Littelfuse PMA-15 - Used when replacing the Federal Pioneer MGFR Ground-Fault Relay with an SE-70X.
Littelfuse

PMA-15

Alternate Item Number: PMA-15

UPC: 079458978322


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Overview

The **Littelfuse PMA-15 Ground-Fault Relay** (SKU: PMA-15) is a high-performance, direct replacement for the Federal Pioneer MGFR relay, designed to deliver robust ground-fault protection in industrial and commercial electrical systems. As part of Littelfuse’s trusted portfolio of circuit protection solutions, the PMA-15 ensures seamless integration with the SE-70X series, making it an ideal choice for upgrading legacy systems or maintaining critical infrastructure. Whether deployed in manufacturing plants, data centers, or commercial buildings, this relay provides the reliability and precision required to safeguard personnel and equipment from ground-fault hazards. Ground-fault relays are essential components in electrical distribution systems, detecting imbalances in current that indicate potential ground faults—often caused by damaged wiring, insulation failure, or equipment malfunctions. The **PMA-15** excels in these applications by offering: - **Seamless Compatibility**: Engineered as a drop-in replacement for the Federal Pioneer MGFR, the PMA-15 ensures minimal downtime during upgrades or replacements. Its design aligns with the SE-70X series, providing a consistent and reliable interface for existing systems. - **Enhanced Safety**: By monitoring ground-fault currents with high sensitivity, the PMA-15 triggers protective actions to prevent electrical fires, equipment damage, and personnel hazards. This is particularly critical in environments where unplanned outages or faults could disrupt operations or pose safety risks. - **Durability and Longevity**: Built to withstand harsh industrial conditions, the PMA-15 features robust construction and high-quality components, ensuring long-term performance even in demanding applications. Littelfuse’s reputation for durability in circuit protection solutions is a testament to its reliability. - **Easy Installation and Maintenance**: The PMA-15 is designed for straightforward installation, with clear labeling and compatibility with standard mounting configurations. Its modular design simplifies maintenance, reducing the need for specialized tools or extensive training. - **Versatility Across Industries**: From **manufacturing facilities** and **hospitals** to **data centers** and **commercial buildings**, the PMA-15 addresses ground-fault protection needs across a wide range of sectors. Its adaptability makes it a preferred choice for engineers and facility managers seeking reliable, future-proof solutions. Littelfuse, a global leader in circuit protection, has been delivering innovative solutions for over a century. The company’s commitment to quality, safety, and performance is evident in products like the PMA-15, which adhere to stringent industry standards. Professionals in electrical engineering, facility management, and industrial maintenance rely on Littelfuse for solutions that prioritize both safety and operational efficiency. By choosing the **PMA-15 Ground-Fault Relay**, you’re investing in a product that not only meets but exceeds the expectations for ground-fault protection, ensuring peace of mind and uninterrupted operations. For engineers and technicians tasked with maintaining or upgrading electrical systems, the PMA-15 offers a cost-effective, high-performance alternative to outdated relays. Its compatibility with the SE-70X series further enhances its value, providing a seamless transition for systems already utilizing this platform. Whether you’re retrofitting an existing installation or designing a new one, the PMA-15 delivers the reliability and precision required to protect your infrastructure and personnel.
  • Direct replacement for Federal Pioneer MGFR relay
  • Compatible with SE-70X series for seamless integration
  • High-sensitivity ground-fault detection for enhanced safety
  • Durable construction for harsh industrial environments
  • Easy installation and maintenance with modular design

Specifications

Application
Industrial
Brand Name
Littelfuse
Series
PMA
Series
SE-70X
Special Features
None
Sub Brand
PMA Series
Type
Panel Mount
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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.