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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RU2116-1FB1 |
| Alternative Part Number | 3RU21161FB1 |
| Manufacturer | Siemens |
| Product Type | Overload Relay |
| Size of Overload Relay | S00 |
| Contactor Compatibility | S00 (company-specific) |
| Active Power Loss | Typical 6.1 W |
| Insulation Voltage | Rated value 690 V |
| Surge Voltage Resistance | Rated value 6 kV |
| Protection Class IP | IP20 (front and terminal) |
| Shock Resistance | According to IEC 60068-2-27: 8g / 11 ms |
| Assignment Type | Type 2 |
| Type of Protection | Ex e |
| ATEX Certificate | DMT 98 ATEX G 001 |
| Protection Against Electric Shock | Finger-safe |
| Equipment Marking | According to DIN EN 81346-2: F |
| Reset Method | Manual-Automatic-Reset |
| Connection Type | Screw Terminal (main and auxiliary circuit) |
| Rated Control Supply Voltage | For use in hazardous locations |
| Tripping Class | Class 10 |
| Adjustable Current Range | 3.5 to 5.0 A for motor protection |
The Siemens 3RU2116-1FB1 is a thermal overload relay designed to provide efficient motor protection. This component is part of the SIRIUS product range and is suitable for size S00 contactors. It is engineered to safeguard motors in the event of overload or phase failure, with a class 10 response time, ensuring quick reaction to prevent damage.
With an adjustable pick-up value current range of 3.5 to 5.0 A, it allows for precise protection settings tailored to specific motor requirements. The relay operates with a rated control supply voltage of up to 690 V and is compatible with operating frequencies between 50 and 60 Hz, making it versatile for various industrial applications.
The 3RU2116-1FB1 features a robust design with a protection class of IP20, ensuring the safety of personnel and equipment by preventing direct contact with its internal components. It also boasts a shock resistance in compliance with IEC 60068-2-27 standards, highlighting its durability in challenging industrial environments.
This overload relay includes integrated auxiliary contacts, with one normally closed (NC) contact for contactor disconnection and one normally open (NO) contact for signalling a "Tripped" condition, facilitating straightforward monitoring and maintenance.
Designed for stand-alone installation, the 3RU2116-1FB1 comes with screw terminals for both the main and auxiliary circuits, ensuring a secure and reliable connection. Its manual-automatic reset feature provides flexibility in operation, allowing for both manual intervention and automatic reset after a fault condition has been cleared.
The Siemens 3RU2116-1FB1 is a reliable and essential component for motor control applications, offering precise protection and straightforward integration into electrical systems.
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Frequently Asked Questions
What is the size of the overload relay?
The overload relay is of size S00, which is suitable for compact installations and can be combined with contactors of the same size for motor protection applications.
Can this overload relay be used in hazardous locations?
Yes, the overload relay has general product approval for use in hazardous locations, ensuring it can operate safely in environments with potentially explosive atmospheres.
What is the operating voltage range for this thermal overload relay?
The operating voltage range for the thermal overload relay is up to 690 V at AC-3 rated value maximum, making it versatile for various industrial applications.
What are the ambient temperature limits for the operation of this relay?
The relay is designed to operate within an ambient temperature range of -40 to +70 degrees Celsius, ensuring reliability across a wide range of environmental conditions.
What type of terminals does this overload relay have for the main and auxiliary circuits?
This overload relay features screw terminals for both the main and auxiliary circuits, providing a secure and reliable connection for electrical installations.
What is the tripping class of this overload relay?
The tripping class of this overload relay is Class 10, which indicates a quick response to overloads, typically within 10 seconds, to protect motors from damage.
How many poles does the main current circuit of this relay have?
The main current circuit of this relay has 3 poles, which is standard for three-phase power systems commonly used in industrial settings.
What is the adjustable pick-up value current range for the overload release?
The adjustable pick-up value current range for the overload release is 3.5 to 5 A, allowing for precise protection settings based on the motor's current requirements.
Does this relay have a manual or automatic reset feature?
The relay comes with both manual and automatic reset features, providing flexibility in how the relay can be reset after a trip due to overload.
What is the insulation voltage rating for this relay?
The insulation voltage rating for this relay is 690 V with a degree of pollution 3, which indicates a high level of insulation suitable for industrial environments.
