Littelfuse SE-CS30-4 - The SE-CS30 series is a sensitive nickel-core current transformer used with Littelfuse relays to detect low levels of earth-leakage current.
Littelfuse

SE-CS30-4

Alternate Item Number: SE-CS30-4

UPC: 079458989229


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Overview

The Littelfuse SE-CS30-4 Sensitive Nickel-Core Current Transformer is a critical component designed for the precise detection of low-level earth-leakage currents. Engineered by Littelfuse, a recognized leader in circuit protection and power control solutions, this transformer plays a vital role in enhancing electrical safety and operational integrity across a wide spectrum of industrial and commercial applications. Its specialized nickel-core construction is key to achieving the high sensitivity required to identify even minute deviations in current, which are often precursors to more significant electrical faults. When integrated with Littelfuse relays, the SE-CS30-4 forms a robust earth-leakage monitoring system. This synergy ensures that potential hazards, such as insulation breakdown or accidental grounding, are identified promptly. Early detection is paramount in preventing equipment damage, minimizing downtime, and safeguarding personnel from electrical shock. The SE-CS30 series, including the SE-CS30-4 model, is built for reliability and accuracy, delivering consistent performance even in demanding operational environments. This makes it an indispensable tool for facility managers, electrical engineers, and maintenance professionals. Key features and benefits of the Littelfuse SE-CS30-4 include: * **High Sensitivity:** The nickel-core design enables the detection of very low earth-leakage currents, providing an advanced level of protection. * **Seamless Integration:** Specifically designed to work in conjunction with Littelfuse relays, ensuring optimal system performance and simplified installation. * **Robust Construction:** Built to withstand the rigors of industrial settings, ensuring long-term durability and dependable operation. * **Enhanced Safety:** Crucial for preventing electrical hazards, protecting personnel, and mitigating the risk of equipment failure. * **Reliable Monitoring:** Provides continuous and accurate monitoring of earth-leakage currents, contributing to overall system stability. The applications for the SE-CS30-4 are extensive. It is commonly employed in: * **Industrial Facilities:** Protecting machinery, control panels, and power distribution systems in manufacturing plants, chemical processing facilities, and heavy industry. * **Commercial Buildings:** Ensuring the safety of electrical systems in hospitals, data centers, office complexes, and retail environments. * **Power Distribution:** Monitoring substations, switchgear, and critical power infrastructure. * **Specialized Equipment:** Safeguarding sensitive electronic equipment and machinery where even minor leakage currents can cause damage or operational disruption. Littelfuse's commitment to quality and innovation is evident in the SE-CS30-4. By choosing this sensitive current transformer, users are investing in a proven solution that upholds the highest standards of electrical safety and reliability. Its precise measurement capabilities and dependable performance make it a trusted choice for critical earth-leakage detection needs, contributing to safer and more efficient operations.
  • Sensitive nickel-core construction for low earth-leakage current detection
  • Designed for seamless integration with Littelfuse relays
  • Enhances electrical safety and operational integrity
  • Robust and reliable performance in industrial environments
  • Ideal for monitoring critical power distribution and machinery

Specifications

Application
Industrial
Brand Name
Littelfuse
Material
Nickel
Series
SE-CS30
Special Features
High Quality
Sub Brand
SE CS30 Series
Type
Protection Relays and Controls
Package Weight (Imperial)
4.180 L
Package Weight (Metric)
1.900 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.