Littelfuse CON-1/120/40 - 1P 120V 40A CONTACTOR W/SHUNT
Littelfuse

CON-1/120/40

UPC: 811068030218

Documents & Media
Specification Sheet

Contact for Pricing

Minimum Qty: 50

Multiplier: 50

*Contact for lower quantities*

Overview

The **Littelfuse 1P 120V 40A Contactor with Shunt (SKU: CON-1/120/40)** is a high-performance, single-pole electrical switching device engineered for demanding industrial applications. Designed to control motors, heaters, lighting systems, and other high-power loads, this contactor delivers precise and reliable operation in environments where electrical reliability is critical. The integrated shunt ensures enhanced control and protection, reducing the risk of overloads and short circuits while maintaining operational safety. Built with Littelfuse’s signature commitment to durability and performance, this contactor is ideal for HVAC systems, industrial machinery, automation processes, and commercial installations where consistent switching and longevity are non-negotiable. **Key Features and Technical Specifications:** - **1-Pole Configuration**: Optimized for single-phase applications, ensuring efficient power distribution and control. - **120V AC Rating**: Compatible with standard 120V AC systems, making it suitable for a wide range of electrical infrastructures. - **40A Current Rating**: Handles high-current loads up to 40 amperes, providing robust performance for motors, heaters, and resistive loads. - **Integrated Shunt**: Enhances control precision and safety by allowing for auxiliary monitoring or alarm integration. - **High-Quality Construction**: Engineered with durable materials to withstand harsh industrial environments, including vibration, temperature fluctuations, and electrical stress. **Industry Applications:** This Littelfuse contactor is a versatile solution for professionals across multiple sectors. In **HVAC systems**, it efficiently controls compressors, fans, and pumps, ensuring energy-efficient operation and system longevity. For **industrial machinery**, it serves as a reliable switching component in conveyor systems, presses, and automation lines, where precise control over high-power loads is essential. In **commercial buildings**, it is widely used for lighting control, water heaters, and other high-demand electrical systems. The contactor’s compact design and ease of installation make it a preferred choice for contractors and engineers seeking a dependable, off-the-shelf solution. **Why Choose Littelfuse?** Littelfuse is a globally recognized leader in circuit protection, switching, and sensing solutions, with a reputation for innovation and reliability spanning over a century. The company’s contactors, including the **CON-1/120/40**, are trusted by professionals in industries ranging from manufacturing and energy to transportation and infrastructure. Littelfuse’s products undergo rigorous testing to meet industry standards, ensuring compliance with UL, CSA, and other regulatory requirements. This commitment to quality translates to fewer failures, reduced downtime, and lower maintenance costs for end-users. **Installation and Maintenance Considerations:** Proper installation is critical to maximizing the performance and lifespan of the **Littelfuse 1P 120V 40A Contactor**. Professionals should ensure that the contactor is mounted in a well-ventilated area, free from excessive dust, moisture, or corrosive elements. Electrical connections must be tightened to manufacturer-specified torque values to prevent loose contacts, which can lead to overheating or arcing. Regular inspections should include checking for signs of wear, ensuring the shunt connections are secure, and verifying that the contactor operates smoothly without sticking or hesitation. Littelfuse provides comprehensive documentation and support to assist with installation, troubleshooting, and compliance with local electrical codes. **Selecting the Right Contactor for Your Application:** When choosing a contactor, professionals must consider several factors, including voltage and current ratings, pole configuration, and auxiliary features like shunts or auxiliary contacts. The **CON-1/120/40** is specifically designed for 120V AC systems with loads up to 40A, making it an excellent match for applications where space is limited, and simplicity is key. For higher power requirements or multi-phase systems, Littelfuse offers a range of contactors to meet diverse needs. Always consult the manufacturer’s datasheet and local electrical codes to ensure compatibility and safety. **Conclusion:** The **Littelfuse 1P 120V 40A Contactor with Shunt (SKU: CON-1/120/40)** is a trusted, high-quality solution for professionals who demand reliability, efficiency, and durability in their electrical control systems. Whether deployed in industrial automation, HVAC, or commercial installations, this contactor provides the performance and peace of mind that only a trusted brand like Littelfuse can deliver. Invest in a product that meets the demands of modern electrical systems—choose Littelfuse for uncompromising quality and innovation.
  • 1-Pole 120V AC configuration for single-phase applications
  • 40A current rating for high-power loads like motors and heaters
  • Integrated shunt for enhanced control and protection
  • Durable construction for harsh industrial environments
  • Trusted Littelfuse quality with UL/CSA compliance

Specifications

Current Rating
40 A
Poles
1P
Voltage Rating
120 VAC
GMD-16M DC240V 3W 1b EXP (GMD16M-30-01-UD-3W-S-E)

1270040900

GMD-16M DC240V 3W 1b EXP (GMD16M-30-01-UD-3W-S-E)
MT-63 34A 3D SCREW EXP (MT63-3D-34-S-E)

1311001000

MT-63 34A 3D SCREW EXP (MT63-3D-34-S-E)
Ground Lug

DNGL

Ground Lug
CONTACT BLOCK BU BLB-02

BLB-02

CONTACT BLOCK BU BLB-02
CONTACT BLOCK BU BFB-40

BFB-40

CONTACT BLOCK BU BFB-40
One-hole, metric conductor, standard barrel with window lug, 4-6mm wire, M8 stud hole.

LCMA6-8-C

One-hole, metric conductor, standard barrel with window lug, 4-6mm wire, M8 stud hole.

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.