Description
The Siemens 3RB3026-1QB0 is a solid-state electronic overload relay engineered for dependable motor protection in commercial and industrial HVAC and building automation applications. Featuring a wide current setting range of 6A to 25A and a manual reset function, this relay provides precise, reliable protection against overload conditions, phase failure, and phase imbalance — safeguarding motors and downstream equipment from costly damage.
Key Features
- Current setting range: 6A to 25A
- