ATS PC Three Phase 4P 63A 400V 5kA Breaking Capacity Dual Power Device
- Poles / Phase4-Pole / 3-Phase
- Rated Current63A
- Switching Speed< 50ms (PC Class)
- ApplicationGrid-Solar-Generator Transfer
85V–265V
Wide-Coil Tolerance
Prevents coil burnout during severe brownouts
100,000+
Electrical Cycles
Silver alloy contacts engineered for high inrush
5 Pcs
Flexible OEM MOQ
Rapid LCL & FCL shipments for Haitian contractors
IEC 61095
Standard Compliance
Fully rated for AC-1, AC-7a, and AC-7b loads
Flagship Product Portfolio
Modular Switching & Power Protection Components
High-performance modular contactors, dual-power automatic transfer switches, and DC circuit protection directly manufactured by Zhejiang Graybar Electric for Caribbean distribution networks.
Dual Power Automatic Transfer Switch ZTQ3-100A/4P for Industrial Backup
- Rated Current100A Frame
- Breaking CapacityCustomizable / High kA
- StandardIEC 60947-6-1
- Coil Voltage110V / 220V AC Options
Din Rail ATS Double Power Transfer Switch 4P 100A/125A AC 400V OEM
- MountingStandard 35mm DIN Rail
- Ratings100A / 125A Frame
- Contact MaterialAgSnO2 High Anti-Weld
- FeatureManual / Auto Dual Mode
CE Certified DC Circuit Breaker Red Copper Miniature Solar Protection
- ConductorPure Red Copper Terminals
- Voltage RatingUp to 1000V DC
- CertificationCE / IEC 60947-2
- ApplicationSolar String & BESS Isolation
PC Type Automatic Transfer Switch 220V AC Modular Changeover for Solar
- Operating Voltage220V / 240V AC 60Hz
- Modular WidthUltra Compact DIN Profile
- EnduranceMechanical 20,000 Ops
- TargetInverter Priority Switching
Mechanical Interlocking Circuit Breaker 1P+N 2P 3P 4P Dual Supply MCB
- Interlock MechanismFail-Safe Physical Lock
- Configuration1P+N, 2P, 3P, 4P
- SafetyPrevents Simultaneous Infeed
- Mounting35mm Standard Rail
DZ47-63 DC MCB PA66 Flame Retardant Curve C 6kA Rail Mounting Breaker
- Housing MaterialVirgin PA66 (V-0 Rated)
- Breaking Capacity6kA High Breaking Icu
- Trip CurvesB, C, D Characteristics
- Thermal Stability-30°C to +70°C Operating
DZ30LE-32A Leakage Protection System for Hotel, Commercial & Lighting
- ProtectionOverload, Short Circuit & Leakage
- Rated CurrentUp to 32A (Compact 1P+N)
- Sensitivity30mA Instantaneous Trip
- StandardIEC/EN 61009-1
Grid Reality Analysis
Overcoming Haiti's Electrical Anomalies with Modular Contactors
Electrification in Haiti—especially within key industrial, commercial, and residential hubs such as Port-au-Prince, Cap-Haïtien, Les Cayes, and Delmas—operates under some of the most demanding power quality parameters in the Caribbean. The national utility, Électricité d'Haïti (EdH), provides intermittent grid power characterized by severe under-voltage dips (often sinking below 85V AC on nominal 110V/120V lines) and destructive transient voltage surges whenever power is abruptly restored.
Because grid availability averages under 6 to 10 hours daily in urban centers, almost all modern installations operate as autonomous or semi-autonomous microgrids combining diesel generator sets (gensets), rooftop solar PV arrays, and lithium-ion or lead-carbon battery energy storage systems (BESS). Under these conditions, conventional residential-grade contactors suffer from magnetic armature chatter, coil burnout, and contact welding caused by inductive kickback and dirty frequency variations (54Hz–65Hz).
Technical Mandate for Haitian Panel Builders
Standard AC contactors with narrow coil tolerances (+/-10%) inevitably fail in Haiti within 3–6 months. Graybar's modular contactors utilize electronic AC/DC wide-band coils (85V–265V) and AgSnO2 (Silver Tin Oxide) contacts, completely eliminating magnetic hum and contact erosion under severe brownout and generator frequency hunting.
