Littelfuse SE-330HV-01-01 - SE-330HV-01-01 is an advanced ground-fault and neutral-grounding resistor monitor with a supply voltage ac of 65–265 and a supply voltage dc of 85–275. This monitor is used for high-voltage applications. Network communications is offered via USB; DeviceNet.
Littelfuse

SE-330HV-01-01

Alternate Item Number: SE-330HV-01-01

UPC: 079458988802


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Overview

The **Littelfuse SE-330HV-01-01** is a high-performance ground-fault and neutral-grounding resistor monitor engineered for demanding industrial and utility applications. Designed to safeguard critical high-voltage systems, this advanced monitor delivers precise detection of ground faults and continuous monitoring of neutral-grounding resistors, ensuring operational safety and compliance with stringent electrical standards. With a robust voltage range of **65–265 VAC** and **85–275 VDC**, the SE-330HV-01-01 adapts seamlessly to diverse power environments, from substations and power generation facilities to industrial manufacturing plants and data centers. **Key Features and Functionality** The SE-330HV-01-01 integrates cutting-edge monitoring capabilities with flexible connectivity options, making it a cornerstone for modern electrical protection strategies. Its **USB and DeviceNet interfaces** enable effortless integration into industrial automation networks, allowing for real-time data acquisition, remote diagnostics, and system-wide monitoring. This connectivity supports predictive maintenance workflows, reducing unplanned downtime and optimizing asset lifecycle management. **Industry Applications and Use Cases** This monitor is ideal for applications where ground-fault detection and neutral-grounding resistor monitoring are critical to system integrity. Common use cases include: - **Power generation plants** (nuclear, thermal, renewable energy) requiring compliance with IEEE and IEC standards for ground-fault protection. - **Industrial facilities** (chemical processing, oil & gas, mining) where high-voltage equipment demands continuous monitoring to prevent arc faults and equipment damage. - **Commercial infrastructure** (hospitals, airports, data centers) where electrical safety and uptime are non-negotiable. - **Utility substations** ensuring reliable distribution network protection against ground faults and neutral imbalances. **Why Choose Littelfuse?** Littelfuse is a global leader in circuit protection, power management, and sensing solutions, trusted by engineers and facility managers worldwide. The SE-330HV-01-01 reflects the company’s commitment to innovation, reliability, and adherence to international safety standards. With decades of expertise in high-voltage monitoring, Littelfuse provides products that not only meet but exceed industry requirements, offering peace of mind in critical applications. **Installation and Integration** The SE-330HV-01-01 is designed for straightforward installation in existing or new high-voltage systems. Its compact form factor and modular design allow for easy retrofitting in control panels or switchgear. The device supports **hot-swap installation** in many configurations, minimizing operational disruptions during deployment. Comprehensive documentation and technical support from Littelfuse ensure a smooth integration process, while the DeviceNet interface simplifies connectivity with PLCs, SCADA systems, and other industrial automation platforms. **Safety and Compliance** Ground-fault and neutral-grounding resistor monitoring are essential for preventing catastrophic electrical failures, arc flashes, and equipment damage. The SE-330HV-01-01 enhances system safety by providing: - **Real-time fault detection** with adjustable sensitivity settings to match application requirements. - **Continuous monitoring** of neutral-grounding resistors to detect degradation or failure before it leads to system instability. - **Compliance with UL, CSA, and IEC standards**, ensuring alignment with global safety regulations. For engineers and facility managers tasked with protecting high-voltage assets, the Littelfuse SE-330HV-01-01 offers a robust, future-proof solution. Its combination of advanced monitoring, flexible connectivity, and Littelfuse’s reputation for quality makes it an indispensable component in modern electrical protection strategies.
  • Wide voltage range: 65–265 VAC / 85–275 VDC for versatile high-voltage applications
  • USB and DeviceNet connectivity for seamless industrial network integration
  • Real-time ground-fault and neutral-grounding resistor monitoring
  • Compliance with UL, CSA, and IEC safety standards
  • Compact design for easy retrofitting in control panels or switchgear

Specifications

Application
Low- and medium-voltage transformers and generators
Brand Name
Littelfuse
Series
SE-330HV
Special Features
Continuous NGR monitoring
Sub Brand
SE 330 Series
Type
Neutral-grounding resistor monitor
Voltage Rating
65–265 VAC / 85–275 VDC
Package Dimensions (L x W x H)
5.8 IN x 3.9 IN x 8.4 IN
Package Dimensions (L x W x H)
14.732 cm x 9.906 cm x 21.336 cm
Package Weight (Imperial)
4.400 L
Package Weight (Metric)
2.000 kg
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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.