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3RU1126-1EB0
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RU1126-1EB0 |
| Alternative Part Number | 3RU11261EB0 |
| Manufacturer | Siemens |
| Series | SIRIUS |
| Product Type | Overload Relay |
| Rated Operational Voltage | 690 V ac |
| Contact Configuration | 1NC/1NO |
| Connection Type | Screw |
| Dimensions | 45 x 96 x 97 mm |
| Mounting | Contactor mounting |
| Overload Release Current | 2.8...4 A |
| Size | S0 |
| Trip Class | Class 10 |
| Number of Poles | 3 |
| Ambient Operating Temperature | -20 … +70 °C |
| Insulation Voltage | Rated at 690 V with degree of pollution 3 |
| Surge Voltage Resistance | Rated value 6 kV |
| Protection Class | IP20 on the front |
| Installation Altitude | Up to 2,000 m above sea level |
| Relative Humidity | Up to 100% during operation |
| Resistance against Shock | 8g / 10 ms |
| Commodity Code | 853649 |
The Siemens 3RU1126-1EB0 is a high-quality overload relay from the SIRIUS series, designed to provide reliable motor protection. This component is engineered to safeguard motors by monitoring and breaking the circuit in the event of an overload, thus preventing potential damage to your machinery. With a rated operating voltage of up to 690 V ac and an adjustable response current range of 2.8 to 4 A, it is suitable for a variety of industrial applications.
The overload relay features a compact design with dimensions of 45 x 96 x 97 mm, making it an ideal choice for space-constrained environments. It is equipped with 1NC/1NO contacts and screw-type terminals for secure and straightforward connections. The device is classified as a Class 10 overload relay, which means it can trip in 10 seconds or less if the current exceeds 2.8 to 4 times the set value, providing swift and effective protection.
Constructed for direct mounting, the 3RU1126-1EB0 can be easily integrated with size S0 contactors, allowing for a streamlined setup. Its robust design ensures it can operate reliably in a wide range of ambient temperatures and is resistant to shocks, making it a durable choice for industrial settings.
Overall, the Siemens 3RU1126-1EB0 overload relay is a dependable and efficient solution for motor protection, ensuring your operations run smoothly and reducing the risk of costly downtime due to motor failures.
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Frequently Asked Questions
What is the purpose of this overload relay?
The overload relay is designed for motor protection. It helps to prevent damage to electric motors caused by overloads by breaking the circuit when a current overload is detected.
Can this overload relay be mounted directly onto a contactor?
Yes, it is intended for direct mounting onto a contactor, specifically designed to be compatible with size S0 contactors.
What are the dimensions of this overload relay?
The dimensions of the overload relay are 45 mm in width, 96 mm in depth, and 97 mm in height.
What is the trip class of this overload relay?
This overload relay has a trip class of 10, which means it will trip or break the circuit within a time range of 2 to 10 seconds under a current overload of 600% of its rated current.
What is the operating voltage range for this overload relay?
The operating voltage range for this overload relay at AC-3 rated value is up to a maximum of 690 V.
What type of terminals does this overload relay have?
It is equipped with screw-type terminals for both the main current circuit and the auxiliary and control current circuit.
What is the adjustable response current range for the overload release?
The adjustable response current range for the current-dependent overload release is from 2.8 to 4 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 is the protection class of the front side of this overload relay?
The front side of the overload relay has a protection class of IP20.
What are the ambient temperature limits for operating this overload relay?
The overload relay can operate within an ambient temperature range of -20 to +70 degrees Celsius.
