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Engineered for renewable energy integration, solar PV inverter disconnects, EV infrastructure, and high-voltage energy storage systems (ESS).
Costa Rica stands as a global reference for renewable electricity, generating over 98% of its grid power from hydro, geothermal, wind, and solar assets. Under the national policy framework established by the Plan Nacional de Descarbonización (PNDC 2018-2050), the country is actively expanding its distributed energy resource (DER) network and commercial-industrial battery energy storage systems (BESS). However, integrating non-conventional renewable energy (NCRE) into grid infrastructures governed by the Instituto Costarricense de Electricidad (ICE) presents complex technical dynamics—specifically, grid frequency stability, voltage fluctuation control, and localized microgrid autonomy in province clusters such as Guanacaste, Puntarenas, and Limón.
Technical Information Gain: Unlike AC circuits where voltage naturally crosses zero 120 times per second (at 60Hz), continuous direct current (DC) circuits in energy storage batteries maintain steady ionization during contact separation. Without specialized hydrogen-blend gas quenching and magnetic blowout mechanisms, persistent electric arcs will destroy standard switching contacts within cycles.
To support Costa Rica’s expanding utility-scale and commercial BESS sector, our CE-certified high-voltage DC contactors deliver complete arc suppression, low power consumption through PWM economizer coils, and gas-filled hermetic sealing designed to maintain zero contact oxidation even in tropical environments.
| Grid Challenge in Costa Rica | Technical Impact on BESS Systems | Factory DC Contactor Solution |
|---|---|---|
| High Ambient Humidity & Salt Mist | Contact corrosion, dielectric breakdown, surface tracking | Epoxy-encapsulated gas-filled ceramic chambers (IP67 sealed) |
| Volcanic Altitude (up to 3,000m) | Rarified air lowers insulation voltage & breakdown thresholds | Hermetic sealing eliminates dielectric reliance on atmospheric pressure |
| Frequent Solar/Hydro Switching | Thermal stress on main contacts, high cycle wear | Bi-directional silver-alloy contacts with auxiliary feedback switches |
| ICE Grid Interconnection Faults | Extreme short-circuit inrush currents from battery banks | High peak short-circuit withstand capabilities up to 3,000A (10ms) |
Tailored component architectures designed for microgrids, commercial solar storage, and eco-industrial parks.
Commercial resorts and agricultural facilities in Guanacaste rely heavily on solar PV coupled with high-voltage battery arrays to buffer expensive peak electricity tariffs. Our 350A and 400A 1000V DC contactors provide reliable isolation between the battery rack power conversion system (PCS) and the DC busbar, ensuring rapid disconnect capability during ground-fault conditions.
Industrial parks in Heredia and Alajuela mandate continuous clean power for medical device manufacturing and electronics assembly. Our gas-filled, low-coil-power DC relays integrate with central UPS battery strings, operating seamlessly across 12V, 24V, and 48V control systems without generating electromagnetic interference (EMI).
Port logistcs and coastal microgrids face aggressive salt-spray corrosion. Standard open-frame contactors fail rapidly in high humidity. Altran Magnetics' epoxy-sealed ceramic contactor chambers prevent sea-air ingress, maintaining contact resistance under 0.2 mΩ over thousands of full-load break operations.
When breaking high-voltage direct current (e.g., 1000V DC at 400 Amps), the energy dissipated in the electrical arc is proportional to the circuit inductance and the square of the current ($E = \frac{1}{2}LI^2$). If the arc is not rapidly lengthened and cooled, contact welding or total plastic housing destruction occurs.
Our manufacturing facility utilizes a two-tier arc suppression strategy for high-voltage DC switching components exported to Central America:
As an established global component engineering firm—with direct design, build, and delivery execution—Altran Magnetics operates strict quality assurance processes that eliminate risks for overseas project buyers and system integrators.
Every batch undergoes dielectric withstand testing, contact resistance measuring, and high-load pull-in/drop-out verification. Production lot numbers are laser-engraved on each housing for complete traceability back to raw materials.
Full alignment with CE, UL, cUL, CSA, and RoHS/REACH standards. Complete compliance documentation, 3D CAD models, and test reports are supplied directly with engineering qualification samples.
From custom copper busbar extensions to specialized control wire wiring harnesses and customer-specific part numbering, our factory engineering team tailors contactors directly to your enclosure layout.
Optimized export packaging and air/sea freight routing ensure fast delivery to Juan Santamaría Airport (SJO) or sea ports in Caldera and Limón with complete commercial documentation.
Expert answers addressing electrical standards, altitude derating, customs validation, and technical selection.
Yes. The Instituto Costarricense de Electricidad (ICE) and local distribution authorities (such as CNFL and ESPH) recognize international CE (IEC 60947-4-1 / IEC 60947-5-1) and UL standards. Our DC contactors undergo rigorous dielectric and temperature-rise testing to meet or exceed these interconnection requirements for grid-tied BESS installations.
In standard open-air contactors, higher altitudes reduce air density, lowering dielectric strength and thermal dissipation. However, because Altran DC contactors feature hermetically sealed, gas-filled ceramic chambers, internal arc quenching and dielectric insulation are completely isolated from atmospheric pressure, requiring zero voltage derating up to 3,000 meters above sea level.
Yes. Energy storage battery strings charge from the solar array and discharge to the inverter/grid. Our specialized bi-directional contactor series utilizes dual-polarity magnetic blowout structures, maintaining equal arc-quenching capability regardless of current direction.
We offer integrated auxiliary contact options (SPST-NO or SPST-NC) rated for low-current signal switching. This allows your Battery Management System (BMS) or PLC to monitor the physical main contact position in real time for system safety interlocking.
Standard product lines ship within 1 to 2 weeks from factory stock. Customs documentation—including Certificate of Origin, CE Declaration of Conformity, RoHS compliance statements, and detailed commercial invoices—is provided with every shipment to ensure smooth clearing through Costa Rican customs.
Consult with our application engineers to select the exact DC contactor, relay, or AC switching component for your project in Costa Rica. Get customized datasheets, 3D STEP models, and factory-direct pricing.
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