Macromatic TR-51222-10 - THR-1 Time Delay Relays TR-51222-10
Macromatic

TR-51222-10

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Overview

The Macromatic THR-1 Time Delay Relay (TR-51222-10) is a cornerstone of industrial automation, delivering unmatched precision in timing control for demanding applications. Designed by Macromatic, a leader in industrial control solutions, this relay provides engineers and technicians with a robust, field-proven tool for managing sequential operations, safety interlocks, and process timing with exceptional reliability. Whether deployed in machinery automation, HVAC systems, or material handling equipment, the THR-1 ensures consistent performance where timing accuracy is critical to operational efficiency and safety. Engineered for durability, the THR-1 Time Delay Relay is built to withstand harsh industrial environments, including exposure to vibration, temperature fluctuations, and electrical noise. Its solid-state construction eliminates the wear and tear associated with mechanical relays, ensuring a longer operational lifespan and reduced maintenance costs. The relay features adjustable time delays, allowing users to fine-tune delays from milliseconds to hours to match specific process requirements. This flexibility makes it ideal for applications such as motor sequencing, conveyor control, lighting automation, and emergency shutdown systems. In HVAC applications, the THR-1 excels by enabling precise control of fan delays, compressor cycling, and damper operations, improving energy efficiency and system longevity. For industrial machinery, it supports critical functions like delayed start/stop sequences, emergency stop coordination, and safety interlocks, ensuring compliance with OSHA and ANSI standards. The relay’s compact DIN-rail mountable design simplifies installation in control panels, while its clear LED indicators provide immediate visual feedback on relay status and timing mode. Macromatic’s reputation for quality and innovation in industrial control components makes the THR-1 a trusted choice among engineers and maintenance professionals. With over 50 years of experience, Macromatic has earned a global reputation for delivering high-performance timing solutions that meet the rigorous demands of modern automation systems. The TR-51222-10 model, in particular, is widely used in food processing, automotive manufacturing, water treatment, and renewable energy sectors, where timing precision directly impacts productivity and safety. Selecting the right time delay relay involves evaluating factors such as delay range, input voltage compatibility, and environmental ratings. The THR-1 supports a broad range of input voltages (typically 12–240 VAC/DC), making it compatible with most industrial control systems. Its high dielectric strength and surge protection ensure reliable operation even in noisy electrical environments. For professionals seeking a dependable, long-term timing solution, the Macromatic THR-1 Time Delay Relay offers the performance, durability, and flexibility required to optimize industrial processes and enhance system reliability.
  • Adjustable time delays for millisecond to hour ranges
  • Solid-state design for long lifespan and low maintenance
  • DIN-rail mountable for easy panel installation
  • Wide input voltage compatibility (12–240 VAC/DC)
  • LED indicators for real-time status monitoring

Specifications

Series
THR-1
THR-1 Time Delay Relays THR-11666-12JT

THR-11666-12JT

THR-1 Time Delay Relays THR-11666-12JT
THR-1 Time Delay Relays THR-13162-07-33

THR-13162-07-33

THR-1 Time Delay Relays THR-13162-07-33
THR-1 Time Delay Relays THR-14162-15-33JT

THR-14162-15-33JT

THR-1 Time Delay Relays THR-14162-15-33JT
THR-1 Time Delay Relays THR-14162-15-12

THR-14162-15-12

THR-1 Time Delay Relays THR-14162-15-12
THR-1 Time Delay Relays THR-14162-17-08T

THR-14162-17-08T

THR-1 Time Delay Relays THR-14162-17-08T

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.