Littelfuse SPD2-300-3P1 - 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

SPD2-300-3P1

Alternate Item Number: SPD2-300-3P1

UPC: 079458257694

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Overview

Safeguard your critical electrical infrastructure with the Littelfuse SPD2-300-3P1 Surge Protection Device (SPD). Designed to combat the pervasive threat of transient overvoltage events, this industrial-grade SPD is engineered to protect sensitive equipment from damaging surges that can last mere microseconds. These rapid, high-energy events, often caused by lightning strikes or internal switching operations, can lead to catastrophic equipment failure, costly repairs, and significant operational downtime. The SPD2-300-3P1 effectively mitigates these risks by clamping the voltage to a safe level, thereby preserving the integrity and longevity of your electrical systems. This specific model, the SPD2-300-3P1, is optimized for 1+0 configuration applications, a common setup in sub-distribution boards where a single SPD is installed per phase. It offers robust protection across a wide nominal voltage range, from 60V up to 600V, making it a versatile solution for diverse industrial and commercial environments. Whether you are managing power distribution in manufacturing plants, data centers, commercial buildings, or utility substations, this SPD provides a crucial layer of defense. The benefits of integrating the Littelfuse SPD2-300-3P1 are substantial: * **Enhanced Equipment Longevity:** By preventing overvoltage stress, the SPD significantly extends the operational life of connected machinery and electronic components. * **Reduced Downtime:** Proactive surge protection minimizes unexpected failures, ensuring continuous operation and preventing costly production or service interruptions. * **Cost Savings:** Avoid expensive repair bills and the loss of revenue associated with equipment damage and downtime. * **Reliable Performance:** Littelfuse is a globally recognized leader in circuit protection, and the SPD2-300-3P1 embodies their commitment to quality, reliability, and advanced technology. Installation of the SPD2-300-3P1 is straightforward within sub-distribution board architectures, allowing for quick integration into existing electrical panels. Its robust construction ensures durability in demanding industrial settings. Professionals rely on Littelfuse SPDs for their consistent performance and adherence to stringent industry standards. When selecting surge protection, choosing a reputable manufacturer like Littelfuse, with a proven track record in developing high-performance solutions, is paramount. The SPD2-300-3P1 represents an intelligent investment in the reliability and resilience of your electrical systems, offering peace of mind and operational continuity.
  • Provides essential protection against transient overvoltage events lasting microseconds.
  • Safeguards critical electrical equipment, preventing costly damage and downtime.
  • Designed for 1+0 configuration applications in sub-distribution boards.
  • Supports a wide nominal voltage range from 60V to 600V.
  • Manufactured by Littelfuse, a trusted leader in circuit protection solutions.

Specifications

Application
Equipment protection from transient overvoltages
Brand Name
Littelfuse
Poles
1+0
Poles
3P+1
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
Power supply for DIN-rail

PS-60

Power supply for DIN-rail
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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.