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3RU1126-1KB0 Siemens
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Availability
In stock
Manufacturer
Siemens
HS code
853649
Ship to
United States
Express delivery to the United States
Full 12-month warranty
Secure payment process
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The Siemens 3RU1126-1KB0 is a robust overload relay designed to offer efficient motor protection. This component is essential for safeguarding motors in industrial settings, ensuring they operate within safe current limits to prevent damage due to overloads. With a current adjustment range of 9 to 12.5 A, it is versatile enough to cater to a variety of motor sizes within its specification. Crafted for direct mounting, this overload relay is engineered to fit seamlessly with size S0 contactors, providing a compact and reliable solution for motor control circuits. The unit features a manual and automatic reset function, which adds to its operational flexibility, allowing for quick restoration of motor function after a trip event. The 3RU1126-1KB0 is designed with user safety in mind, boasting finger-safe terminals and an IP20 protection class on the front, ensuring protection against solid objects and a degree of touch safety. Its insulation voltage is rated at 690 V, with a pollution degree of 3, and it can withstand impulse voltages up to 6 kV, highlighting its robustness in challenging industrial environments. This overload relay is also equipped with one normally closed (NC) and one normally open (NO) auxiliary contact, which can be used for signalling and control purposes, further enhancing its utility in complex motor control schemes. With a compact footprint of 45 x 96 x 97 mm, the Siemens 3RU1126-1KB0 does not demand excessive space, making it suitable for installations where space is at a premium. Its screw-type terminals provide a secure and reliable connection for both the main and auxiliary circuits, ensuring consistent performance and ease of maintenance. Overall, the Siemens 3RU1126-1KB0 overload relay is a dependable choice for industrial applications requiring precise motor protection and control. Its combination of safety features, flexible mounting options, and compact design make it a valuable addition to any motor control system.
Typical applications
- Motor overload protection in industrial automation systems
- Preventing excessive current in HVAC systems
- Safeguarding pumps from overcurrent conditions
- Protecting conveyor systems from electrical overload
- Use in control panels for manufacturing equipment
- Integration into motor control centres for motor management
- Overload monitoring in packaging machinery
- Ensuring safe operation of compressors
- Electrical protection for material handling equipment
- Overcurrent safety for agricultural machinery motors
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