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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RU2116-1FB0 |
| Alternative Part Number | 3RU21161FB0 |
| Manufacturer | Siemens |
| Category | General Automation |
| Description | Overload relay for motor protection, with adjustable current settings for precise operation. |
| Current Setting Range | 3.5 to 5.0 A |
| Terminal Type | Screw Terminal |
| Number of Poles | 3 Poles |
| Voltage Rating | 690 V ac |
| Dimensions | 70 x 45 x 76 mm |
| Auxiliary Contacts | 1NO/1NC |
| Operating Temperature Range | -40°C to +70°C during operation |
| Storage Temperature Range | -55°C to +80°C |
| Frequency Rating | 50 to 60 Hz |
| Operating Power at AC-3 | 1.5 kW at 400 V, 2.2 kW at 500 V, 4 kW at 690 V |
| Protection Class | IP20 |
| Commodity Code | 853649 |
| Weight | 0.130 kg |
The Siemens 3RU2116-1FB0 is a meticulously engineered overload relay designed to provide reliable motor protection. This compact device is an essential component for industrial automation systems, ensuring motors operate within safe current limits and safeguarding them against potential overload conditions.
Crafted for versatility, the relay features a 1NO/1NC contact configuration and is suitable for use with three-phase power supplies up to 690 V ac. Its adjustable pick-up value current range of 3.5 to 5 A allows for precise protection settings tailored to specific motor requirements. The overload relay's thermal tripping mechanism ensures a swift response to overcurrent situations, helping to prevent motor damage and downtime.
The unit's dimensions of 70 x 45 x 76 mm make it an ideal choice for space-constrained environments, while the screw terminal connections offer a secure and reliable means of installation. The robust design of the Siemens 3RU2116-1FB0, combined with its straightforward setup, makes it a preferred choice for professionals seeking a dependable motor protection solution.
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Frequently Asked Questions
What is the function of this overload relay?
The overload relay is designed to protect motors from overcurrent by tripping the circuit when an overload is detected, preventing potential damage to the motor.
Can this overload relay be used with any motor size?
This overload relay is suitable for motor protection for motors within the adjustable pick-up value current range of 3.5 to 5 A. It should be matched to the motor's current specifications for proper protection.
What are the dimensions of this overload relay?
The dimensions of the overload relay are 70 x 45 x 76 mm, making it compact and suitable for use in space-constrained environments.
How many poles does this overload relay have?
The overload relay has 3 poles for the main current circuit.
What type of terminals does this overload relay have?
This overload relay is equipped with screw terminals for both the main and auxiliary circuits, facilitating secure and reliable connections.
What is the operating voltage range for this overload relay?
The operating voltage range for this overload relay is up to 690 V AC, making it versatile for various industrial applications.
Is there a manual reset function on this overload relay?
Yes, this overload relay features a manual reset function, allowing for easy restoration of operation after a trip event.
What is the temperature range in which this overload relay can operate?
The overload relay can operate within an ambient temperature range of -40 to +70°C, ensuring reliable performance in a wide range of environmental conditions.
Does this overload relay have auxiliary contacts?
Yes, the overload relay includes integrated auxiliary contacts, with 1 normally closed (NC) contact for contactor disconnection and 1 normally open (NO) contact for signalling 'Tripped' status.
What is the protection class of this overload relay?
The protection class for the front and terminals of this overload relay is IP20, providing a degree of protection against solid objects.
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