Macromatic TR-51728-07 - THR-1 Time Delay Relays TR-51728-07
Macromatic

TR-51728-07

Contact for Pricing

Overview

The **Macromatic THR-1 Time Delay Relay (TR-51728-07)** is a high-performance, industrial-grade timing solution engineered for applications requiring precise delay functions in demanding environments. Designed to deliver consistent and reliable performance, this relay is a critical component for automation systems, process control, and machinery where timing accuracy directly impacts operational efficiency and safety. Built with Macromatic’s reputation for durability and engineering excellence, the THR-1 relay ensures long-term dependability in harsh industrial settings, from manufacturing floors to utility plants. Time delay relays like the THR-1 are essential for coordinating sequences in automated systems, preventing equipment damage, and optimizing workflows. Whether used for delayed start/stop operations, interval timing, or fail-safe interlocking, this relay provides the flexibility and precision required in modern industrial automation. Its compact, rugged construction makes it suitable for panel mounting, DIN rail installation, or direct integration into control cabinets, ensuring compatibility with a wide range of industrial enclosures and environments. Key features of the Macromatic THR-1 include **adjustable time delays**, allowing engineers to fine-tune response times for specific applications—from milliseconds to hours. The relay supports both **on-delay and off-delay** modes, enabling precise control over activation and deactivation sequences in machinery and processes. With **high switching capacity** and **low power consumption**, it integrates seamlessly into control systems while maintaining energy efficiency. Additionally, the THR-1 is designed for **easy installation and maintenance**, featuring clear labeling, accessible terminals, and compatibility with standard industrial wiring practices. Industries that rely on the Macromatic THR-1 Time Delay Relay include **manufacturing, HVAC, water treatment, material handling, and power generation**. In manufacturing, it ensures synchronized operation of conveyors, presses, and robotic systems. HVAC systems use time delay relays to manage compressor cycling and prevent short-cycling, extending equipment lifespan. Water treatment facilities depend on precise timing for pump sequencing and chemical dosing, while material handling systems use relays to control conveyor belts and sorting mechanisms. Power generation and distribution systems leverage time delay relays for protective relaying, load shedding, and sequence coordination. Selecting the right time delay relay involves evaluating factors such as **response time accuracy, environmental durability, and compatibility with existing control systems**. The Macromatic THR-1 excels in these areas, offering a balance of performance, reliability, and ease of integration. Its **industrial-grade construction** resists shock, vibration, and temperature extremes, ensuring consistent operation in facilities with fluctuating conditions. The relay’s **high-quality components** and **rigorous testing** align with Macromatic’s commitment to quality, a brand trusted by engineers and maintenance professionals worldwide. For professionals specifying or maintaining industrial control systems, the Macromatic THR-1 Time Delay Relay (TR-51728-07) represents a cost-effective, high-reliability solution for timing-critical applications. Whether upgrading legacy systems or designing new installations, this relay provides the precision and durability needed to enhance operational efficiency and reduce downtime. With Macromatic’s decades of experience in industrial control components, the THR-1 stands as a proven choice for engineers who demand performance without compromise.
  • Adjustable time delays for precise control in milliseconds to hours
  • Supports on-delay and off-delay modes for flexible sequencing
  • High switching capacity with low power consumption for energy efficiency
  • Rugged, industrial-grade construction for harsh environments
  • Easy installation with standard wiring and panel/DIN rail compatibility

Specifications

Mounting Type
Panel mounting, DIN rail, or control cabinet
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.