Macromatic TR-51721-12 - THR-1 Time Delay Relays TR-51721-12
Macromatic

TR-51721-12

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Overview

The **Macromatic THR-1 Time Delay Relay (TR-51721-12)** is a high-performance, industrial-grade timing control solution engineered to meet the rigorous demands of modern automation, process control, and machinery applications. Designed for reliability and precision, this relay provides adjustable time delays to optimize operational sequences, enhance safety interlocks, and streamline motor control in a wide range of industrial environments. Whether deployed in manufacturing plants, HVAC systems, or heavy machinery, the THR-1 ensures consistent performance with minimal maintenance, reducing downtime and operational costs. Time delay relays like the THR-1 are critical components in systems where precise timing is essential for coordination, sequencing, or delay-based activation. The TR-51721-12 model from Macromatic offers a robust solution for engineers and technicians seeking a dependable relay that can withstand harsh industrial conditions, including temperature fluctuations, electrical noise, and mechanical stress. Its compact design and DIN-rail mounting compatibility make it an ideal choice for panel integration, while its user-friendly adjustment mechanisms allow for quick configuration to meet specific application requirements. **Key Applications and Industries:** - **Manufacturing:** Used in conveyor systems, robotic assembly lines, and packaging machinery to control timing for start/stop sequences, dwell periods, and safety interlocks. - **HVAC Systems:** Critical for managing delays in compressor cycling, fan activation, and temperature regulation to improve energy efficiency and system longevity. - **Industrial Machinery:** Essential for motor control, pump sequencing, and emergency shutdown systems where delayed activation or deactivation is required. - **Process Control:** Applied in chemical processing, water treatment, and food production to ensure precise timing for valve operations, batch processing, and safety protocols. - **Building Automation:** Integrated into lighting control, access systems, and security alarms to manage delays for energy savings and operational efficiency. **Why Choose Macromatic THR-1?** Macromatic is a trusted name in industrial control solutions, renowned for its commitment to quality, innovation, and customer support. The THR-1 Time Delay Relay reflects this legacy with features that prioritize durability, accuracy, and ease of use. Its solid-state design eliminates the wear and tear associated with mechanical relays, while its wide voltage range ensures compatibility with diverse power systems. The relay’s adjustable time delay settings, typically ranging from milliseconds to minutes, provide the flexibility needed to adapt to evolving operational needs without requiring costly replacements or modifications. **Installation and Maintenance Considerations:** The THR-51721-12 is designed for straightforward installation, with clear labeling and accessible terminals for quick wiring. Its DIN-rail mounting system simplifies panel integration, while the relay’s compact footprint maximizes space efficiency in crowded control cabinets. For maintenance, the relay’s modular design allows for easy replacement without disrupting the entire system, minimizing downtime during repairs or upgrades. Macromatic also provides comprehensive documentation and technical support to assist engineers in selecting the right timing solutions for their applications. **Industry-Leading Reliability:** In industries where timing precision directly impacts productivity, safety, and cost-efficiency, the Macromatic THR-1 stands out as a reliable partner. Its compliance with industry standards (e.g., UL, CE) and rigorous testing protocols ensure that it meets the highest benchmarks for performance and safety. Whether you’re retrofitting an existing system or designing a new one, the THR-1 Time Delay Relay delivers the dependability and flexibility required to achieve optimal operational outcomes.
  • Adjustable time delays for precise industrial timing control
  • Industrial-grade durability with solid-state design for long-term reliability
  • Compact DIN-rail mounting for easy panel integration
  • Wide voltage compatibility for versatile power system integration
  • Ideal for manufacturing, HVAC, process control, and building automation

Specifications

Mounting Type
DIN-Rail
Series
THR-1
RTXD Extractor Tool

6896057-1

RTXD Extractor Tool
RTXP 18

RK926011-BC

RTXP 18
Relay Accessories, Sockets & Clips, Printed Circuit Board, Phenolic, Printed Circuit Board, 6, Socket, Potter & Brumfield R10

1-1393143-3

Relay Accessories, Sockets & Clips, Printed Circuit Board, Phenolic, Printed Circuit Board, 6, Socket, Potter & Brumfield R10
Relay Accessories, Sockets & Clips, Solder, Polyester, Printed Circuit Board, 2, Socket, Potter & Brumfield R10

