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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RU2126-1JB0 |
| Alternative Part Number | 3RU21261JB0 |
| Manufacturer | Siemens |
| Series | 3RU2126 |
| Type | Overload Relay |
| Operating Voltage | Up to 690 V AC |
| Mounting | Screw Mount |
| Dimensions | 45 x 107 x 84.8 mm |
| Number of Poles | 3 |
| Operating Current | Rated at 10 A (at AC-3, 400 V) |
| Service Power | 4 kW at 400 V (AC-3) |
| Trip Class | CLASS 10 |
| Adjustable Current Range | 7 to 10 A |
| Ambient Operating Temperature | -40 to +70 °C |
| Insulation Voltage | Rated at 690 V with degree of pollution 3 |
| Altitude of Installation Site | Up to 2,000 metres above sea level |
| Relative Humidity | Up to 90% during operation |
| Protection Class | IP20 |
| Auxiliary Circuit | Integrated with 1 NC contact for contactor disconnection and 1 NO contact for tripped message |
| Terminal Type | Screw-type terminals for main and auxiliary/control circuits |
| Shock Resistance | 8g / 10 ms |
| Impulse Voltage Resistance | Rated at 6 kV |
| Mean Time to Failure (MTTF) | 2,280 years with high demand rate |
| Safety | Finger-safe design |
| Commodity Code | 85364900 |
The Siemens 3RU2126 Series Overload Relay is a robust and reliable component designed for motor protection in a variety of industrial applications. This overload relay is engineered to safeguard motors by monitoring and reacting to current overload conditions, ensuring the longevity and efficiency of your machinery.
With a rated operating voltage of up to 690 V and an adjustable pickup value current range of 7 to 10 A, this overload relay is suitable for a wide range of motor sizes. Its compact dimensions of 45 x 107 x 84.8 mm allow for easy integration into existing setups without the need for extensive modifications.
The overload relay features a screw mount design for secure installation and comes with screw-type terminals for both the main and auxiliary circuits, facilitating straightforward wiring and maintenance. The device is designed for direct mounting onto a contactor, streamlining the assembly process and saving valuable space within control cabinets.
The Siemens 3RU2126 Series Overload Relay is built to withstand challenging industrial environments, with an operating temperature range of -40 to +70°C and a high level of shock resistance. It also boasts a Class 10 trip class, ensuring quick and accurate response to overload conditions.
This overload relay is not only functional but also designed with safety in mind, featuring finger-safe terminals and an IP20 protection rating on the front and terminal areas to protect against accidental contact.
Ideal for a range of industries, the Siemens 3RU2126 Series Overload Relay is a dependable choice for those seeking to enhance the protection and performance of their motor-driven equipment.
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Frequently Asked Questions
What is the voltage rating for this overload relay?
The overload relay is rated for operating voltages up to 690 V.
Can this overload relay be mounted directly to a contactor?
Yes, the overload relay is designed for direct mounting to a compatible contactor.
What is the trip class of this overload relay?
This overload relay has a trip class of 10.
What are the dimensions of this overload relay?
The dimensions of the overload relay are 45 x 107 x 84.8 mm.
What is the ambient temperature range for operating this overload relay?
The overload relay can operate within an ambient temperature range of -40 to +70°C.
Is there a manual reset function on this overload relay?
Yes, the overload relay comes with a manual reset function.
What type of protection does this overload relay offer?
The overload relay offers thermal overload protection for motors.
What is the adjustable current range for the overload release?
The current-dependent overload release can be adjusted from 7 to 10 A.
What is the insulation voltage of this overload relay?
The insulation voltage, with a degree of pollution 3, is rated at 690 V.
What type of terminals does this overload relay have?
The overload relay is equipped with screw-type terminals for both the main and auxiliary circuits.
