Littelfuse PGC-5025 - Current Transformer for low-level ground faults, flux conditioner is standard. (30-A primary)
Littelfuse

PGC-5025

Alternate Item Number: PGC-5025

UPC: 079458177879


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Overview

The **Littelfuse PGC-5025 Current Transformer** is a precision-engineered solution for detecting and measuring low-level ground faults in industrial electrical systems. Designed with a **30-A primary current rating** and an integrated **flux conditioner**, this transformer ensures accurate signal conditioning, standardized output, and reliable performance even in high-noise environments. Built for demanding applications, the PGC-5025 is a trusted choice for engineers and technicians seeking dependable ground fault protection and measurement in power distribution, protective relay systems, and fault detection circuits. Ground faults pose significant risks in industrial and commercial electrical systems, including equipment damage, fire hazards, and operational disruptions. The **Littelfuse PGC-5025** addresses these challenges by providing **high-sensitivity detection** of low-level ground currents, enabling early intervention before faults escalate. Its **flux conditioner** standardizes the output signal, reducing noise interference and ensuring consistent readings across varying load conditions. This feature is particularly critical in applications where precise fault detection is essential for system safety and compliance with electrical codes. **Key Applications & Industries** The PGC-5025 is widely used in: - **Power distribution systems** for monitoring ground fault currents and preventing arc faults. - **Protective relay circuits** where accurate current sensing is vital for tripping mechanisms. - **Ground fault detection circuits** in industrial machinery, motor control centers, and switchgear. - **Renewable energy systems** (e.g., solar inverters, wind turbines) to detect insulation faults. - **Commercial buildings** for compliance with NEC (National Electrical Code) and IEC standards. **Why Choose Littelfuse?** Littelfuse is a global leader in circuit protection, power management, and sensing solutions, with over a century of expertise in industrial electrical safety. The company’s **PGC series current transformers** are engineered to meet the rigorous demands of modern electrical systems, offering: - **High reliability** with robust construction and long-term stability. - **Industry-standard compliance** (UL, CSA, IEC) for safety and performance. - **Easy integration** with existing protection relays and monitoring systems. - **Cost-effective solutions** without compromising on accuracy or durability. **Installation & Performance Considerations** Proper installation of the PGC-5025 is critical to its performance. It should be mounted in close proximity to the fault detection circuit, with the primary conductor centered through the transformer’s core to ensure optimal coupling. The **flux conditioner** eliminates the need for external signal conditioning in most applications, simplifying design and reducing system complexity. For high-noise environments, additional shielding or twisted-pair wiring may be recommended to further enhance signal integrity. **Technical Advantages** - **Low-level fault detection**: Capable of sensing ground faults as small as a few milliamps, enabling early fault identification. - **Standardized output**: The integrated flux conditioner ensures a consistent, noise-free signal for reliable monitoring. - **Compact and durable design**: Suitable for harsh industrial environments with vibration, temperature fluctuations, and electromagnetic interference. - **Wide operating range**: Compatible with both AC and DC systems, making it versatile for diverse applications. For engineers and maintenance professionals tasked with safeguarding electrical systems, the **Littelfuse PGC-5025 Current Transformer** delivers unmatched precision, reliability, and ease of use. Whether protecting critical infrastructure, ensuring regulatory compliance, or optimizing system performance, this transformer is a proven solution for low-level ground fault detection in industrial and commercial installations.
  • 30-A primary current rating for low-level ground fault detection
  • Integrated flux conditioner standardizes output, reducing noise interference
  • Compact, durable design for harsh industrial environments
  • Compatible with AC/DC systems and protective relay circuits
  • UL, CSA, and IEC compliant for global safety standards

Specifications

Application
Industrial
Brand Name
Littelfuse
Current Rating
30 A
Series
PGC
Special Features
None
Standard
CSA
Sub Brand
PGC 5000 Series
Type
Current Transformer
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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.