Macromatic TR-51328-05 - THR-1 Time Delay Relays TR-51328-05
Macromatic

TR-51328-05

Contact for Pricing

Overview

The **Macromatic THR-1 Time Delay Relay (TR-51328-05)** is a high-performance, industrial-grade timing solution engineered to deliver precise and reliable control in demanding automation and process applications. Designed for engineers and technicians who demand accuracy and durability, this relay provides adjustable time delays to meet the exact operational requirements of complex systems. Whether integrated into manufacturing lines, HVAC control panels, or industrial machinery, the THR-1 ensures consistent performance in harsh environments where timing precision is critical to system efficiency and safety. **Key Features and Functionality** The THR-1 Time Delay Relay is part of Macromatic’s trusted line of industrial control components, known for their rugged construction and long service life. Unlike basic relays, time delay relays like the THR-1 offer programmable delays—on-delay, off-delay, interval, or one-shot timing modes—allowing for seamless integration into control circuits that require delayed activation or deactivation of loads. This versatility makes it ideal for applications such as motor starting sequences, conveyor belt control, lighting automation, and pump operation, where precise timing prevents equipment damage and optimizes energy use. **Industry Applications and Use Cases** In **manufacturing**, the THR-1 is commonly deployed in assembly lines to manage sequential operations, ensuring that downstream processes only activate after upstream tasks are completed. For example, in automotive production, it can control the timing of robotic welders or paint booths, reducing cycle times and improving throughput. In **HVAC systems**, the relay is used to stagger the activation of compressors or fans to prevent electrical surges and maintain stable indoor climate control. Industrial machinery operators rely on it for delayed start/stop functions in pumps, valves, and actuators, enhancing system longevity and operational safety. **Engineering and Installation Benefits** Macromatic’s THR-1 is designed with **ease of installation** in mind, featuring standard DIN rail mounting compatibility and screw-terminal connections that simplify integration into existing control panels. The relay’s compact footprint and clear labeling reduce wiring errors and commissioning time, making it a preferred choice for retrofit projects and new installations alike. Its **high-quality components**—including arc-resistant contacts and temperature-stable timing circuits—ensure reliable operation across a wide temperature range, from freezing warehouse floors to hot factory floors. **Why Choose Macromatic?** With over six decades of experience in industrial control solutions, Macromatic is a globally recognized manufacturer trusted by engineers for products that combine innovation with durability. The THR-1 Time Delay Relay reflects this legacy, offering a balance of performance, longevity, and value. Unlike generic relays, Macromatic’s products undergo rigorous testing to meet industry standards for shock, vibration, and electrical noise immunity, ensuring uninterrupted operation in even the most challenging environments. For professionals seeking a **cost-effective, field-proven timing solution**, the THR-1 delivers unmatched reliability and ease of use, backed by comprehensive technical support and a global distribution network. **Ideal for:** - Automation engineers designing sequential control systems - HVAC technicians optimizing load management - Maintenance teams upgrading legacy timing relays - OEMs integrating precise timing into machinery With the **Macromatic THR-1 Time Delay Relay (TR-51328-05)**, you gain a dependable partner for timing-critical applications—where precision, durability, and ease of integration are non-negotiable.
  • Adjustable time delay modes (on-delay, off-delay, interval, one-shot)
  • Industrial-grade construction for harsh environments
  • DIN rail and screw-terminal compatibility for easy installation
  • Trusted by engineers for precise timing in automation and HVAC
  • Backed by Macromatic’s 60+ years of control solutions expertise
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.