Product OverviewThe Hyundai 400A HGP400H 3 Pole Molded Case Circuit Breaker (MCCB) is an ultra-high-capacity, heavy-duty adjustable thermal-magnetic circuit protection device manufactured by HD Hyundai Electric. Designed to deliver superior operational flexibility and extreme fault tolerance across heavy industrial boards, large manufacturing plants, and primary commercial distribution panels, this adjustable MCCB permits precise field calibration of continuous current trip thresholds. It ensures robust, reliable protection against long-term overcurrent overloads, intensive phase short-circuits, and critical electrical system faults.With a high maximum continuous current rating of 400 Amps (safely adjustable down to 320 Amps) and a massive ultra-high short-circuit breaking capacity of 65kA, the HGP400H quickly isolates the most severe line disruptions, safeguarding vital downstream infrastructure and maintaining power grid continuity even in harsh electrical environments.Key FeaturesBrand: HD Hyundai ElectricProduct Type: Molded Case Circuit Breaker (MCCB)Type Configuration: Adjustable (Thermal Trip Settings)Model: HGP400HRated Current (In): 400AAdjustable Range: 80% to 100% of rated continuous current (320A to 400A via a 3-step setting dial)Pole Configuration: 3 PoleBreaking Capacity: 65kACore Protection: Configurable thermal overload protection paired with high-speed instantaneous short-circuit protectionStandards Compliance: Fully certified under international industrial frameworks including IEC 60947-1, 2, 3, CE, NEMA AB-1, and ISO 9001/14001Technical SpecificationsSpecificationDetailsBrandHD Hyundai ElectricProduct NameMolded Case Circuit Breaker (MCCB)Design TypeAdjustable TypeModelHGP400HRated Current (In)400ACurrent Adjustment Range (Ir)320A - 360A - 400A (0.8 - 0.9 - 1.0 × In)Pole Count3 PoleBreaking Capacity (Icu)65kADimensions (W × H × D)140 × 257 × 110 mmApprox. Weight4.5 kgRated Operational Voltage (Ue)690 V ACRated Insulation Voltage (Ui)1,000 VRated Impulse Withstand Voltage (Uimp)8 kVService Breaking Capacity (Ics)100% IcuStandard ComplianceIEC 60947-2Country of OriginKoreaApplications & UsageThe Hyundai 400A HGP400H Adjustable MCCB is optimized for:Heavy Industrial Main Distribution: Serving as a primary incoming or outgoing protection unit within low-voltage distribution boards situated near high-fault power sources and transformers.Commercial Energy Networks: Main distribution boards for modern infrastructure such as hospitals, high-rise office towers, and large-scale data centers where load demands vary and arc flash safety is paramount.High-Power Inductive Loads: Precision protection for high-capacity three-phase electric motors, industrial chilling systems, and large-scale heavy-duty pumps.Why Choose Hyundai HGP400H Adjustable MCCB?On-Site Thermal Adaptability: Outfitted with an external manual calibration pointer that can scale down the continuous current threshold to 320A or 360A, allowing exact matching with localized cable capacities and changing system requirements without requiring a physical breaker swap.Robust 400AF Frame Structure: Encased within a rugged, industrial-grade 400AF molded shell (140 × 257 × 110 mm) optimized to handle severe thermal stress and deliver top-tier 1,000V electrical insulation.Maximum Fault Suppression: Confidently intercepts extreme short-circuit arc discharges up to 65kA, heavily limiting mechanical wear on auxiliary systems and providing a premium safety barrier for expensive industrial machinery.SEO KeywordsHyundai 400A Adjustable MCCB, Hyundai HGP400H, Hyundai Adjustable Circuit Breaker, 400 Amp Adjustable MCCB, 3 Pole MCCB 400A, Hyundai 65kA Adjustable Breaker, Variable Current MCCB 400A, 400AF Frame MCCB 65kA, Hyundai Electric Bangladesh, HGP400H 400A Price
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