Xiamen Rongmai Electrical Equipment Co., Ltd.
| Operatingtemperaturerange | -35°C to +70°C |
| Electric Life | 50000H |
| Accessories | Auxiliary contacts, shunt trips, undervoltage releases |
| Current | 100-225A |
| Standard | IEC60947-2, GB14048-2 |
| Application | Industrial, commercial, and residential electrical distribution |
| Type No | DZL25-32, DZL-63, DZL25-100, DZL25-200 |
| Max Current | 630A |
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Product Specification
| Operatingtemperaturerange | -35°C to +70°C | Electric Life | 50000H |
| Accessories | Auxiliary contacts, shunt trips, undervoltage releases | Current | 100-225A |
| Standard | IEC60947-2, GB14048-2 | Application | Industrial, commercial, and residential electrical distribution |
| Type No | DZL25-32, DZL-63, DZL25-100, DZL25-200 | Max Current | 630A |
| High Light | DC Compatible Mold Case Circuit Breaker ，Energy Storage Mold Case Circuit Breaker | ||
Safeguard high-capacity energy storage systems (ESS) with our premium DC Compatible Wide Current Range Molded Case Circuit Breaker (MCCB). Specifically engineered to meet the demanding electrical profiles of commercial, industrial, and utility-scale battery storage applications, this heavy-duty circuit breaker delivers robust overcurrent, short-circuit, and isolation protection for modern energy storage infrastructures.
As renewable integration expands, energy storage equipment requires circuit switchgear capable of handling volatile direct current (DC) loads, rapid fault spikes, and shifting bidirectional power currents. Engineered with a highly versatile, wide-adjustable current range, this DC-optimized MCCB provides continuous thermal-magnetic or electronic protection for battery banks, power conversion systems (PCS), and solar-plus-storage setups, eliminating premature trips and maximizing system uptime.
| Electrical Parameter | Specifications & Compliance Data |
|---|---|
| Product Type | DC Compatible Molded Case Circuit Breaker (DC MCCB) |
| Application Scope | Energy Storage Equipment Protection / Solar PV Arrays |
| Rated Operational Voltage (Uₑ) | Up to 1000V DC / 1500V DC |
| Rated Current Range (Iₙ) | Wide Range Adjustable (e.g., 100A to 800A or customizable modules) |
| Ultimate Short-Circuit Breaking Capacity (I꜀ᵤ) | Up to 50kA / 65kA at 1000V DC |
| Tripping Mechanism | Adjustable Thermal-Magnetic / Microprocessor-Based Electronic Tripping |
| Pole Configurations | 2-Pole, 3-Pole, 4-Pole (Series connection optimized for high DC voltage) |
| Insulation Voltage (Uᵢ) | 1000V / 1500V |
| Flame Retardancy Standard | UL94-V0 High-Performance Thermo-plastic Enclosure |
| International Certifications | CE, IEC 60947-2, CCC, RoHS Compliant |
Direct current applications are notoriously difficult to interrupt because, unlike alternating current (AC), DC does not possess a natural zero-crossing point. Our DC-compatible MCCB integrates reinforced magnetic blowout structures and heavy-duty arc chute splitters. This technology forces the high-energy electric arc rapidly into the cooling grids, quenching the fault inside milliseconds to prevent catastrophic damage to expensive lithium-ion battery racks.
Energy storage systems frequently scale up or adjust their capacity configurations over time. Featuring a wide-range adjustable trip unit dial, engineers can fine-tune the overload thermal setting (Iᵣ) and short-circuit magnetic threshold to match precise sub-array or central container loads. This single-frame adaptability significantly reduces spare parts inventory requirements for EPC contractors and asset managers.
Modern energy storage equipment operates in a continuous cycle of charging (power intake) and discharging (power delivery). This MCCB is structurally engineered to manage bidirectional current flows effortlessly, providing identical thermal-magnetic trip accuracy whether the energy is entering the battery matrix or feeding back into the centralized grid inverter.
Molded from a high-density, fiber-reinforced UL94-V0 polymer compound, the breaker shell features exceptional thermal resistance and dielectric strength. Internal contact points utilize premium silver-alloy compositions with low contact resistance, reducing thermal generation at the terminals during prolonged, high-amperage energy discharge phases.
Company Details
Business Type:
Manufacturer,Seller,Exporter,Trading Company,Distributor/Wholesaler
Year Established:
2017
Employee Number:
100~500
Ecer Certification：
Verified Supplier
Xiamen Rongmai Electric: A Comprehensive Business Upgrade and Transformation! We specialize in the R&D and manufacturing of a full range of power distribution boxes, including temporary construction site units, residential lighting panels, power distribution units, fire control cabinets, and ... Xiamen Rongmai Electric: A Comprehensive Business Upgrade and Transformation! We specialize in the R&D and manufacturing of a full range of power distribution boxes, including temporary construction site units, residential lighting panels, power distribution units, fire control cabinets, and ...
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