Name: SINOFUSE RS309-MD-EVS-450A-500A-550A-630A 500V High Voltage Fuses for EV Charger ESS Solar
Brand: Beian New Energy Co., Ltd.~Total Power Solution Provider
SKU: 1600943749426
Price: 54.90 USD
Availability: InStock
Rating: 5 (1 reviews)

Description

Breaking Capacity

High

Material

Ceramic, Copper

Safety Standards

IEC

Type

Fast Acting Fuse

Place of Origin

Shaanxi, China

Model Number

RS309-MD-EVS

Brand Name

SINO FUSE

Fuse Indicator

Non-Indicating

Lead Type

Axial

Number of Pole

Operating Temperature

-55°C ~ +150°C

Response Time

Fast Blow

Application

High Voltage

Rated voltage

AC/DC 500V

Breaking capacity

20kA

Performance reference

UL248 IEC60269

certification

ISO8820 GB/T31465

Packaging and delivery

Selling Units

Single item

Single package size

11X6X6 cm

Single gross weight

0.400 kg

Product descriptions from the supplier

The RS309 Series from Sinofuse is a range of bolt-type, fast-acting fuses engineered to provide ultra-reliable circuit protection in high-demand applications across various industries. Renowned for their exceptional breaking capacity, compact design, and robust performance, these fuses are the trusted choice for safeguarding critical equipment against overcurrent and short-circuit faults.Key Features & Selling PointsUltra-High Breaking Capacity: With an impressive AC 100kA / DC 50kA breaking capacity, the RS309 series can safely interrupt extreme fault currents, ensuring system safety and minimizing downtime in critical applications.Fast-Acting Protection: Designed with a low I²t value and rapid response characteristics, they provide precise protection for sensitive and expensive semiconductor devices like IGBTs in inverters and converters.Global Compliance & Certifications: Our fuses meet stringent international standards, including IEC 60269, ISO 8820, and GB/T 31465. They are also CE certified and comply with the RoHS directive, ensuring quality and environmental safety for global markets.Rugged & Reliable Construction: The bolt-type connection ensures secure mounting and excellent electrical contact. Built to endure harsh conditions, these fuses can withstand high mechanical shock, vibration, wide temperature fluctuations, and strong chemical influences.IoT Readiness (Future-Ready): Aligning with industry trends towards smart monitoring, our platform is prepared for solutions that integrate IoT capabilities for real-time current and temperature monitoring, enabling predictive maintenance.Target Applications & IndustriesThe RS309 series is versatile and ideal for multiple high-growth sectors:New Energy Vehicles (EV): Protection for main drive inverters, battery management systems (BMS), onboard chargers (OBC), and DC-DC converters.Energy Storage Systems (ESS): Safeguarding battery packs and power conversion systems (PCS) in commercial, industrial, and utility-scale storage solutions.Industrial Equipment: Protection in frequency converters, motor drives, UPS systems, rectifiers, and various power supplies.Charging Infrastructure: Used in DC fast charging piles and AC charging modules to ensure safe and reliable operation.Renewable Energy: Circuit protection in photovoltaic (PV) inverters and wind power systems.

