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Littelfuse NH3M500 - EUROPEAN STYLE TYPE NH FUSE 3 M 500A. Littelfuse® European style NH fuse links are designed for the protection of conductors and motors. The gL-gG characteristic fuse links are generally used to protect cables and installation lines from overloads and short-circuits. The aM characteristic fuse links are used for the short-circuit protection of motors and switchgear. They are available in NH00C to NH3 sizes up to 630 amperes.

Littelfuse NH3M500 EUROPEAN STYLE TYPE NH FUSE 3 M 500A. Littelfuse® European style NH fuse links are…

UPC: 079458037012

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Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Littelfuse NH3M500 is a high-capacity European-style Type NH fuse link designed for critical protection in industrial electrical systems. It is engineered for two primary protection applications: the gL-gG characteristic for general cable and installation line protection against overloads and short-circuits, and the aM characteristic for dedicated short-circuit protection of motors and switchgear. Key specifications include a power dissipation of 31.1W at rated current, ensuring efficient operation with minimal energy loss. The NH3M500 features a double indicator for clear status visibility and isolated gripping lugs for safe handling and straightforward installation in panelboards and switchgear. This fuse link is part of Littelfuse’s comprehensive NH series, which spans sizes from NH00C to NH3 with current ratings up to 630A, providing versatility for a wide range of industrial applications. Applications include motor control centers, distribution boards, industrial machinery, and switchgear where reliable overcurrent protection is essential. The NH3M500 is suitable for both new installations and retrofits within existing electrical infrastructure, offering robust construction and dependable performance. Available in the NH3 size, this fuse link is a critical component for maintaining operational safety and system reliability in demanding environments. Manufactured by Littelfuse, a globally recognized leader in electrical protection solutions, the NH3M500 combines proven reliability with industry-leading design to safeguard electrical systems against faults and overloads. Its design ensures compatibility with standard NH fuse bases and holders, facilitating easy integration into existing systems.
  • 500A current rating at 400V AC for high-capacity protection
  • gL-gG characteristic for general cable and installation line protection
  • aM characteristic for dedicated short-circuit protection of motors and switchgear
  • Double indicator for clear status visibility and isolated gripping lugs for safe handling
  • Part of Littelfuse NH series, compatible with NH00C to NH3 sizes up to 630A
  • Compliant with IEC low-voltage fuse system standards
  • Suitable for motor control centers, distribution boards, and industrial machinery

Specifications

Application
Electronic
Brand Name
Littelfuse
Characteristic
gL-gG, aM
Current Rating
500 A
Series
NH
Size
NH3
Special Features
EUROPEAN STYLE
Sub Brand
NH Series
Type
NH Fuses
Voltage Rating
400 V AC
EUROPEAN STYLE TYPE NH FUSE 3 G 630A. Littelfuse® European style NH fuse links are designed for the protection of conductors and motors. The gL-gG characteristic fuse links are generally used to protect cables and installation lines from overloads and short-circuits. The aM characteristic fuse links are used for the short-circuit protection of motors and switchgear. They are available in NH00C to NH3 sizes up to 630 amperes.

NH3G630

EUROPEAN STYLE TYPE NH FUSE 3 G 630A. Littelfuse® European style NH fuse links are designed for the protection of conductors and motors. The gL-gG characteristic fuse links are generally used to protect cables and installation lines from overloads and short-circuits. The aM characteristic fuse links are used for the short-circuit protection of motors and switchgear. They are available in NH00C to NH3 sizes up to 630 amperes.
DIN D Fuse-link gG Size DV 500VAC 500VDC 200A Color code Blue

W219186

DIN D Fuse-link gG Size DV 500VAC 500VDC 200A Color code Blue
EUROPEAN STYLE TYPE NH FUSE 00 B. NH fuse base. 690V/160A. 00 size. Bolt connection.

NHB00B

EUROPEAN STYLE TYPE NH FUSE 00 B. NH fuse base. 690V/160A. 00 size. Bolt connection.
EUROPEAN STYLE TYPE NH FUSE 1 M 224A. Littelfuse® European style NH fuse links are designed for the protection of conductors and motors. The gL-gG characteristic fuse links are generally used to protect cables and installation lines from overloads and short-circuits. The aM characteristic fuse links are used for the short-circuit protection of motors and switchgear. They are available in NH00C to NH3 sizes up to 630 amperes.

NH1M224

EUROPEAN STYLE TYPE NH FUSE 1 M 224A. Littelfuse® European style NH fuse links are designed for the protection of conductors and motors. The gL-gG characteristic fuse links are generally used to protect cables and installation lines from overloads and short-circuits. The aM characteristic fuse links are used for the short-circuit protection of motors and switchgear. They are available in NH00C to NH3 sizes up to 630 amperes.
EUROPEAN STYLE TYPE NH FUSE 1 M 63A. Littelfuse® European style NH fuse links are designed for the protection of conductors and motors. The gL-gG characteristic fuse links are generally used to protect cables and installation lines from overloads and short-circuits. The aM characteristic fuse links are used for the short-circuit protection of motors and switchgear. They are available in NH00C to NH3 sizes up to 630 amperes.

NH1M63

EUROPEAN STYLE TYPE NH FUSE 1 M 63A. Littelfuse® European style NH fuse links are designed for the protection of conductors and motors. The gL-gG characteristic fuse links are generally used to protect cables and installation lines from overloads and short-circuits. The aM characteristic fuse links are used for the short-circuit protection of motors and switchgear. They are available in NH00C to NH3 sizes up to 630 amperes.
EUROPEAN STYLE TYPE NH FUSE 3 M 315A. Littelfuse® European style NH fuse links are designed for the protection of conductors and motors. The gL-gG characteristic fuse links are generally used to protect cables and installation lines from overloads and short-circuits. The aM characteristic fuse links are used for the short-circuit protection of motors and switchgear. They are available in NH00C to NH3 sizes up to 630 amperes.

NH3M315

EUROPEAN STYLE TYPE NH FUSE 3 M 315A. Littelfuse® European style NH fuse links are designed for the protection of conductors and motors. The gL-gG characteristic fuse links are generally used to protect cables and installation lines from overloads and short-circuits. The aM characteristic fuse links are used for the short-circuit protection of motors and switchgear. They are available in NH00C to NH3 sizes up to 630 amperes.
EUROPEAN STYLE TYPE NH FUSE 2 B. NH fuse base. 690V/400A. 2 size. Bolt connection.

NHB2B

EUROPEAN STYLE TYPE NH FUSE 2 B. NH fuse base. 690V/400A. 2 size. Bolt connection.
EUROPEAN STYLE TYPE NH FUSE 1 M 125A. Littelfuse® European style NH fuse links are designed for the protection of conductors and motors. The gL-gG characteristic fuse links are generally used to protect cables and installation lines from overloads and short-circuits. The aM characteristic fuse links are used for the short-circuit protection of motors and switchgear. They are available in NH00C to NH3 sizes up to 630 amperes.

NH1M125

EUROPEAN STYLE TYPE NH FUSE 1 M 125A. Littelfuse® European style NH fuse links are designed for the protection of conductors and motors. The gL-gG characteristic fuse links are generally used to protect cables and installation lines from overloads and short-circuits. The aM characteristic fuse links are used for the short-circuit protection of motors and switchgear. They are available in NH00C to NH3 sizes up to 630 amperes.

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.