Littelfuse TDR4A13 SOLID STATE ON/OFF TIMER

Name: Littelfuse TDR4A13 Solid State On/Off Timer for precise industrial timing control.
Brand: Littelfuse
SKU: TDR4A13
Availability: InStock

UPC: 079458999822

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Specification Sheet

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Minimum Qty: 10

Multiplier: 10

*Contact for lower quantities*

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

Overview

The Littelfuse TDR4A13 Solid State On/Off Timer represents a pinnacle of precision and reliability for critical industrial timing applications. Engineered by Littelfuse, a globally recognized leader in circuit protection and switching solutions, this timer (SKU: TDR4A13) delivers consistent and repeatable on/off control essential for modern automation and process management. At its core, the TDR4A13 utilizes advanced solid-state technology, which translates to superior performance and longevity compared to traditional mechanical timers. This robust construction ensures resistance to vibration, shock, and environmental factors commonly found in industrial settings, making it an ideal choice for demanding operational environments. The inherent durability of solid-state components means fewer moving parts, leading to reduced maintenance requirements and minimized downtime, thereby enhancing overall operational efficiency. This timer is meticulously designed to provide accurate timing cycles, crucial for a wide array of industrial processes. Whether you are managing sequential operations in manufacturing lines, controlling intermittent power to equipment, or synchronizing complex automation sequences, the TDR4A13 offers the precision you need. Its ability to reliably switch loads on and off at specified intervals ensures that your processes run smoothly and predictably, contributing to product quality and throughput. The versatility of the Littelfuse TDR4A13 makes it suitable for numerous applications across various industries, including: * **Manufacturing Automation:** Controlling conveyor belts, robotic movements, and assembly line sequences. * **Process Control:** Managing pump cycles, valve actuation, and heating/cooling element operation. * **HVAC Systems:** Regulating fan operation, air handler cycles, and ventilation. * **Industrial Lighting:** Implementing scheduled on/off controls for plant lighting. * **Motor Control:** Managing start-up delays or intermittent operation of industrial motors. Installation and integration into existing control panels are streamlined due to its compact design and standard form factor. Professionals can rely on the TDR4A13 to seamlessly fit into control cabinets, offering a plug-and-play solution where applicable or straightforward wiring for custom setups. The UNSPSC code 39122329 categorizes this product within the electrical relays and switches domain, highlighting its fundamental role in electrical control systems. Choosing Littelfuse for your timing needs means investing in a brand synonymous with quality, innovation, and unwavering dependability. The TDR4A13 is a testament to this commitment, providing a robust, efficient, and precise timing solution that empowers industrial operations to achieve higher levels of productivity and control. Trust the TDR4A13 to be the reliable heart of your critical timing functions, ensuring consistent performance day in and day out.

Solid-state technology for enhanced durability and reliability
Precise on/off timing control for critical industrial processes
Designed for demanding industrial environments with resistance to shock and vibration
Ideal for manufacturing, automation, process control, and HVAC applications
Compact design for easy integration into existing control systems

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Frequently Asked Questions

What is the TDR4A13 input voltage and sequence type?

The TDR4A13 has a 120VAC input voltage and operates in the 'ON time first' sequence.

What are the ON and OFF time ranges for TDR4A13?

The ON time range is 0.1-102.3 seconds in 0.1s increments, and the OFF time range is 10-10230 seconds in 10s increments.

What is the output contact rating for the TDR4A13 relay?

The relay output contacts are rated for 10A resistive at 120/240VAC and 28VDC, and 1/3 hp at 120/240VAC.

What is the operating temperature range for the TDR4A13?

The TDR4A13 has an operating temperature range of -20° to 65°C.

How is the delay time set on the TDR4A13?

The ON and OFF delay times are set using two ten-position binary switches.

What is the repeat accuracy of the TDR4A13 time delay relay?

The repeat accuracy is ±0.1% or 20ms, whichever is greater.

What is the setting accuracy for the TDR4A13?

The setting accuracy is ±2% or 50ms, whichever is greater.

What is the maximum switching voltage for the TDR4A13 relay output?

The maximum switching voltage for the relay output is 250VAC.

Does the TDR4A13 have LED indicators for status?

Yes, the TDR4A13 has an input LED indicator (green) and a relay LED indicator (red).

What type of circuitry does the TDR4A13 use for time delay?

The TDR4A13 uses digital integrated circuitry for its time delay functions.

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.