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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RU1116-1JC1 |
| Alternative Part Number | 3RU11161JC1 |
| Manufacturer | Siemens |
| Product Type | Overload Relay |
| Size | S00 |
| Trip Class | CLASS 10 |
| Adjustable Response Current | 7...10 A |
| Number of Poles | 3 (for main current circuit) |
| Number of Auxiliary Contacts | 1 NC (Normally Closed), 1 NO (Normally Open) |
| Connection Type | Cage Clamp Connection |
| Operating Current | Rated at 35 A (for fuse link) |
| Service Power | 4 kW (at AC-3, 400 V) |
| Protection Class | IP20 |
| Ambient Temperature Operating Range | -20...+70 °C |
| Shock Resistance | 8g / 10 ms |
| Mounting Type | Stand-alone installation |
| Dimensions (H x W x D) | 92 mm x 45 mm x 78 mm |
| Conductor Cross-Section | Main contacts: 2x (0.25...2.5 mm²) solid or finely stranded, Auxiliary contacts: 2x (0.5...2.5 mm²) solid or finely stranded |
| Approvals | General Product Approval for use in hazardous locations |
The Siemens 3RU1116-1JC1 is a high-quality overload relay designed to provide efficient protection for motors in industrial applications. This component is part of the SIRIUS product family and is engineered to safeguard against excessive current that could lead to motor damage. With a trip class of 10, it ensures quick reaction to overload conditions, minimising potential harm to electrical circuits.
Crafted for convenience, the 3RU1116-1JC1 features a compact size S00 footprint, making it suitable for standalone installation in a variety of control cabinets and systems. The overload relay is equipped with Cage Clamp connections, which facilitate a secure and maintenance-free electrical connection for both the main and auxiliary circuits.
The device is capable of handling an adjustable response current range from 7 to 10 amps, allowing for precise calibration according to the motor's specifications. It also includes one normally closed (NC) and one normally open (NO) contact for auxiliary control, enhancing its versatility in circuit design.
Constructed to withstand challenging industrial environments, the 3RU1116-1JC1 operates reliably within a broad temperature range and at installation altitudes of up to 2000 metres above sea level. Its robust design is complemented by a protection class of IP20, ensuring the internal components are shielded from foreign objects.
This overload relay is an essential component for motor control applications where reliable performance and motor protection are paramount. Its thoughtful design and durable construction make it a valuable addition to any industrial motor control system.
Commonly Asked Questions
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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 breaking the circuit in the event of an overload or phase failure. It provides reliable protection for motors in industrial applications.
Can this overload relay be used with any motor size?
This overload relay is suitable for use with motors that fall within its specified adjustable response current range of 7 to 10 A. It is important to match the relay to the motor's current requirements for proper protection.
What type of connections does this overload relay support?
The relay features Cage Clamp terminals for both the main current circuit and the auxiliary and control current circuit, facilitating easy and secure connections.
What is the trip class of this overload relay?
The relay has a trip class of CLASS 10, which means it will trip or break the circuit within 10 seconds at 600% of the rated current.
What are the ambient operating conditions for this relay?
The relay can operate in ambient temperatures ranging from -20 to +70 degrees Celsius and at altitudes up to 2000 meters above sea level. It also has a relative humidity tolerance of up to 100% during operation.
What is the protection class of the overload relay?
The overload relay has a protection class of IP20, indicating that it is protected against solid objects larger than 12.5 mm but not against water.
How can I mount this overload relay?
The relay is designed for stand-alone installation and can be mounted with a vertical mounting surface that is rotatable up to +/-135° and tiltable +/- 45° to the front and back.
What is the size of this overload relay?
The relay is of size S00, which is a compact size suitable for integration into various control systems and motor starter combinations.
What certifications does this overload relay have?
The relay has general product approvals for use in hazardous locations, along with various other certifications and test certificates that ensure its reliability and safety in industrial environments.
What should be considered when selecting conductor cross-sections for this relay?
When selecting conductor cross-sections, it is important to consider the type of conductor (solid or finely stranded) and whether conductor end processing is used. The relay supports different cross-section ranges for main and auxiliary contacts.
Part conditions explained
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