Littelfuse 3453QS7-010 - PANLMOUNT SHKSAF FSEHLDR 3AG FSE QS7-010. Designed to eliminate the possibility of electrical shock, as defined in IEC standards 65 and 257. Shock-Safe fuseholders feature a low profile body, fingergrip knob and anti-tease feature that eliminates circuit interruptionwhen knob is accidentally depressed.
Littelfuse

3453QS7-010

Alternate Item Number: 03453QS7ZX010

UPC: 079458004205


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Overview

The Littelfuse QS7-010 (SKU: 3453QS7-010) is a panel-mount fuseholder engineered for enhanced electrical safety, specifically designed to eliminate the possibility of electrical shock as defined by IEC standards 65 and 257. This fuseholder features a low-profile body, making it suitable for installations where space is a consideration. Its integrated finger-grip knob facilitates easy and secure operation. A key safety feature is the anti-tease function, which prevents accidental circuit interruption that can occur if the knob is inadvertently depressed during operation. This ensures continuous power flow and operational reliability. Manufactured in the US, the QS7-010 is built for durability and compliance with international safety regulations. It is an ideal component for industrial and commercial applications requiring stringent shock protection measures. The design prioritizes user safety and operational continuity, making it a dependable choice for critical electrical systems. This fuseholder is designed to accommodate 3AG fuses, offering versatility for various protection needs. Its panel-mount design simplifies integration into control panels, machinery, and electrical distribution systems. The shock-safe construction adheres to strict international safety benchmarks, providing peace of mind for operators and maintenance personnel. The anti-tease feature is crucial for environments where accidental knob depression is a risk, preventing unintended power interruptions and maintaining system uptime. The low-profile form factor ensures it does not protrude excessively, allowing for efficient use of space within enclosures. Littelfuse's commitment to quality is evident in the robust construction and reliable performance of the QS7-010, making it a trusted component for critical electrical safety applications.
  • IEC 65 and 257 compliant shock-safe design
  • Low-profile panel mount body
  • Finger-grip knob for easy operation
  • Anti-tease feature prevents accidental circuit interruption
  • Manufactured in the US

Specifications

Mounting Type
Panel Mount
Series
Shock-Safe
Series
PANLMOUNT SHKSAF FSEHLDR 3AG FSE
Series
QS7
Series
QS7-010
Size
3AG
Size
Low-profile body
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PANELMOUNT SHKSAFE FSEHLDR 3AG FUSE RF4A. Designed to eliminate the possibility of electrical shock, as defined in IEC standards 65 and 257. Shock-Safe fuseholders feature a low profile body, fingergrip knob and anti-tease feature that eliminates circuit interruptionwhen knob is accidentally depressed.
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Frequently Asked Questions

What types of fuses does Littelfuse offer?

Littelfuse offers UL Class, High-Speed, Medium Voltage, 10 x 38 mm, and Solar fuses, along with fuse blocks and holders.

What are the voltage and current ratings for 10 x 38 mm fuses?

10 x 38 mm fuses are available with ratings from 125 to 1000 volts and 1/10 to 30 amperes.

What applications are High-Speed Fuses designed for?

High-speed fuses protect power semiconductor devices against short circuits in power conversion applications like inverters, variable-speed drives, UPS, and DC drive systems.

What is the maximum voltage for Littelfuse Solar Fuses?

Littelfuse offers solar fuses and holders rated up to 1500 Vdc for both high-current and low-current applications.

What are the benefits of POWR-BLOKS power distribution blocks?

POWR-BLOKS offer a safe, convenient way to splice cables and manage power distribution, with touch-safe blocks and available covers to enhance safety.

What protection do Littelfuse Feeder Protection products provide?

Feeder Protection products protect circuits from overcurrent, ground faults, phase loss, overload, and other detrimental conditions.

What is the purpose of Littelfuse Arc-Flash Protection Relays?

Arc-flash relays detect developing arc-flash incidents and send a trip signal to interrupt power before significant damage occurs.

What types of protection are available for motors?

Littelfuse offers voltage monitors, current monitors, and Bluetooth enhanced overload relays for motor protection in low and medium voltage applications.

How do Ground-Fault Protection Relays work?

Sensitive ground-fault relays with advanced filtering quickly and reliably detect insulation resistance breakdown caused by moisture, vibration, chemicals, or dust.

What is the Littelfuse MROplus™ program?

The MROplus™ program helps manufacturing facilities save thousands by reducing inventory and downtime, while improving safety and productivity.

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.