Overview of Siemens 3RU2126-1JB0
Buy genuine Siemens 3RU2126-1JB0 online, a reliable SIRIUS thermal overload relay designed to protect three-phase motors against overload, phase asymmetry, and phase failure. This industrial-grade component is part of Siemens’ trusted line of motor protection devices, combining precision and durability. Its adjustable current range from 7 to 10 A and IEC rated Class 10 designation ensure responsive and effective motor protection in various industrial automation settings. Compact yet robust, the 3RU2126-1JB0 fits seamlessly into factory control panels, providing efficient and consistent motor guarding at rated voltages up to 690 V AC.
Key Features of Siemens 3RU2126-1JB0
- Adjustable overload current range: 7 to 10 amps
- Class 10 trip characteristic for reliable motor protection
- Compatible with size S0 contactors (e.g., 3RT202 series)
- Integrated auxiliary switch contacts: 1 normally closed (NC) and 1 normally open (NO)
- Rated operating voltage up to 690 V AC at 50-60 Hz frequency
- Compact dimensions: approximately 85 mm height, 45 mm width, 85 mm depth
- Screw terminal connections for secure and easy wiring
- Operating temperature range from -40°C to +70°C for versatile environments
- IP20 protection rating for safe use in industrial control panels
Technical Specs of 3RU2126-1JB0
Explore Siemens 3RU2126-1JB0 specifications covering voltage, current, and auxiliary contacts to ensure system compatibility before installation.
| Specification |
Details |
| Current Setting Range |
7 – 10 A |
| Rated Operational Voltage |
690 V AC |
| Frequency |
50 – 60 Hz |
| Auxiliary Contacts |
1 NC + 1 NO |
| Dimensions (H x W x D) |
85 x 45 x 85 mm |
| Protection Class |
IP20 |
| Operating Temperature |
-40 °C to +70 °C |
Applications / Use Case
This Siemens 3RU2126-1JB0 is commonly used in industrial automation and factory control panels worldwide. It provides essential overload protection for motor-driven applications such as conveyors, packaging machinery, and machine automation systems. Its robust construction ensures long service life under harsh operating conditions, making it ideal for production line systems requiring reliable motor protection to avoid downtime and costly failures.
Price & Availability
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