Littelfuse SE-330AU-00-01 - SE-330AU-00-01 is an advanced neutral-earthing resistor monitor with a supply voltage ac of 65–265 and a supply voltage dc of 85–275. Network communications is offered via USB.
Littelfuse

SE-330AU-00-01

Alternate Item Number: SE-330AU-00-01

UPC: 079458988628


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Overview

The Littelfuse SE-330AU-00-01 stands as a sophisticated and reliable solution for monitoring neutral-earthing resistors (NERs) in critical industrial power systems. Engineered by Littelfuse, a recognized leader in circuit protection and power control, this advanced monitor ensures the integrity and safety of your electrical infrastructure. Its robust design and intelligent functionality make it an indispensable component for maintaining stable and secure power distribution networks. The SE-330AU-00-01 is built to perform under demanding conditions, featuring a wide supply voltage range that accommodates both AC and DC power sources. Specifically, it operates with a supply voltage of 65–265 VAC and a DC supply range of 85–275 VDC. This broad operational window provides exceptional flexibility, allowing for seamless integration into diverse electrical environments, from manufacturing plants and data centers to renewable energy installations and utility substations. The ability to function across such a wide voltage spectrum minimizes compatibility concerns and ensures consistent monitoring performance regardless of the specific power grid configuration. Integration and data management are streamlined through its advanced network communication capabilities. The inclusion of a USB interface facilitates straightforward connectivity with supervisory control and data acquisition (SCADA) systems, programmable logic controllers (PLCs), and other industrial automation platforms. This enables real-time data acquisition, remote monitoring, and efficient diagnostics, empowering operators to proactively identify and address potential issues before they escalate. The ease of data transfer via USB simplifies reporting, analysis, and system optimization efforts. Key features and benefits of the Littelfuse SE-330AU-00-01 include: * **Wide Voltage Compatibility:** Operates effectively with 65–265 VAC and 85–275 VDC, offering unparalleled adaptability. * **Advanced Monitoring:** Provides precise monitoring of neutral-earthing resistor status, crucial for system stability and fault detection. * **Simplified Integration:** USB network communication ensures easy connection to modern control and monitoring systems. * **Enhanced Safety:** Contributes to overall electrical system safety by ensuring proper earthing resistance, mitigating risks of equipment damage and personnel injury. * **Reliable Performance:** Backed by Littelfuse's reputation for quality and durability in industrial-grade components. Proper neutral-earthing resistor monitoring is paramount in preventing system overvoltages, limiting fault currents, and ensuring the selective tripping of protective devices during ground faults. The SE-330AU-00-01 plays a vital role in maintaining these critical functions, thereby safeguarding sensitive equipment and ensuring continuous operation. Its application extends to any industrial setting where reliable power quality and system protection are non-negotiable. Trust the Littelfuse SE-330AU-00-01 to deliver the performance and peace of mind your operations demand.
  • Advanced Neutral-Earthing Resistor (NER) monitoring for industrial power systems.
  • Wide supply voltage range: 65–265 VAC and 85–275 VDC for broad compatibility.
  • USB network communication interface for seamless integration with control systems.
  • Enhances electrical system safety and reliability by monitoring earthing integrity.
  • Manufactured by Littelfuse, a trusted name in circuit protection and power control.

Specifications

Application
Low- and medium-voltage transformers and generators
Brand Name
Littelfuse
Special Features
Continuous NGR monitoring
Sub Brand
SE 330 Series
Type
Neutral-grounding resistor monitor
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.