TÜV Rheinland Verified Factory Direct · Liushi, China to Jordan

Custom OEM Solar PV Combiner Box Supplier & Exporters Serving Irbid

Engineered for IDECO Grid Compliance, Sandstorm Defense & Severe Ambient Temperatures Across Northern Jordan's Utility, C&I, and Agricultural Photovoltaic Arrays.

24+
Years Mfg Experience
5,700m²
Certified Facility
1000V/1.5kV
DC Architecture Range
IP65/66
Harsh Climate Defense
5pcs
Flexible OEM MOQ
Engineering Applications

Custom Enclosure Configurations Tailored to Northern Jordan's Grid

Irbid Governorate sits at a unique climatic and infrastructural crossroads: combining the extreme solar irradiance of the Levant (GHI > 2,050 kWh/m²/year) with airborne abrasive dust, winter dew condensation, and stringent IDECO distribution grid interconnection codes.

Al-Hassan Industrial Estate C&I Rooftops

Irbid's industrial corridor hosts heavy textile, plastic, and chemical plants requiring high-capacity rooftop solar arrays. Our combiner boxes feature 1000V DC dual-disconnect isolation and Type 2 surge arresters tested to absorb inductive switching spikes from factory machinery without tripping false faults.

  • Enclosure Rating: IP66 Polycarbonate / Sheet Metal
  • DC Disconnect: Molded Case 250A-630A DC MCCB
  • Surge Suppression: In 20kA, Imax 40kA (8/20μs)
JUST & Yarmouk University Microgrids

Northern academic campuses operate multi-megawatt wheeled PV generation facilities. Combiner assemblies incorporate Modbus-RTU RS485 string monitoring sensors to provide granular per-string current analytics, pinpointing module soiling from dry desert dust storms across large field arrays.

  • Communication: RS-485 Modbus Protocol
  • Measurement: Hall Effect String Sensors
  • String Sizing: 8 to 24 Inputs, gPV 15A/20A Fuses
Jordan Valley Agricultural Solar Pumping

The northern Jordan Valley (Ghor) experiences summer ambient temperatures topping 48°C and high salinity/fertilizer aerosol exposure. Combiners utilize anti-corrosive UV-resistant ASA/PC boxes with vapor-permeable breather valves to eliminate internal water vapor sweating during diurnal shifts.

  • Thermal Derating: Engineered for 70°C Internal Peak
  • Breather Unit: IP68 Hydrophobic Membrane Gland
  • Automation: TORT7 Cycler & Water Sensor Interlock
Residential Net-Metering & Dual Power ATS

Irbid residential and commercial villa owners installing net-metered arrays under IDECO regulations frequently suffer grid under-voltage drops during peak winter heating. We pair compact 2-4 string DC boxes with dual-power ATS and over/under-voltage protection units for automatic generator/inverter sync.

  • ATS Capability: 2P/4P 63A-125A Fast Transfer
  • Grid Guard: Voltage Cut-off Delay (1s-300s adj.)
  • Compliance: IDECO Distribution Code Compliant
Technical Matrix

Engineering Specifications for Irbid PV Combiner Enclosures

Selecting the appropriate DC protection parameters prevents catastrophic arching and ensures seamless approvals by the Energy and Minerals Regulatory Commission (EMRC) and IDECO.

System Architecture String Configuration DC Breaker / Disconnect Surge Arrester (SPD) Enclosure Protection EMRC / IDECO Fit
Residential Net-Metering (5-15 kWp) 1 Input - 1 Output / 2 In - 2 Out 2P DC MCB 1000V (16A - 32A C Curve) Class II DC SPD 1000V (In 20kA, Imax 40kA) IP65 UV ABS / Polycarbonate Direct Approval
Commercial C&I Rooftops (50-250 kWp) 4 In - 2 Out / 6 In - 2 Out 2P DC MCB or MCCB 1000V (63A - 125A) Class II DC SPD 1000V with Remote Signal IP65 Reinforced SMC / Metal Direct Approval
Utility Wheeled Farm (1MW+) 12 to 24 Inputs with Busbar DC MCCB 1500V 250A with Shunt Trip Class I+II Combined SPD 1500V DC IP66 Galvanized Cold-Rolled Steel Project Certified
Ghor Solar Pump Systems 1 In - 1 Out / 3 In - 1 Out DC MCB + High-Speed gPV Fuses Heavy-Duty DC SPD 600V-1000V IP66 Double-Insulated + Breather Agri Standard
Industry Evolution

