Authorized Littelfuse Distributor
Littelfuse PGR-6133-240 - MOTOR RELAY, 90A BUILT-IN CTS, 240VAC. 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-6133-240

UPC: 079458189216

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Overview

The **Littelfuse PGR-6133-240 Motor Relay** is a high-performance electronic overload relay engineered to safeguard small three-phase motors operating up to 1,000VAC. Designed for industrial reliability, this relay integrates **built-in current transformers (CTs)** capable of handling currents up to 90A, with the flexibility to extend protection to higher currents via external CTs. As part of Littelfuse’s trusted PGR-6130 series, it delivers advanced motor protection against critical failure modes, including overload, overtemperature, phase imbalance, phase loss, and phase sequence errors. This ensures uninterrupted operation and extends motor lifespan in demanding industrial environments. **Key Features and Benefits:** - **Comprehensive Motor Protection:** The PGR-6133-240 monitors and protects against overload conditions, preventing thermal damage to motor windings. Its overtemperature detection reacts to excessive heat buildup, while phase imbalance and loss detection prevent destructive operating conditions caused by irregular power supply. Phase sequence monitoring ensures correct motor rotation, critical for applications requiring directional consistency. - **Built-in and External CT Support:** With integrated CTs rated for up to 90A, the relay provides immediate current sensing without additional components. For motors exceeding 90A, external CTs can be seamlessly integrated, offering scalability for larger industrial motors while maintaining consistent protection standards. - **Wide Voltage Compatibility:** Rated for **240VAC operation**, this relay is ideal for industrial control panels, motor starters, and automation systems operating within standard voltage ranges. Its design aligns with global electrical standards, ensuring compatibility across diverse industrial applications. - **Compact and Robust Design:** Engineered for durability, the PGR-6133-240 features a compact footprint that fits seamlessly into control enclosures and motor control centers (MCCs). Its robust construction resists vibration, dust, and temperature fluctuations, making it suitable for harsh industrial environments. - **Easy Installation and Integration:** Designed for plug-and-play compatibility, the relay integrates effortlessly into existing motor control systems. Its standardized interface reduces wiring complexity, while diagnostic LEDs provide real-time status feedback for quick troubleshooting and maintenance. **Industry Applications and Use Cases:** The PGR-6133-240 is a versatile solution for a broad range of industrial applications where motor reliability is paramount. It is commonly deployed in **pumps, fans, compressors, conveyors, and HVAC systems**, where unplanned downtime can lead to significant operational and financial losses. In manufacturing plants, this relay protects motors in CNC machines, robotic arms, and automated assembly lines, ensuring consistent performance under variable load conditions. Its phase monitoring capabilities make it particularly valuable in applications where power quality is inconsistent, such as in remote or off-grid installations. **Why Choose Littelfuse?** Littelfuse is a global leader in circuit protection, power management, and sensing solutions, with a reputation for innovation and reliability spanning over a century. The PGR-6130 series, including the PGR-6133-240, reflects the company’s commitment to delivering advanced motor protection technologies that enhance system uptime and reduce maintenance costs. Trusted by engineers and facility managers worldwide, Littelfuse products are designed to meet stringent industry standards, including UL, IEC, and CE certifications, ensuring compliance and peace of mind in critical applications. **Selecting the Right Motor Relay:** When choosing a motor relay, professionals prioritize protection accuracy, ease of integration, and long-term reliability. The PGR-6133-240 excels in all three areas, offering precise current sensing, comprehensive fault detection, and compatibility with both standard and high-current motors. Its modular design allows for future upgrades, while its diagnostic features simplify predictive maintenance. For facilities operating in high-demand environments, this relay provides a cost-effective solution to mitigate motor failures and extend equipment lifespan.
  • 90A built-in CTs with external CT support for higher currents
  • Protects against overload, overtemperature, phase imbalance, loss, and sequence errors
  • Rated for 240VAC operation, compatible with industrial motor control systems
  • Compact design with robust construction for harsh environments
  • Easy installation with diagnostic LEDs for real-time status monitoring

Specifications

Application
NA
Brand Name
Littelfuse
Current Rating
90 A
Series
PGR-6130
Special Features
Adjustable trip setting
Standard
UL Listed
Sub Brand
PGR 6130 Series
Type
Protection Relay
Voltage Rating
240 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

1-1393143-3

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

PS-60

Power supply for DIN-rail
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

SCP102D24X-C02

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.