Macromatic TR-51521-04 - THR-1 Time Delay Relays TR-51521-04
Macromatic

TR-51521-04

Contact for Pricing

Overview

The **Macromatic TR-51521-04 THR-1 Time Delay Relay** is a precision-engineered industrial timing solution designed to deliver accurate, repeatable delays in automation, process control, and machinery applications. As a trusted component in Macromatic’s extensive portfolio of industrial relays, the TR-51521-04 ensures reliable operation where timing accuracy directly impacts system performance, safety, and efficiency. Whether used for motor control, sequencing, safety interlocks, or sequential operations, this relay provides the dependable timing control required in modern industrial environments. Engineered for **minimal drift and long-term stability**, the TR-51521-04 is ideal for critical applications where timing precision cannot be compromised. Its robust construction and high-quality internal components are built to withstand the rigors of industrial use, including exposure to vibration, temperature fluctuations, and electrical noise. This makes it particularly well-suited for harsh environments such as manufacturing plants, chemical processing facilities, water treatment systems, and material handling operations. The **THR-1 series** from Macromatic is widely recognized in the industry for its **versatility and ease of integration**, allowing seamless compatibility with a broad range of control systems and PLCs. Professionals across industries rely on this relay for applications such as: - **Motor control and sequencing** – Ensuring precise start-up, stop, and delay intervals in conveyor systems, pumps, and automated machinery. - **Safety interlocks** – Providing timed delays in emergency shutdown circuits or access control systems to prevent unsafe conditions. - **Process control** – Managing timing in batch processing, curing ovens, or temperature regulation systems where consistent delays are critical. - **Machine automation** – Coordinating multi-stage operations in CNC machines, packaging lines, or robotic assembly systems. - **HVAC and building automation** – Controlling timed operations in ventilation systems, lighting circuits, or energy management protocols. Installation and configuration are straightforward, with options for panel mounting or DIN rail integration, depending on system requirements. The relay’s **adjustable time delay settings** allow for flexible programming to match specific operational needs, reducing the need for custom hardware solutions. Macromatic’s reputation for **engineering excellence and product durability** ensures that the TR-51521-04 delivers consistent performance over its operational lifespan, minimizing downtime and maintenance costs. Choosing the right time delay relay involves evaluating factors such as **response time accuracy, environmental resilience, and compatibility with existing control infrastructure**. The Macromatic TR-51521-04 excels in all these areas, making it a preferred choice for engineers and maintenance professionals who demand **reliability, precision, and longevity** in their timing solutions. Backed by Macromatic’s decades of experience in industrial control components, this relay represents a smart investment for any operation where timing precision is non-negotiable.
  • High-precision timing with minimal drift for critical industrial applications
  • Rugged construction for reliable performance in harsh environments
  • Compatible with PLCs and control systems for seamless integration
  • Adjustable time delay settings for flexible programming
  • Trusted Macromatic quality for long-term durability and reduced downtime

Specifications

Mounting Type
DIN-rail/Panel
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.