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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RU2136-4EB0 |
| Alternative Part Number | 3RU21364EB0 |
| Manufacturer | Siemens |
| Product Type | Overload Relay |
| Rated Insulation Voltage | 690 V |
| Surge Voltage Resistance | 6 kV |
| Size of Overload Relay | S2 |
| Size of Contactor | Can be combined with size S2 contactors |
| Power Loss | Typical total 11 W |
| Auxiliary Circuit Connection | Screw terminal |
| Main Circuit Connection | Screw terminal |
| Reset Method | Manual-Automatic-Reset |
| Tripping Class | Class 10 |
| Mounting | DIN Rail Mount |
| Dimensions | 55 x 130 x 91.2 mm |
| Contact Configuration | 1NO/1NC |
| Operating Temperature Range | -25°C to +60°C (without derating) |
| Frequency | Suitable for 50/60 Hz systems |
| Conductor Cross-section | Main contacts: 1x (1 ... 50 mm²) or 2x (1 ... 35 mm²), Auxiliary contacts: 2x (0.5 ... 2.5 mm²) |
| Tightening Torque | Main contacts: 3 ... 4.5 N·m, Auxiliary contacts: 0.8 ... 1.2 N·m |
| Thread of Connection Screw | Main contacts: M6, Auxiliary contacts: M3 |
The Siemens 3RU2136-4EB0 is a robust overload relay engineered to provide reliable motor protection. Designed to seamlessly integrate with size S2 contactors, this thermal overload relay is an essential component for safeguarding motors in a variety of industrial applications. With a setting range of 22 to 32 A, it is suitable for a broad spectrum of motor sizes, ensuring versatility and adaptability in different settings.
Constructed to withstand the rigours of industrial environments, the 3RU2136-4EB0 features an insulation voltage rated at 690 V and a surge voltage resistance of 6 kV, offering excellent protection against voltage spikes and surges. The relay is also designed with safety in mind, boasting a protection class of IP20 on the front and IP00 for the terminals, which helps to prevent direct contact with live components.
The overload relay is equipped with both manual and automatic reset functions, allowing for flexibility in operation and quick recovery from overload conditions. The integrated auxiliary switch provides a reliable indication of the relay's tripped status, which is crucial for maintaining operational efficiency and preventing damage to the motor.
With a power loss of only 11 W typical in hot operating state, the Siemens 3RU2136-4EB0 is an energy-efficient solution that minimises heat generation, contributing to a safer and more sustainable operation. Its shock resistance, in accordance with IEC 60068-2-27, ensures that it can endure the physical demands of industrial settings.
The 3RU2136-4EB0 is designed to operate within a wide range of ambient temperatures, from as low as -40°C to as high as +70°C, making it suitable for use in diverse climates and conditions. Additionally, it is capable of temperature compensation between -40°C and +60°C, ensuring reliable performance even in fluctuating temperatures.
Overall, the Siemens 3RU2136-4EB0 overload relay is a dependable and efficient choice for motor protection, offering a combination of performance, durability, and ease of use that makes it a valuable asset in any industrial motor control system.
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Frequently Asked Questions
What is the voltage rating for this overload relay?
The overload relay is rated for a voltage of up to 690 V.
Can this overload relay be mounted on a DIN rail?
Yes, this overload relay is designed for DIN rail mounting, making it suitable for standardised control cabinets.
What are the dimensions of this overload relay?
The dimensions of the overload relay are 55 x 130 x 91.2 mm.
What type of contacts does this overload relay have?
The overload relay is equipped with 1NO (Normally Open) and 1NC (Normally Closed) contacts.
Is the terminal for the auxiliary and control circuit removable?
No, the terminal for the auxiliary and control circuit is not removable.
What is the setting range for the current-dependent overload release?
The setting range for the current-dependent overload release is between 22 and 32 A.
What is the insulation voltage with a degree of pollution 3?
The insulation voltage with a degree of pollution 3 is rated at 690 V.
What is the product's power loss?
The typical total power loss for this overload relay is 11 W.
What is the operating frequency range for this overload relay?
The operating frequency range is rated at 50 to 60 Hz.
What is the ambient temperature range for operation of this overload relay?
The overload relay can operate within an ambient temperature range of -40 to +70°C.
