Macromatic TR-50928-12 - THR-1 Time Delay Relays TR-50928-12
Macromatic

TR-50928-12

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Overview

The **Macromatic THR-1 Time Delay Relay (TR-50928-12)** is a high-performance industrial timing solution engineered for precision, reliability, and durability in demanding automation environments. Designed to meet the rigorous demands of modern industrial operations, this relay provides accurate timing control for machinery, HVAC systems, conveyor belts, and process automation—where consistent performance is critical. Whether you need delayed activation, interval timing, or cycle control, the THR-1 delivers repeatable results with minimal drift, ensuring your systems operate smoothly and efficiently. Built by **Macromatic**, a leader in industrial control solutions with decades of expertise, the THR-1 Time Delay Relay is trusted by engineers and maintenance professionals across manufacturing, energy, and infrastructure sectors. Its robust construction and high-quality components are tested to withstand extreme temperatures, vibrations, and electrical noise, making it ideal for harsh industrial settings. Unlike generic relays, the THR-1 is purpose-built for timing applications, offering adjustable delay settings that allow for flexible configuration to match specific operational requirements. **Key Features and Benefits:** - **Precise Timing Control:** Adjustable time delays enable customization for on-delay, off-delay, interval, or one-shot timing modes, ensuring seamless integration into complex control systems. - **Industrial-Grade Durability:** Constructed with high-quality materials and sealed components to resist dust, moisture, and mechanical stress, extending service life even in rugged environments. - **Easy Installation & Wiring:** Compact DIN-rail or panel-mount design simplifies integration into control panels, with clear labeling and standard terminal connections for quick setup. - **Wide Voltage Compatibility:** Supports a broad range of input voltages (typical 12–240V AC/DC), reducing the need for multiple relay variants and streamlining inventory management. - **Low Maintenance & High Reliability:** Solid-state design eliminates mechanical wear, reducing downtime and maintenance costs while ensuring long-term operational stability. **Typical Applications:** The THR-1 Time Delay Relay is widely used in industries such as **manufacturing, oil & gas, water treatment, HVAC, and material handling**. Common applications include: - **Motor Control:** Delayed start/stop to prevent electrical surges or mechanical stress. - **Process Automation:** Timed sequencing for batch operations or conveyor systems. - **Safety Systems:** Delayed shutdowns or interlocking to ensure safe equipment operation. - **Lighting & Signage:** Interval timing for energy-efficient control of industrial lighting. - **HVAC Systems:** Delayed fan activation or compressor cycling to optimize performance and reduce wear. **Why Choose Macromatic?** Macromatic has been a pioneer in industrial timing and control solutions since 1956, earning a reputation for innovation, quality, and customer support. The THR-1 Time Delay Relay reflects this legacy, combining advanced engineering with practical design to deliver a product that professionals can depend on. With UL/cUL and CE certifications, the THR-1 meets global safety and performance standards, making it a trusted choice for OEMs, system integrators, and maintenance teams worldwide. For engineers seeking a **reliable, accurate, and easy-to-install time delay relay**, the Macromatic THR-1 (TR-50928-12) is the ideal solution. Its combination of precision, durability, and flexibility ensures optimal performance in virtually any industrial timing application.
  • Adjustable timing delays for on-delay, off-delay, interval, and one-shot modes
  • Industrial-grade durability with resistance to dust, moisture, and vibration
  • Wide voltage compatibility (12–240V AC/DC) for versatile applications
  • Compact DIN-rail or panel-mount design for easy installation
  • UL/cUL and CE certified for global compliance and safety

Specifications

Connection Type
Screw Terminal
Ip Rating
IP66/IP67
Material
Poly
Mounting Type
DIN-rail or panel-mount
Series
THR-1
Voltage Rating
12–240V AC/DC
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.