Littelfuse RK-132 - Used On Systems Up To 15 kV.
Littelfuse

RK-132

Alternate Item Number: RK-132

UPC: 079458987799


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Overview

The Littelfuse RK-132 (SKU: RK-132) is a medium voltage fuse designed for systems up to 15 kV. It provides overcurrent and short-circuit protection for transformers, potential transformers, feeders, and motor circuits. This fuse is part of Littelfuse's E- and R-rated medium voltage fuse line, engineered for reliable performance. Available in ferrule, clip lock, and bolt-in mounting configurations, the RK-132 ensures compatibility with diverse equipment. Manufactured in the US, it meets industry standards. The RK-132 offers current-limiting protection, reducing equipment damage during short-circuit events, and is a direct replacement for Class H, K, and RK5 fuses.
  • Medium voltage fuse for systems up to 15 kV
  • Protects transformers, feeders, and motor circuits
  • Current-limiting protection reduces equipment damage
  • Direct replacement for Class H, K, and RK5 fuses
  • Available in ferrule, clip lock, and bolt-in mounting

Specifications

Application
NA
Brand Name
Littelfuse
Mounting Type
ferrule, clip lock, and bolt-in
Series
E- and R-rated medium voltage fuse
Special Features
NEMA 4 and NEMA 13 rating
Standard
CSA UL
Sub Brand
RK 132 Series
Type
Remote Indication
Voltage Rating
15 kV
Package Dimensions (L x W x H)
2.2 IN x 1.1 IN x 1.7 IN
Package Dimensions (L x W x H)
5.588 cm x 2.794 cm x 4.318 cm
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Frequently Asked Questions

What systems can the RK-132 protect?

The RK-132 protects transformers, potential transformers, feeders, and motor circuits on systems up to 15 kV.

What mounting options are available for the RK-132?

The RK-132 is available in conventional ferrule type, clip lock, and bolt-in mounting configurations.

Is the RK-132 a current-limiting fuse?

Yes, the RK-132 is a current-limiting fuse designed to reduce or eliminate damage during short-circuit conditions.

What standards does the RK-132 meet?

The RK-132 meets stringent industry standards for dependable operation in demanding environments.

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.