Emerging Solar PV Market Trends Shaping Irbid & Northern Jordan

Jordan continues to be a regional leader in clean energy adoption. Understanding the regulatory shifts and grid dynamics in the Irbid District Electricity Company territory is essential for EPC contractors and electrical wholesalers.

1 Migration toward 1500V DC Utility & Wheel Systems

While small-scale rooftop installations remain at 1000V DC, larger commercial wheeling projects authorized across Mafraq and Irbid borders are transitioning rapidly to 1500V DC architectures. This shift allows longer string configurations, reduces DC copper cabling losses, and demands higher arc-extinguishing breaking capacities from combiner boxes.

TMB provides 1500V DC MCCBs and optical arc detection interfaces designed to satisfy heavy Levant utility guidelines.

2 Extreme Sandstorm (Khamsin) Dust Ingress Mitigation

Spring and autumn in northern Jordan bring seasonal "Khamsin" storms characterized by fine silica dust that easily penetrates sub-standard seals, causing tracking currents, insulation breakdown, and fire hazards. Local procurement tenders now mandate seamless foamed polyurethane gaskets and IP65/IP66 enclosures with IK08-IK10 impact resistance.

Continuous robotic polyurethane gasket dispensing ensures our enclosures maintain an airtight barrier against particulate erosion.

3 Smart ATS & Dynamic Grid Curtailment Preparedness

Due to high daytime solar penetration in Jordan, IDECO and NEPCO have tightened grid stability mandates, requiring power quality monitoring and automated islanding defenses. Distributed arrays increasingly integrate smart transfer switches (ATS) and adjustable under/over-voltage protectors to safeguard onsite inverters against high-voltage tripping on hot summer noons.

Pre-assembled combiners integrating automatic ATS and digital delay timers reduce commissioning hours on Jordanian job sites by 40%.
Why Partner With TMB Electric

24 Years of Precision Electrical Manufacturing in Liushi, Wenzhou

Located in the heart of China’s largest low-voltage electrical manufacturing cluster, Zhejiang TMB Electric Co., Ltd. delivers factory-direct engineering depth, verified raw material integrity, and comprehensive OEM/ODM agility.

TÜV Rheinland On-Site Verified

Our 5,700 m² modern manufacturing plant, assembly floor, and quality control systems are independently assessed and verified on-site by TÜV Rheinland. We maintain ISO9001 certified protocols across every terminal, bimetal strip, and silver contact point.

Liushi Supply Chain Cluster

Headquartered in Huabei Village, Liushi Town, our ecosystem allows rapid prototyping and low-cost precision tooling. Copper busbars, flame-retardant polyamide bodies, and arc chutes are sourced within minutes, shortening sample lead times to 3–7 business days.

Rigorous In-House Testing Protocols

Every single combiner assembly undergoes 100% dielectric insulation resistance testing, thermal trip calibration, high-voltage withstand tests, and visual circuit auditing before export crating, preventing field breakdowns under Jordan's blistering sun.

Flexible OEM / Private Label Services

We support regional Jordanian electrical distributors and EPC brands with custom silkscreen logos, bespoke terminal schematics, bilingual Arabic/English laser marking, and specialized packaging with trial orders starting as low as 5 units.

Proven Export Track Record ($3.3M+)

With verified annual exports exceeding US$3.3 million across 100+ nations, our export logistics team manages seamless FOB Ningbo/Shanghai forwarding to Aqaba Port, preparing Certificate of Origin, CE documentation, and pre-shipment inspections.

