicated 1000V/1500V DC breakers with permanent magnetic arc blowouts and de-ion arc chutes specifically engineered for DC faults.
What documentation is provided for Turkish Customs (Gümrük) clearance?
We supply complete export documentation required by Turkish customs authorities, including ATR documents (where applicable), Certificates of Origin, CE Declarations of Conformity, and TÜV Rheinland factory audit reports. All shipments carry standardized international HS codes (e.g., 8537.10 / 8536.20).
How does TMB ensure protection against sub-zero winter temperatures in Konya?
Our combiner boxes use bimetallic elements and high-grade copper shunts calibrated with defined temperature compensation curves. Furthermore, our enclosures are manufactured from impact-resistant polycarbonate rated to -35°C, ensuring the outer shell never cracks during winter maintenance or thermal shock.
What shipping options are available for delivery to Konya?
Most commercial volume orders ship via ocean freight to the Port of Mersin (Mersin Limanı), which is the primary logistics gateway to Central Anatolia with direct rail and highway links to Konya. For urgent project samples or replacement components, we arrange expedited DHL/FedEx air delivery directly to Konya Airport.
Can you customize string counts and incorporate monitoring systems?
Yes. As an authentic OEM manufacturer, we configure 1-in-1-out, 2-in-2-out, 4-in-2-out, up to 24-in-1-out combiner systems. We can also integrate DC Hall-effect current sensors, RS485 Modbus monitoring boards, and anti-reverse diodes based on your single-line diagram (SLD).
How do you prevent terminal loosening caused by thermal expansion?
Central Anatolia's extreme day-to-night temperature variations cause thermal expansion cycles that loosen conventional terminal screws. TMB uses anti-loosening spring washers and high-tensile brass tunnel terminals torqued under pneumatic control during assembly to ensure gas-tight connections that eliminate high-resistance hotspots.