Littelfuse PGR-6150-OPI - OPERATOR INTERFACE FOR PGR-6150. The PGR-6150 Motor Protection System provides 13 protective functions by utilizing both current and temperature inputs. It is a modular system consisting of the control unit and an operator interface (). The OPI allows programming and displays metered values. The PGR-6150 is used to provide current- and temperature-based protection, metering and data logging for three-phase motors used in industrial environments. Current transformers are not required for currents up to 25 A.
Littelfuse

PGR-6150-OPI

UPC: 079458189247


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Overview

The Littelfuse PGR-6100-OPI Operator Interface (SKU: PGR-6150-OPI) is an essential component of the PGR-6150 Motor Protection System, engineered to provide comprehensive protection, metering, and data logging for three-phase motors in industrial settings. This modular system, comprising a control unit and the OPI, offers 13 distinct protective functions by leveraging both current and temperature inputs. The PGR-6100 series, which the OPI interfaces with, is designed for robust performance, operating on one- or three-phase solidly grounded, resistance-grounded, and ungrounded systems up to 6 kV. The OPI facilitates intuitive programming of these protective functions and provides real-time display of metered values, enabling precise monitoring and control. A key advantage of the PGR-6150 system is its ability to protect motors with currents up to 25 A without the need for external current transformers, simplifying installation and reducing overall system cost. The system's protective capabilities include adjustable Ground Fault (GF) pickup ranging from 10 mA to 3 A and adjustable insulation pickup from 250 kΩ to 2 MΩ, allowing for tailored protection strategies and system coordination. With an adjustable time delay from 50 ms to 1.0 s, users can fine-tune response times to prevent nuisance tripping while ensuring rapid fault detection. The PGR-6100 series features two Form C output contacts for ground fault and insulation-resistance faults, along with two 0-1 mA analog outputs that can be used to drive optional analog meters (PGA-0500 for % Current, PGA-0510 for Ohm Meter). CT-loop monitoring is a standard feature, providing an alarm if the current transformer is not properly connected. The OPI ensures that users can effectively manage these features, enhancing motor longevity and operational safety. The compact dimensions of the control unit (H 75 mm; W 100 mm; D 115 mm) allow for flexible mounting options, including DIN rail or surface mounting. Littelfuse's commitment to quality is reflected in the 5-year warranty offered on the PGR-6100 series.
  • Operator Interface for Littelfuse PGR-6150 Motor Protection System
  • Enables programming and displays metered values for industrial motors
  • Supports 13 protective functions using current and temperature inputs
  • No CTs required for currents up to 25 A, simplifying installation
  • Provides precise control, metering, and data logging for three-phase motors

Specifications

Application
NA
Brand Name
Littelfuse
Current Rating
25 A
Special Features
Adjustable trip setting
Standard
UL Listed
Sub Brand
PGR 6100 Series
Type
Protection Relay
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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.