Littelfuse PSR030DL0200 - Littelfuse PSR series high-speed square body fuses are specially designed for protection of power semiconductor devices such as diodes, triacs, IGBTs, SCRs, MOSFETs, and other solid-state devices that are typically designed into power conversion and power conditioning equipment. Variable frequency drives, inverters, UPS, rectifiers, and soft-starters are examples of typical equipment designed with sensitive power semiconductor devices that cannot withstand any line surge or overcurrent conditions and require high-speed protection. Littelfuse POWR-SPEED® PSR series products offer optimized circuit protection at the extremely fast speed required to protect modern day power conversion devices. Available in DIN43653 blade style termination with visual blown fuse indication standard on all fuses and optional micro-switch for external indication.
Littelfuse

PSR030DL0200

Alternate Item Number: PSR030DL0200Z

UPC: 079458250596


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Overview

The **Littelfuse PSR030DL0200** is a high-performance **high-speed square body fuse** engineered for the rigorous demands of modern power semiconductor protection. Designed to safeguard critical solid-state devices such as diodes, triacs, IGBTs, SCRs, and MOSFETs, this fuse delivers ultra-fast response times to mitigate the impact of line surges and overcurrent conditions that can compromise sensitive power conversion and conditioning equipment. With a **200A current rating**, the PSR030DL0200 is optimized for high-power applications where reliability and precision are non-negotiable. Power conversion systems—including **variable frequency drives (VFDs), inverters, uninterruptible power supplies (UPS), rectifiers, and soft-starters**—rely on components like the PSR series to prevent catastrophic failures. Unlike standard fuses, high-speed fuses such as the PSR030DL0200 are specifically formulated to protect power semiconductors, which cannot tolerate even brief overcurrent events. The **square body design** enhances thermal management and mechanical stability, while the **DIN43653 blade-style termination** ensures secure, low-resistance connections in industrial environments. A standout feature of the PSR series is the **visual blown fuse indication**, which provides immediate confirmation of fault conditions without the need for additional diagnostic tools. This feature is critical in high-uptime applications where minimizing downtime is a priority. For enhanced monitoring capabilities, the PSR030DL0200 is also available with an **optional micro-switch** for external indication, enabling seamless integration with control systems and remote monitoring platforms. Littelfuse’s **POWR-SPEED® PSR series** is trusted by engineers and technicians across industries such as **renewable energy, industrial automation, data centers, and electric vehicle charging infrastructure**. The series is part of Littelfuse’s legacy of innovation in circuit protection, a company renowned for its expertise in safeguarding critical power electronics. Whether deployed in a **solar inverter, industrial motor drive, or high-power rectifier**, the PSR030DL0200 ensures that sensitive semiconductors operate within safe parameters, extending equipment lifespan and reducing maintenance costs. Installation is straightforward thanks to the **DIN43653 blade-style termination**, which is compatible with standard fuse holders and disconnect switches. The fuse’s **compact square body** design allows for efficient space utilization in control panels and switchgear, while its robust construction ensures durability in harsh operating conditions. Professionals selecting the PSR030DL0200 can be confident in its ability to handle the most demanding applications, from **high-frequency switching circuits** to **high-inrush motor starting scenarios**. For engineers tasked with designing or maintaining power conversion systems, the Littelfuse PSR030DL0200 represents a reliable, high-speed solution that balances performance, safety, and ease of use. Backed by Littelfuse’s global reputation for quality and technical support, this fuse is a smart choice for protecting the heart of modern electrical systems—power semiconductors.
  • 200A high-speed fuse for power semiconductor protection
  • Square body design with DIN43653 blade-style termination
  • Visual blown fuse indication for quick fault detection
  • Optional micro-switch for external monitoring
  • Trusted by Littelfuse for industrial power conversion applications

Specifications

Amperage Rating
200 Amp
Application
Power conversion devices
Brand Name
Littelfuse
Connection Type
DIN43653 blade style
Current Rating
200 A
Interrupt Rating
200kA@700VAC
Response Time
Very Fast-Acting (FF)
Series
PSR
Size
Square body
Special Features
DIN Blade
Sub Brand
POWR-SPEED® PSR Series
Type
Square Body Fuse
Voltage Rating
700/600 VAC/VDC
Package Weight (Imperial)
2.400 L
Package Weight (Metric)
1.089 kg
Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount

GPM-SRR90

Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount
Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20

C331156

Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20
Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8

1SCM8

Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8
Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

LCC5

POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.
9F61 Size B Clips 1.6in

9F61BWW460

9F61 Size B Clips 1.6in

Frequently Asked Questions about Littelfuse

What certifications and standards do Littelfuse products comply with?