Furthermore, Haiti's tropical maritime climate imposes continuous relative humidity (often exceeding 80–90%) coupled with ambient distribution box temperatures reaching +45°C. Uncertified plastics quickly degrade, leading to tracking resistance failure and electrical fire risks. Graybar resolves this by standardizing on virgin flame-retardant polyamide PA66 housings rated UL94-V0 with a Comparative Tracking Index (CTI) exceeding 600V.
Why Solid-State Coil Architecture Matters
When line voltage drops to 90V on an EdH supply line, conventional copper-wound solenoid coils experience dropped hold force. The contact face chatters at 120Hz, generating intense localized arcing that welds contacts shut. Graybar's integrated rectifier and electronic drive maintains unwavering clamp pressure from 85V to 265V.
Anti-Hum
Low Power Hold (1.2W)
Class H Enamel Wire
Localized Implementation
Field Applications Across Haitian Infrastructure
From mission-critical hospital backup systems to solar off-grid agricultural processing in Artibonite, explore how Graybar contactors guarantee operational continuity.
Commercial Solar & Diesel Hybrid Systems
Supermarkets, banks, and production facilities in Pétion-Ville and Boulevard du 15 Octobre depend on automated priority switching between PV inverter buses and standby Caterpillar or Cummins generators.
- Automatic load shedding of heavy HVAC loads during generator run-time
- Zero coil degradation under dirty generator waveform THD > 15%
- Mechanical interlock configurations prevent catastrophic backfeeding
Cellular Base Stations & Telecom Towers
Remote cell towers operated by Digicel and Natcom situated along the Massif de la Selle require fully unattended switching for DC rectifiers, battery banks, and solar panels.
- DC-rated modular contactors switching up to 1000V string voltages
- Silent operation inside compact telecom outdoor weatherproof cabinets
- Auxiliary feedback contacts (1NO+1NC) for SCADA telemetry monitoring
Agricultural Processing & Water Pumping
In the Artibonite valley and rural Grand'Anse, deep-well irrigation pumps and sugar cane/coffee processing mills endure high inductive inrush current (AC-3/AC-7b ratings).
- Engineered for direct-on-line motor starts up to 40A / 18.5kW
- Arc-extinction chutes rapidly dissipate plasma in dusty environments
- Tight DIN-rail pitch allows compact control panel fabrication
Technical Benchmark
Modular Contactor Selection Guide for Haitian Environments
| Series Frame | Rated Current (AC-7a / AC-1) | Motor Rating (AC-7b / AC-3) | Poles & Width | Coil Voltage Range | Ideal Application in Haiti |
|---|---|---|---|---|---|
| GMC-20 | 20A (resistive loads) | 1.2 kW @ 230V | 1P / 2P (18mm - 1 Module) | AC/DC 85V–265V | Residential inverter bypass, solar water heaters |
| GMC-25 | 25A (lighting / heating) | 2.4 kW @ 230V | 2P / 4P (18mm / 36mm) | AC/DC 85V–265V | Apartment backup changeover, lighting contactors |
| GMC-40 | 40A (commercial panels) | 7.5 kW @ 400V | 2P / 3P / 4P (54mm) | Wide band 110V/220V | Deep-well submersible pumps, mini-cold storage |
| GMC-63 | 63A (heavy duty feeder) | 15 kW @ 400V | 2P / 4P (54mm) | Electronic regulated coil | Whole-villa generator transfer, commercial HVAC units |
| GMC-100 | 100A (industrial incomer) | 25 kW @ 400V | 3P / 4P (108mm) | Universal AC/DC | Factory distribution, dual-source generator synchronization |
Industry Insights & Market Dynamics
Market Transformation: Haiti's Move Toward Smart Off-Grid Switching
Empirical data and procurement shifts analyzed by Zhejiang Graybar Electric's international trade department.
1. Decentralized Renewable Microgrids Replacing Central Distribution
Due to ongoing structural hurdles facing the Port-au-Prince national distribution grid, non-governmental organizations (NGOs), healthcare centers, universities, and private enterprises are investing in decentralized solar-diesel hybrid microgrids. In areas like Carrefour, Croix-des-Bouquets, and Gonaïves, modular contactors and DIN-rail ATS units serve as the autonomous nerve center, managing automatic generator start-up (AGS) and grid isolation.
2. Strict Acoustic & Vibration Standards in Living Quarters
Traditional industrial contactors generate a pronounced 60Hz electromagnetic buzz that resonates through lightweight concrete walls commonly found in Haitian residential builds. The market demand in Pétion-Ville and Montagne Noire has decisively shifted toward zero-hum, rectified modular contactors that operate noiselessly in residential consumer units.
