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Specification & Description
| Specification | Description |
|---|---|
| Part Number | ETR4-51-A |
| Alternative Part Number | ETR451A |
| Manufacturer | Moeller |
| Timing Relay Type | Single Function Timer Relay |
| Control Supply Voltage | 24 to 240 V ac/dc |
| Mounting Type | DIN Rail Mount |
| Time Range | 3 to 60 seconds |
| Dimensions | 22.5 x 103 x 82.5 mm |
| Terminal Type | Screw |
| Number of Changeover Contacts | 1 |
| Rated Operational Current | AC-14: 3 A at 300 V; AC-15: 3 A at 220/230/240 V |
| Rated Insulation Voltage | 400 V ac (up to release 001) |
| Rated Operational Voltage | 300 V ac (up to release 001) |
| Frequency | 50/60 Hz |
| Commodity Code | 853649 |
| Operating Temperature Range | -25°C to +60°C (open), -25°C to +45°C (enclosed) |
| Mechanical Lifespan | 30 million operations (AC operated), 30 million operations (DC operated) |
| Electrical Lifespan | AC-14: 3 A at 300 V; AC-15: 3 A at 220/230/240 V |
| Degree of Protection | Terminals: IP20 |
The Moeller ETR4-51-A is a versatile and reliable timing relay designed for a wide range of industrial applications. This single-function timer relay is engineered to facilitate star-delta switching, ensuring smooth transitions and reducing the mechanical stress on motors during startup. With a fixed timing function and a time range of 3 to 60 seconds, it offers precision in operations that require specific timing intervals.
Constructed for durability and ease of use, the ETR4-51-A features a robust design with a width of 22.5 mm, making it suitable for compact installations. The relay is compatible with a voltage range of 24 to 240 V AC/DC, catering to diverse electrical requirements and making it a flexible choice for global use.
Installation is straightforward with its screw connection terminals, which provide a secure and reliable electrical contact. The device is also designed for DIN rail mounting, allowing for quick integration into existing systems. The clear terminal marking in accordance with EN 50042 standards ensures error-free wiring and maintenance.
The Moeller ETR4-51-A is compliant with IEC/EN 61812 standards, reflecting its quality and adherence to international safety and performance benchmarks. Its mechanical lifespan is rated for millions of operations, signifying its capability to withstand the demands of rigorous industrial environments.
Whether used in control panels, conveyor systems, or machinery requiring precise timing control, the Moeller ETR4-51-A is an essential component that combines functionality with reliability, making it a valuable addition to any industrial automation system.
Commonly Asked Questions
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Frequently Asked Questions
What is the voltage range for this timing relay?
The timing relay operates within a voltage range of 24 to 240 V AC/DC, making it versatile for various applications.
Can this relay be mounted on a DIN rail?
Yes, the relay is suitable for DIN rail mounting, which allows for easy installation in control panels.
What are the dimensions of this timing relay?
The dimensions of the relay are 22.5 mm in width, 103 mm in height, and 82.5 mm in depth.
What is the function of this timing relay?
This relay is designed for star-delta switching, which is commonly used to reduce the starting current of motors.
What is the time range that can be set on this relay?
The time range for this relay can be set between 3 to 60 seconds.
How many changeover contacts does this relay have?
This relay is equipped with one changeover contact.
Is the control voltage type AC, DC, or both?
The relay supports both AC and DC control voltage types, enhancing its flexibility for different systems.
What is the rated operational current for this relay?
The rated operational current for this relay is 3 amperes.
Does this relay have a LED function display?
Yes, the relay includes a LED function display for clear indication of its operating status.
What standards does this timing relay comply with?
The relay complies with IEC/EN 61812-1, IEC/EN 60947-5-1, UL 508, and CSA-22.2 No. 14 standards.
Part conditions explained
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Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