Littelfuse products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Customers can verify specific product certifications by consulting individual product datasheets on Littelfuse.com, which provide comprehensive details about standards compliance for each component.

What industries and applications are Littelfuse products used for?

Littelfuse products are critical for electrical protection and safety across multiple industrial sectors, including manufacturing, automation, power distribution, and electrical control systems. Their comprehensive product portfolio serves industries that require robust electrical protection, including motor and pump applications, solar installations, programmable logic controllers (PLCs), electrical switch panels, and critical infrastructure environments. Key product lines protect against overcurrent, voltage transients, ground faults, and temperature-related electrical risks, ensuring equipment safety and operational reliability.

What technical support does Littelfuse offer?

Littelfuse offers comprehensive technical support through multiple channels. Their Technical Hotline (800-TEC-FUSE) provides direct access to engineers who can help identify issues and recommend solutions. Additionally, Littelfuse offers extensive online Technical Resources at Littelfuse.com, including datasheets, product manuals, whitepapers, application guides, and online design tools. Their experienced product and application engineers also provide step-by-step support from design to installation.

What are the main product lines offered by Littelfuse?

Littelfuse offers comprehensive industrial protection and control product lines, including fuses, fuse holders, protection relays, temperature sensors, and electrical safety components. Their key product categories span surge protective devices, custom OEM products, electrical switch panels, medium voltage fuses, ground-fault protection relays, motor and pump protection devices, and temperature sensors. These products are designed to minimize electrical safety hazards, limit equipment damage, improve productivity, and safeguard personnel from electrical faults.

What are the key features of Littelfuse products?

Littelfuse products feature exceptional circuit protection technologies with key characteristics including UL/IEC safety standard compliance, low internal resistance, and advanced protective capabilities across multiple product lines. Their components provide critical protection for industrial systems, offering features like overcurrent protection, voltage transient suppression, and resettable protection devices with ultra-low resistance and compact designs. Key product lines include fuses, metal oxide varistors (MOVs), TVS diodes, PolySwitch devices, and specialized electronic protection components that enhance system reliability and safety.

What environmental ratings do Littelfuse products have?

Littelfuse products feature comprehensive environmental ratings, including NEMA Type 1, 2, 3, 3R, 4/4X, 12, and 13 certifications, as well as IP65 protection. These ratings ensure superior protection in diverse industrial environments, with an operating temperature range of -40°F to +131°F (-40°C to +55°C). Many products also include UV-stabilized materials and neoprene gaskets for enhanced durability in outdoor and challenging conditions.

What accessories are available for Littelfuse products?

Littelfuse offers several key accessories across their product lines, including fuse holders, voltage monitoring modules, and terminal connectors. Specific accessories include the LPSM003ZXID (indicating) and LPSM003Z (non-indicating) POWR-SAFE Dead Front fuse holders for Class CC and Midget-Style fuses, the VRM6048 voltage monitor accessory module, and female quick connect terminals (P1015 series) in various wire gauge sizes. These accessories are designed to enhance protection, monitoring, and connectivity for Littelfuse electrical components.

What is Littelfuse's warranty policy?

Littelfuse provides comprehensive warranty details on their official website at www.littelfuse.com/warranty. Customers should visit this page to review the specific warranty terms and conditions for their specific product lines. For direct warranty support or questions, customers can contact Littelfuse Technical Support at 1-800-TEC-FUSE or email [email protected].

What communication protocols do Littelfuse products support?

Littelfuse supports a comprehensive range of industrial communication protocols, including PROFIBUS, PROFINET, EtherNet/IP, DeviceNet, Modbus RTU, and CANopen. Our products provide flexible connectivity solutions across multiple industrial automation platforms, enabling seamless integration with various control systems and network architectures.

How are Littelfuse products typically installed?

Littelfuse products are typically installed using specialized mounting hardware like fuse holders, blocks, and panels designed for specific industrial applications. The POWR-SAFE Dead Front holders, for example, provide optimum protection for Class CC and Midget-Style fuses, supporting installations up to 600 VAC/DC. Installation often involves using precision terminals with strain relief, such as 0.25 in. female quick connect terminals, to ensure secure and safe electrical connections in industrial control systems.