Littelfuse CON-1/24/40 - 1P 24V 40A CONTACTOR W/SHUNT
Littelfuse

CON-1/24/40

UPC: 811068030188

Documents & Media
Specification Sheet

Contact for Pricing

Minimum Qty: 50

Multiplier: 50

*Contact for lower quantities*

Overview

The Littelfuse CON-1/24/40 is a robust and highly reliable single-pole (1P) contactor engineered for demanding industrial control applications. Designed to operate at 24V DC with a substantial 40A current rating, this contactor is an essential component for ensuring safe and efficient power switching in a wide array of systems. Its integrated shunt provides enhanced control and monitoring capabilities, allowing for precise current detection and management within the circuit. This Littelfuse contactor is built for longevity and consistent performance, even in harsh operational environments. The manufacturer's commitment to quality is evident in the durable construction, which is crucial for applications where uptime and reliability are paramount. Professionals in electrical engineering and automation will appreciate the thoughtful design that facilitates straightforward installation and integration into existing control panels and systems. The compact form factor of the CON-1/24/40 does not compromise its high-performance capabilities, offering a space-saving solution without sacrificing power handling. Key applications for the Littelfuse CON-1/24/40 include, but are not limited to: * **Motor Control:** Safely starting, stopping, and reversing single-phase motors in industrial machinery, pumps, and fans. * **HVAC Systems:** Managing power to large heating, ventilation, and air conditioning units in commercial and industrial buildings. * **Automation and Process Control:** Acting as a critical switching element in automated manufacturing lines, conveyor systems, and process equipment. * **Power Distribution:** Switching loads in control panels and sub-distribution boards where 24V DC control is utilized. * **Lighting Control:** High-current switching for industrial lighting arrays. When selecting a contactor, factors such as voltage rating, current capacity, number of poles, coil voltage, and auxiliary contacts are critical. The CON-1/24/40 excels in its specific niche, offering a 1-pole configuration ideal for simple on/off switching of a single circuit, coupled with a 40A rating suitable for moderate to heavy loads. The 24V coil voltage makes it compatible with common low-voltage control circuits found in many industrial settings, often powered by transformers or DC power supplies. The inclusion of a shunt is a significant advantage, enabling the contactor to be used in systems that require current feedback or protection mechanisms, such as overcurrent detection or load monitoring. Littelfuse is a globally recognized leader in circuit protection and switching solutions, known for its innovation, quality, and reliability. Their products are trusted by engineers and technicians worldwide for their performance and durability. Choosing the Littelfuse CON-1/24/40 means investing in a component that is designed to meet stringent industry standards and deliver dependable operation, minimizing downtime and ensuring the safety of personnel and equipment. This contactor represents a smart choice for any industrial application requiring precise and reliable 24V DC switching up to 40A.
  • 1-Pole (1P) configuration for single-circuit switching
  • 24V DC coil voltage for compatibility with low-voltage control systems
  • 40A current rating for handling moderate to heavy industrial loads
  • Integrated shunt for enhanced control and monitoring capabilities
  • Durable construction from Littelfuse for reliable, long-term performance

Specifications

Connection Type
Shunt
Current Rating
40 A
Poles
1P
Series
CON
Voltage Rating
24 V DC
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)
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.
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

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.