Macromatic TR-50921-12 - THR-1 Time Delay Relays TR-50921-12
Macromatic

TR-50921-12

Contact for Pricing

Overview

The **Macromatic TR-50921-12 THR-1 Time Delay Relay** is a high-performance industrial control component engineered to deliver precise timing solutions in automation, process control, and safety systems. Designed for engineers, system integrators, and maintenance professionals, this relay ensures reliable operation in demanding environments where accuracy and durability are critical. As part of Macromatic’s trusted THR-1 series, the TR-50921-12 combines robust construction with advanced timing functionality, making it a preferred choice for applications requiring delayed activation, sequencing, or interlocking. **Key Features and Technical Advantages** The TR-50921-12 excels in applications where consistent timing is essential. Its **compact, panel-mountable design** allows seamless integration into control cabinets, junction boxes, or automation panels, even in space-constrained installations. Built with **high-quality industrial-grade materials**, the relay withstands extreme temperatures, vibration, and electrical noise—common in manufacturing, HVAC, and material handling environments. The unit’s **adjustable time delay** (typically ranging from milliseconds to hours, depending on configuration) provides flexibility to adapt to diverse process requirements, whether for motor start delays, conveyor sequencing, or emergency shutdown protocols. **Industry Applications and Use Cases** Time delay relays like the Macromatic TR-50921-12 are indispensable in industries where **sequential operations, safety interlocks, or delayed responses** are required. In **manufacturing**, they control the timing of robotic arms, press operations, or batch processing cycles to ensure smooth workflows and prevent equipment damage. **HVAC systems** rely on these relays for staged fan or compressor activation, optimizing energy efficiency while maintaining comfort levels. In **material handling**, they manage conveyor belt sequencing, diverter gate timing, or emergency stop delays to enhance operational safety. The relay’s **SPDT or DPDT contact configuration** (depending on model) supports a wide range of control circuits, from simple pilot duty to high-current motor loads. **Installation, Compatibility, and Maintenance** Installation of the TR-50921-12 is straightforward, thanks to its **standard DIN-rail or panel-mount compatibility** and clear terminal labeling. Professionals appreciate the relay’s **wide voltage range** (typically 12–240V AC/DC), which simplifies integration into existing control systems without requiring additional power supplies. For maintenance teams, the relay’s **modular design** allows quick replacement or troubleshooting, reducing downtime in critical applications. Macromatic’s **long-standing reputation** for reliability ensures that the TR-50921-12 meets or exceeds industry standards, including UL, CE, and RoHS certifications, providing peace of mind for compliance-driven environments. **Why Choose Macromatic for Time Delay Relays?** Macromatic has been a leader in industrial control solutions for decades, earning trust across sectors like **automotive, food processing, water treatment, and renewable energy**. The company’s **engineering expertise** and commitment to quality are evident in the TR-50921-12’s performance, backed by rigorous testing and a global distribution network. Whether you’re designing a new automation system or upgrading legacy equipment, the TR-50921-12 delivers **precision, durability, and ease of use**—key attributes that set Macromatic apart in the competitive relay market. For professionals who demand **dependable timing control without compromise**, the TR-50921-12 is a proven solution that enhances system efficiency and safety.
  • Precision timing control for automation, process, and safety systems
  • Compact, panel-mountable design for easy integration
  • Adjustable time delay (ms to hours) for flexible applications
  • Industrial-grade construction withstands harsh environments
  • SPDT/DPDT contact options for versatile control circuits

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.