1500V 4000A YRSA7-PK High Speed Fuse

The YRSA7-PK 1500V high-speed fuse delivers ultra-reliable overcurrent protection for semiconductor devices in demanding industries such as renewable energy stations, rail transit, and energy storage systems. With a 250kA breaking capacity and compliance with UL 248-13 and IEC60269-4 standards, this 4000A DC fuse ensures rapid fault isolation, minimizing downtime in critical applications like solar farms and electric vehicle charging infrastructure. Zhejiang Galaxy Fuse combines advanced R&D expertise with ISO-certified manufacturing, producing high-speed fuses trusted by global partners. Our vertically integrated supply chain guarantees fast delivery, with bulk inventory supporting urgent project demands. For instance, the YRSA7-PK series has been deployed in European rail networks to protect traction systems against short circuits, showcasing its high mechanical vibration resistance (up to 10g acceleration).

Model:YRSA7-PK

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Product Description

1500V YRSA7-PK High Speed Fuse

Approvals & Standards

• GB/T13539.4

• IEC60269-4

• UL 248-13

Class of Operation

• aR

Features & Benefits

• 1500VDC/1250VAC system compatibility
• 1500A-4000A wide current range
• 250kA breaking capacity (ultra-high fault protection)
• Low I²t let-through energy (minimizes damage to semiconductors)
• High mechanical vibration resistance (up to 10g acceleration)
• Compact design (saves space in power cabinets)
• Direct M12 stud mounting (easy installation)
• Compliant with global standards (IEC, UL, GB)
• Visual fuse blown indication (quick maintenance diagnosis)

Applications

• Semiconductor device protection (IGBTs, thyristors)
• Renewable energy systems (solar inverters, wind turbines)
• Rail transit traction systems
• Energy storage systems (BESS)
• Industrial motor drives
• EV charging stations

Country of Origin

• People's Republic of China

Parameters

Model	Rated Voltage	Rated Current (A)	Breaking Capacity (kA)
YRSA7-PK	1500VDC	1500-4000A	250

Size (mm)

Characteristic Curve

1500VDC 1500-4000A 250KA

Hot Tags: 1500V high speed fuse, YRSA7-PK fuse, 4000A DC fuse, UL 248-13 fuse, IEC60269-4 fuse, semiconductor protection fuse, high breaking capacity fuse (250kA), new energy fuse, rail transit fuse, energy storage system fuse

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