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3RU2136-4GB0
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RU2136-4GB0 |
| Alternative Part Number | 3RU21364GB0 |
| Manufacturer | Siemens |
| Type | Overload Relay |
| Current Range | 36...45 A |
| Thermal Setting | For motor protection |
| Size | S2 |
| Class | Class 10 |
| Mounting Type | Contactor mounting |
| Main Circuit Connection | Screw terminals |
| Auxiliary Circuit | Provided |
| Tightening Torque (Main Contacts) | 3 ... 4.5 N·m |
| Tightening Torque (Auxiliary Contacts) | 0.8 ... 1.2 N·m |
| Screwdriver Shaft Diameter | 5 ... 6 mm |
| Screwdriver Tip Size | Pozidriv PZ 2 |
| Connection Screw Thread (Main Contacts) | M6 |
| Connection Screw Thread (Auxiliary/Control Contacts) | M3 |
| Protection Class | IP20 on the front according to IEC 60529 |
| Touch Protection | Finger-safe, for vertical contact from the front |
| Display | Slide switch for switching status |
| Approvals | General Product Approval for use in hazardous locations |
| Commodity Code | 853649 |
The Siemens 3RU2136-4GB0 is a thermal overload relay designed to provide efficient motor protection. This component is essential for safeguarding motors in industrial applications from potential damage due to overload conditions. With an adjustable pickup value current range of 36 to 45 A, it offers flexibility to match specific motor requirements and ensures precise protection.
Crafted for size S2 motor starters, the 3RU2136-4GB0 features a Class 10 tripping characteristic, which is suitable for most standard motor applications. The relay is engineered to be mounted directly onto contactors, facilitating a compact and streamlined assembly. The main circuit connection is made through reliable screw terminals, ensuring a secure and stable electrical connection.
The auxiliary circuit of the relay includes an integrated auxiliary switch with one normally closed (NC) contact for contactor disconnection and one normally open (NO) contact for signalling the "Tripped" status, providing clear and immediate indication of relay activation.
This overload relay is designed to operate within a voltage rating of up to 690V and is suitable for use in networks with a grounded star point between the main and auxiliary circuit. It also boasts a robust construction with a front protection class of IP20, offering a degree of protection against touch and foreign objects.
The Siemens 3RU2136-4GB0 is a reliable and essential component for motor control and protection in a variety of industrial settings, ensuring that your motor-driven processes run smoothly and without interruption due to overload-related downtime.
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Frequently Asked Questions
What is the purpose of this overload relay?
The overload relay is designed for motor protection, ensuring that the motor it is connected to does not operate under excessive load which could lead to overheating and potential damage.
Can this overload relay be mounted directly onto a contactor?
Yes, it is designed for contactor mounting, allowing for a compact and efficient setup within motor control systems.
What is the current adjustment range of this overload relay?
The current adjustment range for this overload relay is between 36 to 45 A, providing flexibility to match the protection needs of various motor sizes.
What type of connections does this overload relay support?
This overload relay supports screw terminal connections for the main circuit, ensuring a secure and reliable connection for high-power applications.
Is there a manual reset function on this overload relay?
Yes, the overload relay comes with a manual reset function, allowing operators to easily reset the device after an overload trip.
What class of overload protection does this relay provide?
It provides Class 10 overload protection, which is standard for providing quick reaction to prevent motor damage in the event of an overload.
Does this overload relay have auxiliary contacts?
Yes, it includes integrated auxiliary contacts for signalling purposes, typically used to indicate the status of the overload relay.
What is the operating voltage range for this overload relay?
The rated operating voltage for this overload relay is up to 690 V, suitable for a wide range of industrial applications.
How does temperature affect the operation of this overload relay?
The overload relay is equipped with temperature compensation from -40 to +60°C, ensuring reliable operation under varying environmental conditions.
What certifications does this overload relay have?
This overload relay is certified for use in hazardous locations, complying with ATEX directive 2014/34/EU, which is essential for ensuring safety in potentially explosive atmospheres.
