Littelfuse PSX1XLDB0160 - POWR-SPEED SQB SIZE 1XL DIN BL 160A. Littelfuse PSX series 1500 V dc high-speed square bodyfuses are specially designed to protect battery energy storage systems (BESS), photovoltaic inverters, and many of dc applications such as dc common bus systems, larger industrial regenerative drives, rectifiers and, metal processing equipment. The PSX series fuses are extremely fast-acting, offering high-speed performance up to 1500 V dc, ranging from 80 A to 1400 A in the smallest NH XL package sizes. The PSX series is available with multiple mounting terminations including flush-end style, DIN-style and bolted-blade style. Visual blown fuse indication is standard on all fuses and optional micro-switch is available for external indication. PSX series are certified to UL 248-13 and designed to meet EN high-speed semiconductor fuse standard and IEC 60269-7, a new battery protection fuse standard in development.
Littelfuse

PSX1XLDB0160

Alternate Item Number: PSX1XLDB0160X

UPC: 079458263237


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Overview

The Littelfuse PSX1XLDB0160 POWR-SPEED SQB SIZE 1XL DIN BL 160A fuse represents a pinnacle of high-speed DC protection, engineered for the most demanding industrial applications. Specifically designed to safeguard critical infrastructure such as Battery Energy Storage Systems (BESS), photovoltaic (PV) inverters, and robust industrial DC systems, this fuse ensures operational integrity and safety. Its advanced design offers ultra-fast acting performance, crucial for mitigating transient overcurrents and short circuits in high-voltage DC environments. Part of Littelfuse's distinguished PSX series, this 160A fuse operates reliably up to an impressive 1500 V dc. The PSX series is renowned for its ability to deliver exceptional high-speed performance across a wide current range (80 A to 1400 A), all within the compact and efficient NH XL package size. This miniaturization without compromising protection capabilities allows for greater design flexibility and space savings in control panels and equipment. The PSX1XLDB0160 is available with multiple mounting termination options to suit diverse installation requirements. These include the standard flush-end style, the widely adopted DIN-style for easy rail mounting, and the secure bolted-blade style for heavy-duty connections. This versatility ensures seamless integration into existing or new system designs. Safety and operational awareness are paramount. The PSX series fuses come standard with visual blown fuse indication, providing an immediate and clear signal when a fuse has operated. For enhanced system monitoring and automation, an optional micro-switch is available, enabling external indication and integration with supervisory control and data acquisition (SCADA) systems or alarm panels. Compliance and certification are cornerstones of Littelfuse's product development. The PSX1XLDB0160 is certified to the stringent UL 248-13 standard, guaranteeing its performance and reliability for North American markets. Furthermore, it is designed to meet the rigorous EN high-speed semiconductor fuse standard and the emerging IEC 60269-7 standard, which specifically addresses battery protection fuse requirements. This dual compliance underscores its suitability for cutting-edge DC applications. Key features and benefits of the Littelfuse PSX1XLDB0160 include: * **High-Speed DC Protection:** Ultra-fast acting for rapid fault clearing. * **Wide Voltage Range:** Rated for up to 1500 V dc, ideal for high-voltage systems. * **Compact NH XL Package:** Space-saving design without sacrificing performance. * **Versatile Mounting Options:** Available in flush-end, DIN-style, and bolted-blade terminations. * **Standard Visual Indication:** Clear blown fuse indication for quick identification. * **Optional Micro-Switch:** Enables external monitoring and system integration. * **Industry Certifications:** UL 248-13, EN high-speed semiconductor, and designed to IEC 60269-7 standards. Applications for the PSX1XLDB0160 extend across critical sectors: * Battery Energy Storage Systems (BESS) * Photovoltaic (PV) Inverters * DC Common Bus Systems * Large Industrial Regenerative Drives * Rectifiers * Metal Processing Equipment When selecting DC protection, especially for high-energy systems, the Littelfuse PSX series, including the PSX1XLDB0160, offers a trusted and high-performance solution. Littelfuse's long-standing reputation for quality and innovation in circuit protection makes this fuse an excellent choice for engineers and system designers prioritizing safety, reliability, and advanced technology.
  • 160A, 1500V DC high-speed protection for critical DC applications.
  • Specifically designed for Battery Energy Storage Systems (BESS) and PV inverters.
  • Compact NH XL package size with versatile DIN-style mounting.
  • Features standard visual blown fuse indication; optional micro-switch available.
  • UL 248-13 certified and designed to meet EN/IEC high-speed fuse standards.

Specifications

Amperage Rating
160 A
Brand Name
Littelfuse
Case Size
NH 1XL
Interrupting Rating
111 kA @ 1500 Vdc
Response Time
Very Fast-Acting (FF)
Sub Brand
POWR-SPEED® Fuse
Type
Square Body Fuse
Voltage Rating
1500 V
Watts loss at 100% rated current
24.6 W
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9F61 Size B Clips 1.6in

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9F61 Size B Clips 1.6in
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.

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.