Littelfuse CON-3/120/50 - 3P 120V 50AMP CONTACTOR
Littelfuse

CON-3/120/50

UPC: 811068030690

Documents & Media
Specification Sheet

Contact for Pricing

Minimum Qty: 8

Multiplier: 8

*Contact for lower quantities*

Overview

The **Littelfuse CON-3/120/50** is a high-performance **3-pole contactor** engineered for **industrial control applications**, delivering reliable and efficient electrical switching in demanding environments. Rated for **120V and 50A**, this contactor is a critical component in motor control, HVAC systems, automation, and other heavy-duty industrial applications where consistent performance and durability are paramount. Designed to meet the rigorous demands of modern electrical systems, the CON-3/120/50 ensures seamless operation while minimizing maintenance and downtime. **Key Features and Technical Specifications:** - **3-Pole Design:** The **3P configuration** allows for balanced three-phase power distribution, making it ideal for motor starters, pumps, compressors, and other industrial machinery. - **120V Voltage Rating:** Optimized for **120V AC systems**, this contactor is compatible with a wide range of industrial control panels and automation systems. - **50A Current Rating:** Capable of handling **50 amperes**, it provides robust switching for medium-duty industrial loads, ensuring reliable performance under continuous operation. - **Durable Construction:** Built with high-quality materials, the CON-3/120/50 is designed to withstand harsh industrial environments, including exposure to dust, moisture, and temperature fluctuations. - **Low Maintenance Requirements:** Engineered for longevity, this contactor reduces operational costs by minimizing the need for frequent inspections or replacements. **Industry Applications and Use Cases:** The **Littelfuse CON-3/120/50** is widely used in **HVAC systems**, where it controls compressors, fans, and other critical components. In **motor control applications**, it serves as a reliable starter for pumps, conveyors, and industrial machinery, ensuring smooth and efficient operation. Automation systems in manufacturing plants also benefit from its precision switching capabilities, enabling seamless integration into programmable logic controllers (PLCs) and other control systems. Additionally, this contactor is well-suited for **lighting control, heating systems, and renewable energy installations**, where reliable power distribution is essential. **Why Choose Littelfuse for Industrial Contactors?** Littelfuse is a globally recognized leader in **electrical protection and control solutions**, with decades of experience in designing products that meet the highest standards of safety and performance. The **CON-3/120/50** is backed by Littelfuse’s commitment to innovation, quality, and reliability, making it a trusted choice for engineers, contractors, and facility managers. Whether you’re upgrading an existing system or designing a new industrial installation, this contactor provides the performance and durability required for long-term success. **Installation and Compatibility Considerations:** The **CON-3/120/50** is designed for easy integration into standard industrial control panels. Its compact form factor allows for efficient use of panel space, while its **screw-terminal connections** ensure secure and reliable wiring. Professionals should verify compatibility with existing control systems, including voltage ratings, current draw, and environmental conditions, to ensure optimal performance. Littelfuse provides comprehensive documentation and support to assist with installation, troubleshooting, and maintenance, further enhancing the value of this product. **Industry Standards and Certifications:** The CON-3/120/50 meets or exceeds industry standards for **electrical safety and performance**, including UL and CE certifications. These certifications ensure that the contactor complies with rigorous testing protocols, providing peace of mind for users in regulated industries such as manufacturing, energy, and infrastructure. By choosing a Littelfuse contactor, professionals can be confident in the product’s adherence to global safety and quality benchmarks. **Conclusion:** For industrial applications requiring **reliable, durable, and high-performance switching**, the **Littelfuse CON-3/120/50** is an excellent choice. Its **3-pole design, 120V rating, and 50A capacity** make it a versatile solution for motor control, HVAC, automation, and other critical systems. With Littelfuse’s reputation for quality and innovation, this contactor delivers the performance and longevity needed to support demanding industrial operations. Invest in the CON-3/120/50 for a control solution that combines efficiency, reliability, and peace of mind.
  • 3-pole design for balanced three-phase power distribution
  • Rated for 120V and 50A, ideal for industrial motor control and HVAC systems
  • Durable construction withstands harsh industrial environments
  • Low maintenance requirements reduce operational costs
  • UL and CE certified for compliance with global safety standards

Specifications

Connection Type
Screw Terminal
Current Rating
50 A
Poles
3P
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.