3RB3123-4QB0
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$159.18
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$159.18
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Overview of Siemens 3RB3123-4QB0
Shop genuine Siemens 3RB3123-4QB0 overload relay online for your automation system. This electronic overload relay is designed for motor protection in industrial environments, offering reliable performance and advanced monitoring features. The Siemens 3RB3123-4QB0 is ideal for safeguarding motors from overloads and ground faults, ensuring smooth operation and minimizing downtime. With adjustable trip classes and a wide current range, this device is suitable for a variety of applications, from small machinery to large-scale production lines. Its compact size and robust construction make it a preferred choice for engineers and maintenance professionals seeking dependable protection for their equipment.
Key Features of Siemens 3RB3123-4QB0
- Electronic overload relay for motor protection
- Adjustable trip classes: 5E, 10E, 20E, and 30E
- Current range: 6–25 A for versatile applications
- Grounding protection with minimum response value of 0.75 x IMotor
- Shock resistance: 15g / 11 ms (IEC 60068-2-27)
- Contactor mounting for easy integration
- IP20 protection rating for terminals and front
- Operational current: 4 A at 120 V, 4 A at 125 V, 4 A at 230 V, 3 A at higher voltages
- UL/CSA ratings for 3-phase AC motors up to 25 A at 480 V and 600 V
- Short-circuit protection with gG and RK5 fuse links
Technical Specs of 3RB3123-4QB0
Explore Siemens 3RB3123-4QB0 specifications for detailed parameters before installation.
| Parameter | Value |
|---|---|
| Current Range | 6–25 A |
| Mounting Position | Any |
| Height | 87 mm |
| Width | 45 mm |
| Depth | 84 mm |
| Shock Resistance | 15g / 11 ms |
| IP Rating | IP20 |
| UL/CSA FLA | 25 A at 480 V, 25 A at 600 V |
Applications / Use Case
This Siemens 3RB3123-4QB0 is commonly used in industrial automation worldwide. It is ideal for protecting motors in factory control panels, production line systems, and packaging and conveyor operations. Its advanced features make it suitable for environments where reliable motor protection and monitoring are critical. Engineers and maintenance teams rely on this device to ensure the safety and efficiency of their automation systems.
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