Littelfuse PGR-6133-24 - MOTOR RELAY, 90A BUILT-IN CTS, 24VDC. The PGR-6130 Electronic Overload Relay provides protection for small three-phase motors up to 1,000 Vac. Integrated CTs are for currents up to 90 A and external CTs can be used for currents above 90 A. The protective functions include overload, overtemperature, phase imbalance, phase loss, and phase sequence.
Littelfuse

PGR-6133-24

UPC: 079458189193

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Overview

The Littelfuse PGR-6133-24 Electronic Overload Relay (SKU: PGR-6133-24) is a robust and intelligent solution engineered for the critical protection of small three-phase motors operating at voltages up to 1,000 Vac. Manufactured by Littelfuse, a globally recognized leader in circuit protection, this relay offers advanced safeguarding against a multitude of electrical anomalies that can lead to costly downtime and equipment damage. At its core, the PGR-6133-24 is designed to monitor motor performance and intervene proactively when deviations from normal operating parameters are detected. Its integrated current transformers (CTs) are capable of handling currents up to 90 Amperes, providing precise real-time current measurement. For applications requiring higher current monitoring, the relay is designed to seamlessly integrate with external CTs, offering exceptional flexibility and scalability for diverse industrial motor sizes and configurations. This adaptability ensures that the PGR-6133-24 can be a cornerstone of motor protection across a wide spectrum of industrial machinery. The comprehensive protective functions of the Littelfuse PGR-6133-24 are central to its value proposition. It actively guards against: * **Overload Conditions:** Prevents motors from drawing excessive current, which can lead to overheating and winding damage. * **Overtemperature:** Monitors motor temperature to prevent thermal runaway, a common cause of motor failure. * **Phase Imbalance:** Detects uneven current distribution across motor phases, which can cause inefficient operation and premature wear. * **Phase Loss:** Identifies when one or more phases of the power supply are interrupted, preventing single-phasing which can rapidly destroy a motor. * **Phase Sequence:** Ensures that the motor is connected to the correct phase rotation, crucial for the proper operation of many types of machinery. These advanced protective features are critical for maintaining the operational integrity and extending the lifespan of valuable three-phase motors in demanding industrial environments. Applications for the PGR-6133-24 are widespread, including pump systems, fan drives, conveyor belts, compressors, and various other motor-driven equipment found in manufacturing plants, processing facilities, and utility operations. The 24VDC control voltage ensures compatibility with many standard control systems and safety circuits. Littelfuse's commitment to quality and innovation is evident in the design and performance of the PGR-6133-24. Professionals in electrical engineering, maintenance, and automation rely on Littelfuse products for their dependability and advanced functionality. The PGR-6133-24 is not just a component; it's an investment in the reliability and efficiency of your critical motor-driven processes. Its intuitive design and robust construction facilitate straightforward installation and integration into existing control panels and systems, minimizing commissioning time and effort. By providing multi-faceted protection, this electronic overload relay significantly reduces the risk of unplanned downtime, thereby optimizing productivity and lowering operational costs.
  • Protects small three-phase motors up to 1,000 Vac
  • Integrated CTs for currents up to 90 A
  • Supports external CTs for currents above 90 A
  • Comprehensive protection: overload, overtemperature, phase imbalance, phase loss, phase sequence
  • 24VDC control voltage for versatile integration

Specifications

Application
NA
Brand Name
Littelfuse
Current Rating
90 A
Poles
3-Phase
Series
PGR-6130
Special Features
Adjustable trip setting
Standard
UL Listed
Sub Brand
PGR 6130 Series
Type
Protection Relay
Voltage Rating
1000 VAC
RTXD Extractor Tool

6896057-1

RTXD Extractor Tool
RTXP 18

RK926011-BC

RTXP 18
Relay Accessories, Sockets & Clips, Printed Circuit Board, Phenolic, Printed Circuit Board, 6, Socket, Potter & Brumfield R10

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Relay Accessories, Sockets & Clips, Solder, Polyester, Printed Circuit Board, 2, Socket, Potter & Brumfield R10

1-1393143-6

Relay Accessories, Sockets & Clips, Solder, Polyester, Printed Circuit Board, 2, Socket, Potter & Brumfield R10
Power supply for DIN-rail

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IP67 SCP-X Extreme Environment Series Power Supply. Double Stacked, Output Power 2 x 100W, Output Voltage 24 Vdc, Output Current 7.6 A total, 3.8 A per pair

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.