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300V 250V Each Pole DC MCB Circuit Breaker Solar safety
US$1.12-1.84
1 Piece
Sample price:US$3.00/piece.Request sample
Product profile
Breaking Capacity
Low Voltage Circuit BreakersOperation
Electric TypeSpeed
Normal Type Circuit BreakerArc-extinguishing Medium
AirInstallation
DIN RailStructure
Solar Arrester Surge ProtectorPoles Number
3Type
Circuit BreakerFunction
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCBCertification
VDE, ISO9001-2000, CE, CB, CCC, SAAVoltage Ui
500V ACICU
10kaFrame Current
63ARated Working Voltage
Normal VoltageTransport Package
by Sea/AirSpecification
boxTrademark
AswichOrigin
ChinaHS Code
853650Production Capacity
1000000PC/YearKey features
High Voltage DC Protection: Rated for DC 550V, 800V, and 1000V with breaking capacity for solar PV systems.
Comprehensive Safety Features: Provides overcurrent, short circuit, OVP, and earth fault protection with contact indication.
Flexible Customization: Supports full customization, minor customization, and customization from samples or designs.
Wide Current Range: Available in rated currents from 6A to 125A with C curve type for various applications.
Certified Quality: Holds VDE, CE, CB, CCC, SAA, and ISO9001-2000 certifications for global compliance.
Easy DIN Rail Mounting: Designed for easy installation on standard 35mm DIN rails with terminal or busbar connections.
Low Maintenance Design: Requires no maintenance and is safe for non-professional operation with clear ON-OFF indication.
Surge Protection Ready: Compatible with upstream surge protective devices to guard against potential voltage surges.
Company profile

Onccy Electrical Co.,LtdShanghai, China
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 6 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤4.61h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryAswich Electrical Co., Ltd is an established electrical-component manufacturer founded in 1988, with more than 30 years of experience, a 30,000-square-meter production base, automated production lines, and stated annual DC isolator output of 1,000,000 pieces. It demonstrates broad customization capability, recent new-product activity, quality assurance, ISO9001:2015 and ISO14001 accreditation, and UL-related certification capability. Customer complaint handling is documented, but corrective and preventive actions for service capability lack written procedures or records. The supplier has valid manufacturing contracts with associated subcontractors but reports no inventory, overseas warehouse, overseas showroom, overseas agents, or branches. Financial information is present for multiple years, but the provided slices do not establish financial strength. No specific customer cases or named customers are supplied.
Supplier typeThe supplier is identified as an electrical and electrical-component manufacturer and seller, with experience manufacturing switches and circuit breakers since 1988. Its owned production base, laboratory, automated lines, and stated DC isolator output support classification as a manufacturer rather than only a trader.
CertificationsThe company is stated to hold ISO9001:2015 and ISO14001 accreditation, and its sustainable-development and product-certification capability lists UL and other certifications. These are explicit certification-related strengths, although the specific UL-certified products are not identified.
After-Sales capabilityThe supplier has a clear procedure and followed records for customer complaints, but it has no written procedures or records for corrective and preventive actions related to service capability. It also reports no inventory, overseas warehouse, overseas showroom, overseas agents, or branches, limiting evidence of local or rapid overseas support.
R&D capabilityThe supplier reports new products during the past year, high R&D investment, 50 total years of R&D engineer experience, and a national science and technology progress award. It does not provide an SDK and does not offer ODM services, but these limitations do not negate the explicit evidence of product R&D capability.
Production capacityProduction evidence includes a 30,000-square-meter plant, multiple automated production lines, an owned laboratory, valid contracts with each associated subcontractor, and stated DC isolator output of 1,000,000 pieces. Finished products are checked by packing staff, while no inventory capability is reported; overall manufacturing capacity is supported, but the inspection method appears limited in the provided information.
Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. This is reinforced by the listed design-service capability for customization from samples, demonstrating broad stated customization coverage.
Product Q&A
Q:What is the rated voltage for this DC MCB?
A:
The rated voltage supports DC 550V, 800V, and 1000V, suitable for various solar PV system requirements.
Q:What protection functions does this circuit breaker offer?
A:
It provides overcurrent protection, short circuit protection, overvoltage protection (OVP), and earth fault/leakage current protection.
Q:Can this product be customized?
A:
Yes, we offer full customization, minor customization, and customization from samples or designs.
Q:What certifications does this product have?
A:
The product is certified with VDE, CE, CB, CCC, SAA, and ISO9001-2000 standards.
Q:How is the circuit breaker installed?
A:
It is designed for easy mounting onto standard 35mm DIN rails and supports terminal or pin/fork type busbar connections.
Send Inquiry
*To:
Onccy Electrical Co.,Ltd
Onccy Electrical Co.,Ltd*Content:
Supplier replies will be sent to your registered email
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