Littelfuse SPD2-300-1P0-R - 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

SPD2-300-1P0-R

Alternate Item Number: SPD2-300-1P0-R

UPC: 079458253474

Documents & Media
BrochureTechnical BulletinSpecification SheetVideo Clip

Contact for Pricing

Overview

The **Littelfuse SPD2-300-1P0-R** is a high-performance **surge protection device (SPD)** engineered to safeguard critical electrical equipment from destructive transient overvoltage events. Designed for **1+0 configuration** applications, this SPD operates within a **60V to 600V nominal voltage** range, making it ideal for **sub-distribution board installations** in industrial, commercial, and utility environments. Transient overvoltage events—often lasting mere microseconds—can cause irreversible damage to sensitive electronics, leading to costly equipment failures, unplanned downtime, and expensive repairs. The SPD2-300-1P0-R mitigates these risks by **clamping overvoltage spikes** to safe levels, ensuring continuous operation of protected systems. **Key Features and Benefits:** - **Wide Voltage Range Compatibility:** The SPD2-300-1P0-R supports nominal voltages from **60V to 600V**, covering a broad spectrum of sub-distribution applications, including industrial machinery, data centers, renewable energy systems, and commercial buildings. - **1+0 Configuration for Simplified Protection:** The **1+0 topology** provides a single-line surge protection solution, ideal for systems where phase-to-ground or phase-to-neutral protection is required without the complexity of multi-pole configurations. - **Microsecond Response Time:** With an ultra-fast response to transient events, the SPD2-300-1P0-R **limits overvoltage within nanoseconds**, preventing damage to downstream equipment such as PLCs, variable frequency drives (VFDs), motors, and control panels. - **Robust Design for Harsh Environments:** Built to withstand industrial conditions, this SPD features a **durable housing** and is designed for **panel-mount installation**, ensuring reliable performance in high-temperature, dusty, or humid environments. - **Compliance with Industry Standards:** The SPD2-300-1P0-R meets stringent **UL 1449, IEC 61643-11, and EN 61643-11** standards, providing assurance of its safety, performance, and reliability in critical applications. **Typical Applications:** The Littelfuse SPD2-300-1P0-R is widely deployed in **sub-distribution panels** across multiple industries, including: - **Manufacturing Facilities:** Protecting sensitive automation equipment, CNC machines, and robotic systems from power surges caused by lightning, grid switching, or inductive loads. - **Data Centers and IT Infrastructure:** Shielding servers, networking hardware, and storage systems from transient events that could lead to data corruption or hardware failure. - **Renewable Energy Systems:** Safeguarding inverters, battery management systems, and grid-tied solar/wind power installations from voltage spikes. - **Commercial Buildings:** Providing protection for HVAC systems, elevators, lighting controls, and security systems in offices, hospitals, and retail spaces. - **Utilities and Telecommunications:** Ensuring the integrity of critical infrastructure by mitigating surges in substations, communication towers, and control rooms. **Why Choose Littelfuse for Surge Protection?** Littelfuse is a **global leader in circuit protection**, with over a century of innovation and expertise in safeguarding electrical systems. The company’s surge protection devices are trusted by engineers and facility managers worldwide for their **unmatched reliability, precision engineering, and adherence to global safety standards**. By selecting the **SPD2-300-1P0-R**, professionals gain access to a **cost-effective, high-performance solution** that reduces downtime, extends equipment lifespan, and enhances operational safety. **Installation and Maintenance Considerations:** Proper installation is critical to maximizing the effectiveness of the SPD2-300-1P0-R. Professionals should: - Mount the device in a **clean, dry, and well-ventilated** location within the sub-distribution panel. - Ensure **proper grounding** to facilitate safe dissipation of surge energy. - Follow manufacturer guidelines for **wiring and connection** to avoid installation errors that could compromise protection. - Conduct **regular inspections** to verify the status of the device, as most SPDs include visual indicators (e.g., status LEDs or flags) to signal when replacement is needed. With the **Littelfuse SPD2-300-1P0-R**, businesses can proactively defend their electrical infrastructure against the unpredictable nature of transient events, ensuring **operational continuity, reduced maintenance costs, and long-term reliability**. Whether deployed in a factory, data center, or commercial facility, this SPD delivers **industry-leading protection** for mission-critical systems.
  • Wide voltage range: 60V to 600V for versatile sub-distribution applications
  • 1+0 configuration for simplified single-line surge protection
  • Microsecond response time to clamp transient overvoltage events
  • Compliant with UL 1449, IEC 61643-11, and EN 61643-11 standards
  • Durable design for harsh industrial and commercial environments

Specifications

Application
Equipment protection from transient overvoltages
Brand Name
Littelfuse
Mounting Type
Panel-Mount
Poles
1+0
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
Ethernet SHDSL Extender

DDW-120

Ethernet SHDSL Extender
Fiber cable ODC to SC duplex - 670mm

Fiber cable ODC SC Duplex 670mm

Fiber cable ODC to SC duplex - 670mm
Power supply for DIN-rail

PS-60

Power supply for DIN-rail
DIN Rail ? DIN 35

ARH 1656

DIN Rail ? DIN 35
24U 21.34W 31.5D CABINET BLK

REFK1904231BK1

24U 21.34W 31.5D CABINET BLK
Super-Safeway® Multiple Outlet Box, Extended Depth, 2-Sided, F2 (1/2") Cord Grip Body, with Flip Lids for (2) Duplex Not Included

3085

Super-Safeway® Multiple Outlet Box, Extended Depth, 2-Sided, F2 (1/2") Cord Grip Body, with Flip Lids for (2) Duplex Not Included
Cable Manager, fits 19-inch open rack, Black, Steel

ECK19H

Cable Manager, fits 19-inch open rack, Black, Steel
DataCom Enclosure Pkg, Bulletin DPVD (PROLINE® Voice and Data Package - PROLINE Voice and Data Package), Size/Dims: 2000x700x800mm, Material: Steel, Finish: Lt Gray

PDCP2078

DataCom Enclosure Pkg, Bulletin DPVD (PROLINE® Voice and Data Package - PROLINE Voice and Data Package), Size/Dims: 2000x700x800mm, Material: Steel, Finish: Lt Gray
6U PERF PANEL

PPFS19010BK

6U PERF PANEL
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.

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.
OM1 2 fiber, 16mm jacket, patchcord, Riser (OFNR) rated, LC duplex to SC duplex, Std IL

F62ERLNSNSNM002

OM1 2 fiber, 16mm jacket, patchcord, Riser (OFNR) rated, LC duplex to SC duplex, Std IL
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.

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.