Littelfuse SPD2-480-M - Surge protection devices (SPDs) provide equipment protection from transient overvoltage events lasting micro-seconds. By limiting the overvoltage to the equipment during these events, costly damage and downtime can be mitigated. The surge protection devices for the 1+0 configuration are available for 60 V to 600 V nominal voltage sub-distribution board applications.
Littelfuse

SPD2-480-M

Alternate Item Number: SPD2-480-M

UPC: 079458253771

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Overview

The Littelfuse SPD2-480-M surge protection device (SPD) is a high-performance, industrial-grade solution designed to shield critical electrical equipment from destructive transient overvoltage events. Operating within a nominal voltage range of 60V to 600V, this SPD is specifically engineered for 1+0 configuration applications in sub-distribution board installations, where reliability and uptime are non-negotiable. Transient overvoltage events—often lasting mere microseconds—can inflict severe damage to sensitive electronics, motors, and control systems, leading to costly repairs, unplanned downtime, and potential safety hazards. The SPD2-480-M mitigates these risks by clamping overvoltage spikes to safe levels, thereby preserving equipment integrity and extending operational lifespan. Industrial and commercial facilities across sectors such as manufacturing, data centers, healthcare, and renewable energy rely on Littelfuse SPDs to maintain uninterrupted operations. Whether protecting variable frequency drives (VFDs), programmable logic controllers (PLCs), or other critical assets, the SPD2-480-M delivers consistent performance in environments prone to power surges from lightning strikes, switching transients, or utility grid disturbances. Its robust design ensures compatibility with sub-distribution boards, making it an ideal choice for panelboards, motor control centers, and other distribution systems where space and reliability are paramount. Selecting the right SPD involves evaluating several key factors, including voltage rating, configuration (1+0, 1+1, or 3+0), and response time. The SPD2-480-M excels in all these areas, offering a nominal voltage range of 60V to 600V to match a wide array of sub-distribution applications. Its 1+0 configuration—featuring a single protective path—simplifies installation while providing robust protection against line-to-ground or line-to-neutral transients. Professionals appreciate its modular design, which allows for easy integration into existing systems without extensive rewiring or downtime. Littelfuse, a global leader in circuit protection solutions, has built a reputation for engineering products that combine innovation, durability, and compliance with international standards. The SPD2-480-M is no exception, adhering to rigorous testing protocols to ensure consistent performance in harsh industrial conditions. Whether deployed in a dusty factory floor, a humid coastal facility, or a high-altitude data center, this SPD delivers reliable protection backed by Littelfuse’s decades of expertise in surge mitigation. Key benefits of the Littelfuse SPD2-480-M include: - **Equipment Longevity**: By limiting transient overvoltage to safe levels, the SPD2-480-M prevents premature failure of sensitive electronics, reducing maintenance costs and replacement expenses. - **Operational Reliability**: Minimizes unplanned downtime by shielding critical systems from surge-related disruptions, ensuring continuous productivity. - **Versatile Compatibility**: Suitable for a broad range of sub-distribution applications, from 60V control circuits to 600V power distribution systems. - **Easy Installation**: Designed for seamless integration into existing sub-distribution boards, with a compact form factor that saves panel space. - **Industry-Approved Protection**: Meets stringent safety and performance standards, providing peace of mind in regulated environments. For engineers, electricians, and facility managers tasked with protecting valuable assets, the Littelfuse SPD2-480-M represents a trusted, cost-effective solution. Its combination of high performance, durability, and ease of use makes it a go-to choice for safeguarding electrical infrastructure against the unpredictable nature of power surges. Invest in the SPD2-480-M to fortify your systems today and ensure uninterrupted operations for years to come.
  • 60V to 600V nominal voltage range for sub-distribution board applications
  • 1+0 configuration for simplified installation and robust protection
  • Clamps transient overvoltage spikes to safe levels, preventing equipment damage
  • Compact design for easy integration into existing panelboards
  • Trusted Littelfuse quality with compliance to international standards

Specifications

Application
Equipment protection from transient overvoltages
Brand Name
Littelfuse
Series
SPD2
Special Features
DIN Rail Mount
Standard
UL Listed/VDE/IEC
Sub Brand
SPD2 Series
Type
Type 2 Surge Protection Devices
Voltage Rating
60-600 V
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Power supply for DIN-rail
DIN Rail ? DIN 35

ARH 1656

DIN Rail ? DIN 35
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STP6X12MIG

This TX6A 10Gig Cat 6A STP Patch Cord is a 12-Meter, Int'l Grey cord constructed of 26 AWG, shielded, twisted pair, stranded, CM/LSZH cable and with high-performance modular plugs. Its tangle-free latch prevents snags and ensures a fast release, streamlining moves, adds, and changes. The slender strain relief boot provides easy access in high-density applications. Enabled with RapidID, the product has pre-installed barcodes for simple port mapping using RapidID software.
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CESUM3-C15

Membrane plate cable entry system offers a good strain relief while maintaining IP/NEMA ingress sealing rating. The CESUM3-C15 is a Rectangular Un-Terminated Cable Entry System, 4.1" (103 mm) Long, with 8 Openings 0.12" (3.0 mm) to 0.31" (8 mm), 3 Openings 0.20" (5.1 mm) to 0.35" (9.0 mm), 4 Openings 0.3" (7.5 mm) to 0.47" (12.0 mm). Color is Black. Standard Package Quantity is 1 PC.

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.