TR-51621-14 MACROMATIC Sinfuntimedelayrelay

Review MACROMATIC Sinfuntimedelayrelay 240vac 8pins

The Macro Matic TR-51621-14 Sinfun Time-Delay Relay is a versatile and powerful electrical device designed for various automation applications. This 240V AC, 8-pin relay comes with a built-in time-delay function, allowing it to control the flow of electrical current after a specified time interval has elapsed.

Measuring in at 1.5 inches long, 1.3 inches wide, and 1.0 inch high, the TR-51621-14 occupies a relatively small footprint, making it an excellent choice for confined spaces or applications where size is a concern. The relay features an operating voltage of 240 volts AC, with a coil voltage of 33 volts DC, ensuring it can handle heavy loads and demanding environments.

With an 8-pin configuration, the TR-51621-14 offers a high level of connectivity, enabling it to interface with various control systems and sensors. The first four pins (NO1, NO2, NC1, and NC2) are normally open (NO) contacts, while the remaining four pins (COM, NO3, NO4, and NC3) serve as common and normally closed (NC) contacts. This configuration provides users with multiple options for wiring and circuit design.

The time-delay function of the TR-51621-14 allows for precise control over the timing of electrical processes. With a time delay ranging from 0.02 seconds to 99 minutes, this relay offers exceptional flexibility and adaptability to various automation projects. The adjustment of the time delay is accomplished through the use of an external potentiometer, making calibration a straightforward process.

Equipped with a durable, epoxy-coated housing, the TR-51621-14 is designed to withstand the rigors of industrial environments. It is also RoHS compliant, ensuring that it meets the stringent standards for the restriction of hazardous substances in electronic components.

In summary, the Macro Matic TR-51621-14 Sinfun Time-Delay Relay is a versatile and robust electrical component suitable for a wide range of automation applications. Its 8-pin configuration, adjustable time-delay function, and durable construction make it an indispensable tool for engineers and technicians working in industries that require precise control over electrical processes.

Macromatic TR-51621-14 Sinfun Time-Delay Relay (240VAC, 8-Pins, 33VC19): A Comprehensive Analysis

The Macromatic TR-51621-14 Sinfun Time-Delay Relay is a 240VAC, 8-pin device designed for controlling electrical circuits with a selectable time delay. This relay offers various advantages, but like any other electrical component, it comes with its pros and cons. In this analysis, we will discuss the key features, benefits, and potential drawbacks of this time-delay relay.

1. Versatility: The Macromatic TR-51621-14 Sinfun Time-Delay Relay can be used in various applications, including industrial automation, HVAC systems, and security systems. Its 8-pin configuration allows for multiple functions, such as normally open (NO), normally closed (NC), and combination contacts.

2. Adjustable Time Delay: The time delay can be adjusted from 0.1 seconds to 999.9 seconds, providing flexibility and precision in controlling the electrical load.

3. Robust Design: The relay has a durable, corrosion-resistant housing, making it suitable for harsh environments and long-term use.

4. Safety Features: The relay includes overload protection and a fail-safe mechanism, ensuring safe operation and minimizing the risk of electrical hazards.

5. Easy Installation: The relay comes with clear markings on the pins and a user-friendly control dial, simplifying the installation process.

1. Complexity: Compared to simple on-off relays, time-delay relays are more complex and may require more technical expertise for installation and troubleshooting.

2. Power Consumption: The relay consumes power even when not in use, which can lead to increased energy costs over time.

3. Limited Capacity: The Macromatic TR-51621-14 Sinfun Time-Delay Relay has a maximum load capacity of 2 Amps, making it unsuitable for heavy-duty applications.

The Macromatic TR-51621-14 Sinfun Time-Delay Relay is a versatile and robust electrical component that offers precise control over electrical circuits with adjustable time delays. Its advantages include versatility, adjustable time delay, robust design, safety features, and ease of installation. However, its complexity, power consumption, and limited capacity may be considered drawbacks for some users.

Based on the analysis, the Macromatic TR-51621-14 Sinfun Time-Delay Relay is recommended for applications where precise control over electrical loads with adjustable time delays is essential and the complexities and limitations are acceptable. For simpler on-off applications or heavy-duty loads, other types of relays may be more suitable.

Details:

Power adapters and other modifications may be necessary for proper operation in countries. Single function time delay relay, adjustment method potentiate, base shape octal, coil voltage 240v ac, contact form DPT, rating ac 10 a 240v, dc 30v, current a, number of functions 1, off delay, electrical connection socket, flat pin width not applicable, IP ip20, input minimum setting 9 sec, maximum 15 min, pins 11, sealing enclosed, mounting plug-in Macromatic relay features an function with adjustable timing range 9-900 seconds, ac input voltage and 10a DPT output contacts, utilizing 11 pin octal socket.

specifications genpurrelays:

• brand: Macromatic
• mpn: Tr-51621-14
• type: Time-delay Relays
• upc: 801262084490

shipping genpurrelays:

• carrier: ups
• class: standard
• service: ups ground
• transit: 3-5 days
• type: fixed

general genpurrelays:

• category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays

payments genpurrelays:

• wallet: google-pay
• other
• credit card: discover

offer genpurrelays:

• started: may 16, 2026
• sold #: 11
• in stock #: 2
• options: ship-to-home
• availability: in stock
• prices: $37.04–$37.40
• item condition: New

seller genpurrelays:

• rating: 99.8%
• # reviews: 155090
• city: minooka, illinois

returns genpurrelays:

• paid by: seller
• time: 30 days
• method: money back
• policy: returns accepted