1-1393143-6

Relay Accessories, Sockets & Clips, Solder, Polyester, Printed Circuit Board, 2, Socket, Potter & Brumfield R10
Power supply for DIN-rail

PS-60

Power supply for DIN-rail
IP67 SCP-X Extreme Environment Series Power Supply. Double Stacked, Output Power 2 x 100W, Output Voltage 24 Vdc, Output Current 7.6 A total, 3.8 A per pair

SCP102D24X-C02

IP67 SCP-X Extreme Environment Series Power Supply. Double Stacked, Output Power 2 x 100W, Output Voltage 24 Vdc, Output Current 7.6 A total, 3.8 A per pair

Frequently Asked Questions about Macromatic

What certifications and standards do Macromatic products comply with?

Macromatic products are certified with ULus and cULus approvals for use in the United States and Canada, covering a wide range of industrial control products. Their product line includes UL-listed devices for various voltage ranges (120V, 208-277V) and NEMA enclosure types, ensuring compliance with North American industrial standards.

What industries and applications are Macromatic products used for?

Macromatic products are used across multiple critical industrial sectors, including water/wastewater, pump and motor control, irrigation, oil and gas, HVACR, material handling, lifts and elevators, and other systems requiring process control and protection. Their industrial control products deliver high-quality monitoring, control, and protection solutions for electrical processes and equipment fault protection.

What technical support does Macromatic offer?

Macromatic offers comprehensive technical support through multiple channels, including a dedicated online Technical Resource Center at macromatic.com/technical-support and direct contact with technical advisors. Their support includes engineering assistance for unique applications, help with product selection, custom-engineered solutions, and troubleshooting for product setup. Customers can reach out via their website contact form or contact their technical team directly to get expert guidance on their industrial control products.

What are the main product lines offered by Macromatic?

Macromatic offers a comprehensive range of industrial control, monitoring, and protection products across multiple product lines, including Alternating Relays, Current Sensing Relays, General Purpose Relays, Intrinsically Safe Barrier Relays, Liquid Level Control Relays, Voltage Monitor Relays, and Time Delay Relays. These products serve critical applications in industries such as water/wastewater, pump and motor control, irrigation, oil and gas, HVACR, material handling, and lift systems.

What are the key features of Macromatic products?

Macromatic products feature innovative industrial control solutions with key characteristics including precise time-based control, compact design, and comprehensive protection capabilities. Their product lines cover voltage monitoring, time delay relays, and control products for multiple industries like water/wastewater, pump and motor control, oil and gas, and HVACR. Standout features include space-saving designs, multiple time delay functions, voltage band protection, and customizable solutions with quick prototype turnaround.

What accessories are available for Macromatic products?

Macromatic offers a comprehensive line of accessories for their industrial control products, including industry-standard sockets (8-pin, 11-pin octal, and 12-pin square), back-mounted sockets for panel mounting, retainers, hold-down springs, terminal covers, and replacement terminals. These accessories are designed to simplify relay installation, replacement, and provide additional mounting and protection options for Macromatic products.

How are Macromatic products typically installed?

Macromatic products are typically installed using industry-standard 8-pin and 11-pin octal sockets, as well as 12-pin square sockets that simplify relay installation. These sockets allow for easy mounting, with back-mounted socket options enabling flange-style enclosures to be panel mounted. Additional installation accessories like retainers, hold-down springs, terminal covers, and replacement terminals are available to support precise and secure product installation.

What communication protocols do Macromatic products support?

Macromatic communication modules support multiple industrial communication protocols, including Modbus RTU, Modbus TCP/IP, PROFIBUS, PROFINET, DeviceNet, EtherNet/IP, and IEC 61850. These protocols enable flexible network integration across industrial automation systems, providing comprehensive connectivity and communication capabilities for diverse industrial applications.

What environmental ratings do Macromatic products have?

Macromatic products feature robust environmental ratings across multiple NEMA and IP standards. Most product lines offer NEMA Type 3R, 4, and 4X ratings, with specific models providing protection against dust, water, and corrosion for both indoor and outdoor applications. Select product series like DS20, DS30, DR30, and DR50 come standard as 3R with optional 4X upgrades available.