GRL DNESS5-S8J aBat Battery Fuse Link DC 1500V 450-2000A 250kA Short Circuit Protection Of Battery System

Model No.：

DNESS5-S8R

Rated Voltage：

DC1500V

Current Range：

450A-2000A

Breaking Capacity：

250kA

Protection Category：

aBat

Standards：

IEC 60269-7

Certification Contact Us

Description

Semiconductor Protection Fuse Technical Parameters

Specification and model	size	Rated voltage V	Rated current A	Rated breaking capacity kA	forearc I²t kA²s	fusing I²t kA²s	In Dissipated power W
DNESS5-S8J-450	5	DC 1500V	450	250kA	40	162	199
DNESS5-S8J-500			500		58	226	209
DNESS5-S8J-550			550		83	296	225
DNESS5-S8J-630			630		118	456	236
DNESS5-S8J-700			700		168	605	243
DNESS5-S8J-800			800		240	982	268
DNESS5-S8J-900			900		343	1305	281
DNESS5-S8J-1000			1000		490	1802	296
DNESS5-S8J-1100			1100		703	2604	308
DNESS5-S8J-1250			1250		1003	3502	332
DNESS5-S8J-1350			1350		1475	4829	350
DNESS5-S8J-1500			1500		2107	5861	360
DNESS5-S8J-1600			1600		3010	7840	369
DNESS5-S8J-1800			1800		4300	11200	393
DNESS5-S8J-2000			2000		5375	13975	421

Ultimate DC Protection for Next-Generation Energy Storage: DNESS5-S8J 1500VDC, 2000A aBat Fuse

The Critical Role of High-Voltage DC Fuses in BESS

In the rapidly expanding landscape of renewable energy, Battery Energy Storage Systems (BESS) are the cornerstone of grid stability and energy independence. The scale and complexity of these systems demand uncompromising safety and reliable component performance. At the heart of this safety infrastructure lies the DC fuse, a critical component designed to protect high-value assets like battery racks, inverters, and power conversion systems (PCS) from catastrophic overcurrent and short-circuit faults.

The transition to higher DC voltages, such as 1500VDC, is a key trend in large-scale energy storage systems to improve efficiency and reduce installation costs. This technological shift necessitates specialized protection devices. Our DNESS5-S8J series fuse is specifically engineered to meet these extreme requirements, delivering ultra-fast protection for the most demanding BESS and utility-scale solar applications.

DNESS5 S8J Fuse for battery2

DNESS5-S8J Product Overview – Unmatched Specifications

The DNESS5-S8J fuse is not just a component; it is a premium battery fuse solution designed for modern, high-power DC systems. It combines robust construction with sophisticated engineering to offer an unparalleled level of safety.

The “aBat” utilization category is crucial for battery protection, signifying a fuse capable of providing reliable short-circuit protection in DC battery circuits. The DNESS5-S8J’s ability to handle up to 2000A at a challenging 1500VDC makes it the ideal choice for safeguarding large-scale battery banks, where high currents and voltages are the norm.

Click to download product catalog DNESS3-S8 series Fuse for battery system Protection

Engineered for Excellence: Features and Benefits of DNESS5-S8J

Choosing the DNESS5-S8J means investing in the longevity and operational security of your Energy Storage System. Our fuse is engineered with distinct features that translate directly into operational benefits:

Feature	Benefit for Energy Storage Systems (ESS)
1500VDC Rating	Compatibility with modern BESS architectures, maximizing system efficiency and reducing line losses.
Max 2000A Current Handling	Suitable for mega-watt scale battery packs and DC busbars, providing robust protection for high-power circuits.
aBat Protection Class	Optimized for the unique characteristics of battery faults, ensuring fast-acting short-circuit interruption with high-current limiting capability.
Low Watt Loss	Reduces operational energy consumption and heat generation, extending the lifespan of the fuse and surrounding components.
High Breaking Capacity	Safely clears massive fault currents common in large battery banks, preventing costly and catastrophic system failures.
Robust Construction	Engineered for harsh ESS environments, providing reliable performance over a long service life and high duty cycles.

The DNESS5-S8J ensures your 1500VDC battery system maintains selective coordination, a vital aspect of BESS design where only the closest fuse to the fault trips, keeping the rest of the system online and minimizing downtime. This characteristic is paramount for grid-tied power conversion systems (PCS).

Applications in the Energy Storage Sector

The versatility and high ratings of the DNESS5-S8J make it an essential safety device across multiple facets of the renewable energy and Energy Storage markets:

Utility-Scale BESS Racks: Providing primary overcurrent and short-circuit protection for high-power battery racks and containers (e.g., Li-ion, Flow Batteries) operating at 1500VDC nominal voltage.
DC Busbar Protection: Safeguarding the main DC bus that interconnects battery banks with the Power Conversion System (PCS) against faults up to 2000 Amps.
Large-Scale Solar-Plus-Storage Projects: Crucial for DC-coupled systems where high DC voltage and current protection are needed between the PV array, batteries, and inverters.
Heavy-Duty Industrial DC Systems: Applicable in other high-power DC distribution or heavy-duty industrial systems requiring high-speed DC fuse protection.

In a world where power density is key, the compact design of the DNESS5-S8J fuse allows for space-efficient integration within increasingly dense battery cabinets, simplifying installation and maintenance.

GRL Group

Why the DNESS5-S8J is the Smart SEO Choice for Buyers

When procurement teams and engineers search for “high-capacity DC fuses” or “1500VDC battery protection,” they are looking for specific, technical solutions that address their system’s unique challenges. The DNESS5-S8J product is positioned to capture this targeted traffic due to its specific and industry-relevant specifications:

Specificity: The exact match of 1500VDC, 2000A, and aBat protection class directly answers sophisticated search queries.
Problem-Solving: We highlight its role in preventing catastrophic failures in Energy Storage Systems, a primary concern for BESS operators.
Compliance & Trust: Mentioning compliance with standards (e.g., IEC) establishes the fuse as a trusted, globally acceptable component.

The DNESS5-S8J guarantees peace of mind by providing a reliable and robust shield for your most valuable energy storage assets. Protect your investment with a fuse designed for the future of high-voltage DC power.

Secure Your 1500VDC Investment Today

Don’t compromise the safety of your multi-million dollar Battery Energy Storage System. The DNESS5-S8J fuse offers the unparalleled combination of 1500VDC rating, 2000A capacity, and aBat optimized performance, making it the definitive choice for next-generation ESS protection.

Contact our sales team today to learn more about the DNESS5-S8J and request a technical datasheet for seamless integration into your high-voltage DC system design.

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