CE Marked & International Standards

All DC breakers, fuse bases, SPD modules, and enclosures comply with IEC 60947-2, IEC 60947-3, IEC 61643-31, and EN standards, giving Irbid contractors immediate peace of mind during municipal engineering reviews.

Production line and product overview Zhejiang TMB Electric
Advanced Production Workshops
PV combiner box assembly line output
Automated Combiner Box Assembly
Verified panoramic view of factory in Liushi
5,700m² Verified Facility
TMB quality certificates and honors
International Certifications
Procurement Guide

Frequently Asked Questions by Irbid Wholesalers & Solar EPCs

Critical answers regarding technical compliance, IDECO grid approvals, import logistics through Aqaba, and customized OEM specifications.

Do your DC combiner boxes comply with IDECO and EMRC regulations in Jordan?
Yes. Irbid District Electricity Company (IDECO) and the Energy and Minerals Regulatory Commission (EMRC) require strict compliance with IEC 60947-2 for circuit breakers, IEC 60269-6 for gPV string fuses, and IEC 61643-31 for DC surge protective devices. Our assemblies use CE-marked, laboratory-tested protection components with clear technical documentation that passes municipal and utility site inspections without delay.

How does high ambient heat in Irbid & Jordan Valley affect breaker selection?
In Northern Jordan and the Jordan Valley, ambient summer temperatures regularly reach 40°C to 48°C, which can cause enclosed rooftop junction boxes to exceed 65°C internal heat. Standard thermal-magnetic breakers trip prematurely under such conditions. TMB engineers apply exact thermal derating coefficients (typically sizing rated current at 1.25x–1.4x of string Isc) and supply high-temperature UV-resistant polycarbonates with breather vents to ensure uninterrupted power delivery.

What is the transit time and shipping route from Wenzhou to Irbid, Jordan?
Orders depart directly from Ningbo or Shanghai maritime ports bound for the Port of Aqaba, Jordan, with ocean transit times generally ranging between 22 to 32 days. From Aqaba, goods are cleared through Jordanian customs and trucked directly to Irbid distribution warehouses or project job sites. Air freight express (DHL/FedEx/Air Cargo to Queen Alia International Airport, Amman) is available for urgent samples and trial batches within 5–7 days.

Can an AC miniature circuit breaker be used for solar PV DC strings?
Never. Alternating current (AC) crosses zero voltage 50 or 60 times a second, naturally aiding arc extinction. Direct current (DC) has no natural zero-crossing, meaning an arc will persist and destroy an AC breaker, creating severe fire hazards. We utilize exclusively rated DC breakers and DC MCCBs with internal permanent magnetic blowout arcs and extended contact gaps engineered for up to 1000V/1500V DC operation.

What documentation is provided to clear JSMO customs inspection?
The Jordan Standards and Metrology Organization (JSMO) mandates valid Certificates of Conformity (CoC), certified CE Declarations, and factory test reports matching commercial invoice numbers. TMB supplies complete legalized shipping documentation, including Commercial Invoice, Packing List, Certificate of Origin (CO), and certified IEC test datasheets to facilitate smooth clearing through Jordanian customs.

What is your Minimum Order Quantity (MOQ) for custom OEM branding?
To support solar engineering firms and emerging local distributors in Irbid, our standard catalog models start from a trial MOQ of just 5 units. For customized OEM private labeling—including laser logo etching, custom outer carton printing, and bespoke internal terminal block layouts—the typical MOQ begins at 50–100 units depending on the box dimensions.

Ready to Engineer Your Custom PV Combiner Box for Irbid?

Send us your single-line electrical diagram (SLD), string voltages, fuse ratings, and project quantities. Our veteran low-voltage electrical engineers will respond within 24 hours with certified technical datasheets and competitive B2B wholesale pricing.

Inquire Now