3. Surge Coordination (SPD + MCB + Contactor) Integration
Haiti experiences significant tropical lightning activity across its mountainous spine during hurricane season. Sourcing contactors in isolation is no longer acceptable to Haitian electrical contractors; procurement packages now require Type 1+2 surge protective devices (SPDs) and coordinated miniature circuit breakers that clamp transient spikes before they reach the contactor's electromagnetic core.
Consolidated Sourcing Advantage
Graybar combines MCBs, MCCBs, SPDs, ATS units, and modular contactors into unified shipping consignments from Ningbo to Port-au-Prince or Lafito, reducing container demurrage, customs clearance fees, and technical mismatch risks.
Direct Manufacturing Strength
Engineered in Liushi, Wenzhou — Delivered Worldwide
Zhejiang Graybar Electric Co., Ltd. operates state-of-the-art automated moulding, assembly, and test facilities in Liushi Town, Wenzhou—China’s global center for low-voltage electrical technology. We eliminate intermediate trading layers to give Haitian distributors, hardware importers, and EPC contractors uncompromised engineering reliability.
Procurement Intelligence
Frequently Asked Questions by Haitian B2B Buyers
Key considerations on voltages, certifications, customs clearance, and product customization for importing electrical switchgear into Haiti.
How do Graybar modular contactors handle Haiti's 110V/220V dual voltage and severe grid dropouts?
Haitian distribution systems alternate between North American-influenced 110V/120V 60Hz single-phase systems and 220V/240V split-phase systems. During peak grid loading in Port-au-Prince, 110V circuits often dip to 80V–90V. Graybar equips its modular contactors with wide-range electronic rectifier coils rated 85V–265V AC/DC. This ensures firm mechanical armature closure without buzzing, contact chatter, or overheating, even when utility voltage sags severely before backup generators take over.
Can Graybar provide private-label branding, packaging, and French/Haitian Creole manuals?
Yes. We offer turnkey OEM/ODM services for electrical wholesalers, hardware distributors (quincailleries), and brand owners across Haiti. Our factory provides fiber-laser marking for your custom brand name and model codes, customized outer cartons, and bilingual French/English wiring schematics and instruction manuals compliant with local installation practices.
What are the shipping routes, lead times, and port logistics for deliveries to Haiti?
We regularly ship LCL (Less than Container Load) and FCL (Full Container Load) cargo from Ningbo or Shanghai ports directly to Port-au-Prince (APN Port) and Port Lafito. Standard manufacturing lead time is 15–25 days depending on volume, with ocean transit times to the Caribbean typically spanning 35–45 days via major carriers (CMA CGM, Maersk, MSC). For urgent project requirements, air-cargo dispatch to Toussaint Louverture International Airport (PAP) is available.
What is the minimum order quantity (MOQ) for trial orders and consolidated shipments?
To assist Haitian engineering contractors and distributors testing our build quality in the field, our standard modular contactors, miniature circuit breakers (MCBs), and surge protective devices (SPDs) have a starting MOQ of only 5 pieces per specification. Larger industrial equipment such as intelligent air circuit breakers (ACBs) starts at just 1 unit. You can consolidate multiple product lines into a single shipment to optimize freight economy.
Which international certifications and standards do your modular contactors adhere to?
Graybar modular contactors are manufactured and fully certified in accordance with IEC/EN 61095 (Electromechanical contactors for household and similar purposes) and IEC/EN 60947-4-1 (Low-voltage switchgear and controlgear). Furthermore, related products carry CE, CB, and ISO9001 factory quality certifications. Full type-test verification reports and certificate dossiers can be provided upon request for engineering project approval.
How do your contactors prevent welding when switching solar inverter and generator sources?
Inverter output stages contain large input capacitive filter banks that create extreme capacitive inrush currents upon energization, while generator circuits produce severe inductive counter-EMF. Standard silver nickel (AgNi) contacts frequently weld shut under these transient arcs. Graybar exclusively incorporates AgSnO2 (Silver Tin Oxide) or AgCdO contact tips boasting high silver mass and superior arc erosion resistance, providing a mechanical service life exceeding 1,000,000 operations and an electrical endurance of over 100,000 switching cycles.
Upgrade Your Haitian Power Distribution Reliability Today
Partner directly with Zhejiang Graybar Electric. Eliminate distribution failure risks, stabilize your microgrid installations, and secure direct-from-factory pricing with full technical backing.