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Littelfuse MPU-16A-Y92A-96N - Watertight cover for outdoor applications. Accessory for the MPU-32 Motor Protection Unit and the FPU-32 Feeder Protection Unit.
Littelfuse

MPU-16A-Y92A-96N

Alternate Item Number: MPU-16A-Y92A-96N

UPC: 079458978131


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Overview

The Littelfuse MPU-16A-Y92A-96N Watertight Cover is a precision-engineered accessory designed to safeguard Littelfuse MPU-32 Motor Protection Units and FPU-32 Feeder Protection Units in outdoor and harsh industrial environments. This cover provides a critical barrier against moisture, dust, and contaminants that can compromise the performance of sensitive electronic components in motor and feeder protection systems. Constructed from durable, corrosion-resistant materials, the MPU-16A-Y92A-96N ensures long-term reliability and operational continuity for critical protection relays. Engineered as a direct-fit accessory for the MPU-32 and FPU-32 series, this cover eliminates installation guesswork by ensuring a precise fit and optimal functionality. Its watertight seal meets stringent environmental protection requirements, making it ideal for applications in water treatment plants, chemical processing facilities, oil and gas installations, and outdoor substations where exposure to the elements is a constant challenge. By shielding the protection units from environmental stressors, the MPU-16A-Y92A-96N extends equipment lifespan, reduces maintenance costs, and prevents costly downtime associated with environmental damage. The cover is manufactured by Littelfuse, a global leader in circuit protection and switching solutions, ensuring adherence to the highest standards of quality and reliability. It is designed to work seamlessly with the MPU-32's advanced protection features, including overload, ground fault, phase unbalance, and RTD temperature monitoring, while maintaining the unit's conformal-coated internal circuits for enhanced corrosion resistance. Whether retrofitting aging infrastructure or deploying new systems, the MPU-16A-Y92A-96N delivers the environmental protection needed to keep motor and feeder protection systems operating at peak performance.
  • Direct-fit accessory for Littelfuse MPU-32 Motor Protection Unit and FPU-32 Feeder Protection Unit
  • Provides watertight seal to protect against moisture, dust, and contaminants
  • Constructed from durable, corrosion-resistant materials for long-term reliability
  • Ensures operational continuity and extends equipment lifespan in harsh environments
  • Compatible with MPU-32's advanced protection features (overload, ground fault, RTD temperature monitoring)

Specifications

Application
Outdoor Applications
Brand Name
Littelfuse
IP Rating
IP66
Ip Rating
IP66/IP67
Material
Durable materials
Mounting Type
Direct Mount
Mounting Type
Accessory Mount
Nema Rating
Type 4X
Series
MPU-16A
Series
MPU Series
Special Features
Watertight cover
Sub Brand
MPU-16A-Y92A-96N Series
Type
Cover
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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.