Sinofuse , established in 2007, is a leading National High-Tech Enterprise and a renowned "Little Giant" enterprise specializing in advanced circuit protection. We are dedicated to the R&D, production, and sales of high-quality fuses, busbars, and related accessories.With over 200 patents and participation in drafting numerous national and industrial standards, our technical expertise is industry-leading. Our products are critical components in strategic emerging industries worldwide, including new energy vehicles, renewable energy generation, and energy storage systems. We are proud to be an integrated solution supplier for global energy protection.Core Products & ApplicationsSinofuse products are engineered for superior performance, high reliability, and ultimate safety, ensuring the protection of your critical systems.1. Electric Vehicle (EV) Application SeriesProviding comprehensive protection for modern electric vehicle high-voltage systems, from the main circuit to auxiliary components.Main Circuit Protection: RS309 Series (e.g., RS309-MD-EV), EV8MKM Series. Rated current 50A to 1000A at 500VDC. Designed for high breaking capacity, protecting traction battery packs, motor drives, and main circuits.Auxiliary Circuit Protection: EV315 Series (e.g., EV315-L-3EB). Rated current 10A to 50A at 500VDC. Ideal for protecting PTC heaters, air conditioning compressors, and DC-DC converters.Emergency Safety Protection (Pyrofuse): SFM Series Incentive Fuses. Ultra-fast operation (<2ms). Designed to instantly disconnect the high-voltage circuit in the event of a severe collision or short circuit, meeting the highest safety standards.2. Wind, Solar & Energy Storage Application SeriesOffering end-to-end protection for photovoltaic plants, wind turbines, and Energy Storage Systems (ESS), from the battery to the grid.Battery Rack/String Protection: RSZ307 Series. Our flagship product for ESS. Rated for 1000VDC & 1500VDC, with a current range of 100A to 3000A and exceptional breaking capacity (up to 50kA). The ideal solution for protecting battery clusters and main circuits.Converter/Inverter Protection: RS306 Series. Suitable for AC 690V and DC 500-700V systems, with a current range of 40A to 1250A. Widely used in PV inverters, wind converters, and energy storage PCS.Control Circuit Protection: FGB Series. Low-current fuses (2A-32A) for precise protection of control systems, monitoring modules, and secondary circuits.Why Choose Sinofuse?Technology Leader: Active contributor to national standards. Continuous R&D investment ensures products meet global cutting-edge performance.Quality & Certification: Products certified to UL, IEC, GB, JASO, ISO, and more. Guaranteed reliability and global compliance.Proven Performance: A leading market share in the domestic NEV fuse segment. Trusted by major automotive and energy companies worldwide.Customization Support: Our strong engineering team provides rapid custom solutions and technical support for unique application requirements.\uD83E\uDD1D How to Cooperate With UsConsultation: Provide your system parameters (voltage, current, application). Our engineers will recommend the optimal product.Sample Testing: We provide samples for your evaluation and validation.Order & Production: After technical confirmation, we execute efficient mass production.Quality Delivery: Strict quality control ensures on-time delivery of reliable products.Continuous Support: We offer comprehensive technical support and after-sales service as your long-term partner

EV APPLICATIONS
Series	Key Features	model
EV315 series	Rated voltage: DC 500V Rated current: 10A-50A Low voltage auxiliary circuit protection for new energy vehicles, such as battery management systems (BMS), PTC heaters, air conditioning compressors, DC-DC converters, etc.	EV315-L-3EB, EV315-L-3E, EV315-H-3EC, EV315-H-3EE
RS309 series	Rated voltage: DC 500V Rated current: 50A -900A Bolt connection type, covering the medium to high current range. Used for protecting core components such as the main circuit, main distribution box (PDU), motor controller, and on-board charger (OBC) of new energy vehicles.	RS309-MD-EV, RS309-MS-MD-EV
SFM series excitation fuse	Rated voltage: DC 500V Pyrofuse (explosive fuse), with an extremely fast action time (＜2ms) It is an important safety protection device used to urgently cut off the high-voltage main circuit in the event of sevre collision or short-circuit fault.	SFM-400-EB
EV8MKM series	Rated voltage: DC 500V Rated current: 500A -1000A High current main fuse provides protection for the main drive circuit and high-power battery pack output of new energy vehicles.	EV8MKM-500A, EV8MKM-630A
WIND AND SOLAR ENERGYSTORAGE APPLICATIONS
Series	Key Features	model
RS306 series	Rated voltage: AC 690V / DC 500-700V Rated current: 40A - 1250A General-purpose power fuse. Widely used for AC and DC side input/output protection in photovoltaic inverters, wind power converters and energy storage converters (PCS).	RS306-01-SLP, RS306-1-T12, RS306-2-T12
RSZ307 series	Rated Voltage: DC 1000V / 1500V, Rated Current: 100A - 3000A. This core product is specifically designed for energy storage systems, tailored for high-voltage and high-current applications with extremely high breaking capacity (e.g., DC50kA). It is mainly used to protect battery racks (Battery Rack), the DC side of energy storage converters (PCS), and the main circuits in energy storage systems.	RSZ307-3-T52 (1000V), RSZ307-5 (1500V), RSZ307-N-UJP
FGB series	Rated voltage: AC 690V Rated current: 2A - 32A Low-current fuses are used for overcurrent protection in secondary circuits such as control circuits, monitoring circuits, and alarm systems in wind-solar-storage systems.	FGB-A-3E

SINOFUSE RS309-MD-EVS-450A-500A-550A-630A 500V High Voltage Fuses for EV Charger ESS Solar

Description

Packaging and delivery

Product descriptions from the supplier

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