Macromatic TR-50821-09 - THR-1 Time Delay Relays TR-50821-09
Macromatic

TR-50821-09

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Overview

The **Macromatic THR-1 Time Delay Relay (TR-50821-09)** is a high-performance industrial timing solution engineered for precision, reliability, and durability in demanding automation environments. Designed as a versatile component for industrial control systems, this time delay relay provides accurate delay functions critical to maintaining operational efficiency across a wide range of applications. Whether deployed in manufacturing lines, process control systems, or machinery automation, the THR-1 ensures consistent timing performance where milliseconds matter. Its robust construction and high-quality internal components make it ideal for harsh industrial conditions, including exposure to vibration, temperature fluctuations, and electrical noise. Time delay relays like the THR-1 are essential in applications requiring delayed activation or deactivation of equipment, such as motor starters, conveyor systems, or automated production lines. The TR-50821-09 model supports multiple timing modes—including ON-delay, OFF-delay, interval, and one-shot—providing flexibility to meet diverse operational requirements. This adaptability allows engineers and technicians to configure timing sequences precisely, optimizing process flow and reducing downtime. With its compact DIN-rail mountable design, the THR-1 integrates seamlessly into standard control panels, minimizing installation space while maximizing functionality. Macromatic, a trusted name in industrial control solutions, has built a reputation for delivering products that combine innovation with reliability. The THR-1 Time Delay Relay reflects this commitment, offering a cost-effective solution for enhancing system performance without compromising quality. Its compatibility with common control voltages (e.g., 120V AC, 24V DC) ensures broad applicability across global industrial infrastructures. Professionals in sectors such as automotive manufacturing, food processing, water treatment, and HVAC systems rely on time delay relays like the THR-1 to manage sequential operations, prevent equipment damage, and improve energy efficiency. Installation is straightforward, thanks to clear terminal labeling and intuitive wiring diagrams, reducing setup time and potential errors. The relay’s durable housing and conformal-coated circuitry provide added protection against moisture, dust, and corrosive atmospheres, extending service life even in challenging environments. For maintenance teams, the THR-1’s modular design simplifies replacement and troubleshooting, minimizing operational disruptions. By integrating this relay into automation architectures, facilities can achieve tighter control over timing-dependent processes, leading to improved throughput, reduced waste, and enhanced safety compliance. Choosing the right time delay relay involves evaluating timing ranges, input voltage compatibility, and environmental resilience. The Macromatic THR-1 excels in these areas, offering a balance of performance and value. Its proven track record in industrial applications—from heavy machinery to precision instrumentation—underscores its role as a dependable building block in modern control systems. For engineers seeking a reliable, field-proven timing solution, the THR-1 Time Delay Relay (TR-50821-09) delivers the precision and durability required to meet today’s automation challenges.
  • Precise timing control for ON-delay, OFF-delay, interval, and one-shot modes
  • Robust construction with high-quality components for harsh industrial environments
  • DIN-rail mountable design for easy integration into control panels
  • Wide voltage compatibility (e.g., 120V AC, 24V DC) for global applications
  • Modular and field-replaceable for simplified maintenance and troubleshooting

Specifications

Connection Type
Screw Terminal
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.