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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RU2116-1AB0 |
| Alternative Part Number | 3RU21161AB0 |
| Manufacturer | Siemens |
| Product Type | Overload Relay |
| Contact Configuration | 1NO/1NC (1 Normally Open, 1 Normally Closed) |
| Voltage Rating | 690 V ac |
| Number of Poles | 3 Poles |
| Terminal Type | Screw Terminal |
| Dimensions | 70 x 45 x 76 mm |
| Adjustable Current Range | 1.1 to 1.6 A |
| Operating Temperature Range | -40 to +70 °C during operation |
| Storage Temperature Range | -55 to +80 °C |
| Frequency Rating | 50 to 60 Hz |
| Operating Power at AC-3 | 0.55 kW at 400 V, 0.75 kW at 500 V, 1.1 kW at 690 V |
| Auxiliary Circuit Design | Integrated |
| Number of Auxiliary Contacts | 1 NC for contactor disconnection, 1 NO for message "Tripped" |
| Operating Current for Aux Contacts | 3 A at 24 V, 3 A at 110 V, 3 A at 120 V, 3 A at 125 V, 2 A at 230 V, 1 A at 400 V |
| Protection Class | IP20 |
| Type of Protection | Ex e |
| Protection against Electrical Shock | Finger-safe |
| Commodity Code | 853649 |
The Siemens 3RU2116-1AB0 is a meticulously engineered overload relay designed to provide optimal protection for motors in a variety of industrial applications. This compact and robust component is part of the SIRIUS product family, renowned for its reliability and efficiency. With a trip class of 10, it ensures quick response to prevent motor damage due to overload conditions.
Crafted for seamless integration, the 3RU2116-1AB0 is compatible with size S00 contactors, allowing for a streamlined assembly within control systems. The overload relay operates within a current range of 1.1 to 1.6 A, making it versatile for a range of motor sizes. It is equipped with screw terminals for both the main and auxiliary circuits, ensuring secure and reliable connections.
The device boasts an insulation voltage rated at 690 V and can withstand impulse voltages up to 6 kV, highlighting its robustness in challenging electrical environments. Additionally, it is designed to function effectively at installation altitudes up to 2000 metres above sea level, and within a wide ambient temperature range from -40 to +70°C, ensuring consistent performance across diverse operating conditions.
The 3RU2116-1AB0 features a manual and automatic reset function, providing flexibility in system control and maintenance. Its compact dimensions of 70 x 45 x 76 mm make it an excellent choice for applications where space is at a premium, without compromising on protection capabilities.
Overall, the Siemens 3RU2116-1AB0 overload relay is a high-quality protective device that offers precise and reliable operation, ensuring the longevity and efficiency of motor-driven systems.
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Frequently Asked Questions
What is the function of this overload relay?
The Siemens overload relay is designed to protect motors from overcurrent by breaking the circuit in the event of an overload, preventing potential damage to the motor.
Can this overload relay be used in hazardous locations?
Yes, this overload relay is suitable for use in hazardous locations, ensuring compliance with safety standards for such environments.
What are the ambient temperature limits for operating this overload relay?
The overload relay can operate within an ambient temperature range of -40°C to +70°C, making it suitable for a variety of industrial environments.
What is the rated operating voltage for this relay?
The rated operating voltage for this relay is 690 V AC, which is the maximum voltage at which the relay can operate effectively.
What type of terminals does this overload relay have?
This overload relay is equipped with screw terminals for both the main and auxiliary circuits, providing a secure and reliable connection.
What is the tripping class of this overload relay?
The tripping class for this overload relay is CLASS 10, which refers to the time it takes for the relay to trip in an overload condition.
How many poles does this overload relay have for the main current circuit?
The overload relay has 3 poles for the main current circuit, which is typical for three-phase motor protection applications.
What is the range of the adjustable pick-up value current for this relay?
The adjustable pick-up value current for this relay ranges from 1.1 A to 1.6 A, allowing for precise protection settings based on the motor's requirements.
Is there a manual reset function on this overload relay?
Yes, this overload relay includes a manual reset function, which allows for the relay to be manually reset after a trip due to overload.
What is the protection class of the front side of this overload relay?
The front side of the overload relay has a protection class of IP20, which provides protection against solid objects larger than 12.5 mm but not against liquids.
Part conditions explained
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