Macromatic TR-51526-09 - THR-1 Time Delay Relays TR-51526-09
Macromatic

TR-51526-09

Documents & Media
Technical DrawingInstallation InstructionsManufacturer Product Website

Contact for Pricing

Overview

The Macromatic THR-1 Time Delay Relay (TR-51526-09) is a high-performance industrial-grade timing solution engineered to deliver precise control in automation, process control, and machinery applications. Designed for reliability in demanding environments, this relay ensures consistent operation where timing accuracy is critical to system performance. As a trusted component in industrial control panels, PLC systems, and automated production lines, the THR-1 provides engineers and technicians with a robust solution for managing sequential operations, delay-based triggers, and safety interlocks. Its compact and durable construction allows for seamless integration into control cabinets, machinery enclosures, and distributed I/O systems, making it a versatile choice for both new installations and retrofit projects. Time delay relays like the THR-1 are fundamental to modern industrial automation, enabling precise sequencing of events such as motor start delays, conveyor belt timing, valve actuation, and emergency shutdown protocols. In process industries—including chemical processing, water treatment, food and beverage, and pharmaceutical manufacturing—the THR-1 ensures that critical timing sequences are executed with repeatable accuracy, reducing human error and improving process consistency. In manufacturing environments, it supports coordinated operation of multiple machines, helping to synchronize cycles, manage batch processing, and optimize throughput. Its application extends to HVAC systems, lighting control, and energy management, where timed activation and deactivation improve efficiency and reduce operational costs. Engineered by Macromatic, a leader in industrial control solutions with decades of expertise, the THR-1 Time Delay Relay is built to withstand harsh conditions, including temperature extremes, vibration, and electrical noise. The relay’s solid-state design eliminates moving parts, ensuring long service life and resistance to wear from frequent cycling. This makes it ideal for high-cycle applications in automotive assembly, packaging, and material handling systems. Installation is straightforward, with standard DIN rail mounting compatibility and clear terminal labeling for quick wiring. The relay supports both on-delay and off-delay timing modes, allowing flexibility in configuring control logic to match specific application requirements. Professionals in industrial automation rely on Macromatic for relays that combine precision, durability, and ease of integration. The THR-1 is widely used in OEM machinery, panel builders, and end-user facilities where downtime is not an option. Its compliance with industrial standards and robust construction make it a preferred choice for engineers seeking a dependable timing solution. Whether controlling a single machine or orchestrating a complex automated system, the Macromatic THR-1 Time Delay Relay (TR-51526-09) delivers the reliability and accuracy needed to maintain operational excellence and maximize productivity in industrial environments.
  • Industrial-grade time delay relay for automation and process control
  • Compact, durable design with solid-state construction for long service life
  • Supports on-delay and off-delay timing modes for flexible control logic
  • DIN rail mountable for easy integration into control panels and machinery
  • Trusted by engineers for reliable operation in harsh industrial environments

Specifications

Connection Type
Screw Terminal
Mounting Type
DIN Rail
Series
THR-1
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
RTXP 18

RK926011-BC

RTXP 18
RTXD Extractor Tool

6896057-1

RTXD Extractor Tool
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.