Littelfuse SE-CS30-26-S - 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-CS30-26-S

Alternate Item Number: SE-CS30-26-S

UPC: 079458989212


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Overview

The Littelfuse SE-CS30-26-S Nickel-Core Current Transformer is a highly sensitive and reliable component engineered for the critical task of detecting low levels of earth-leakage current. Designed to integrate seamlessly with Littelfuse relays, this transformer is an essential part of robust electrical safety systems in a wide array of industrial and commercial settings. Its primary function is to provide early and accurate detection of ground faults, which are crucial for preventing electrical hazards, mitigating equipment damage, and ensuring operational continuity. Constructed with a high-quality nickel core, the SE-CS30-26-S offers exceptional sensitivity, allowing it to identify even minute deviations in current flow that might indicate an impending earth fault. This precision is paramount in applications where even small leakage currents can pose significant risks. The transformer's design prioritizes accuracy and responsiveness, making it a trusted choice for professionals who demand the highest standards of electrical protection. Key features and benefits of the Littelfuse SE-CS30-26-S include: * **High Sensitivity:** Detects low-level earth-leakage currents, providing early warning of potential faults. * **Nickel-Core Construction:** Ensures optimal performance and durability for long-term reliability. * **Relay Compatibility:** Specifically designed for use with Littelfuse relays, ensuring seamless integration and optimized system performance. * **Robust Design:** Built to withstand demanding industrial environments, offering dependable operation. * **Enhanced Safety:** Contributes significantly to electrical safety by enabling prompt detection and mitigation of earth faults. The SE-CS30 series, including the SE-CS30-26-S model, is a testament to Littelfuse's commitment to providing advanced protection solutions. Littelfuse is a globally recognized leader in circuit protection, and their current transformers are manufactured to stringent quality standards. This ensures that end-users receive products that not only meet but exceed expectations for performance and longevity. Typical applications for the SE-CS30-26-S are diverse and span across various sectors. It is commonly deployed in: * **Industrial Manufacturing:** Protecting machinery and personnel from electrical faults in production lines. * **Commercial Buildings:** Enhancing safety in office complexes, retail spaces, and data centers. * **Power Distribution Systems:** Monitoring for earth leakage in substations and distribution networks. * **Renewable Energy Installations:** Ensuring the safe operation of solar and wind power generation facilities. * **Hazardous Environments:** Providing critical safety monitoring in areas where flammable materials or explosive atmospheres are present. When selecting a current transformer for earth-leakage detection, factors such as sensitivity, accuracy, physical dimensions, and compatibility with existing protection relays are crucial. The SE-CS30-26-S excels in these areas, offering a reliable solution for complex electrical protection challenges. Its straightforward integration with Littelfuse relays simplifies installation and commissioning, reducing potential downtime and labor costs. By investing in the Littelfuse SE-CS30-26-S, businesses can significantly enhance their electrical safety protocols, safeguard valuable assets, and maintain uninterrupted operations. This transformer is not just a component; it's a vital safeguard for critical infrastructure.
  • Sensitive nickel-core construction for precise low-level earth-leakage detection.
  • Designed for seamless integration with Littelfuse earth-leakage protection relays.
  • Enhances electrical safety by providing early warning of ground faults.
  • Robust design suitable for demanding industrial and commercial environments.
  • Trusted Littelfuse quality for reliable and durable performance.

Specifications

Application
Industrial
Brand Name
Littelfuse
Special Features
High Quality
Sub Brand
SE CS30 Series
Type
Protection Relays and Controls
Package Weight (Imperial)
0.440 L
Package Weight (Metric)
0.200 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.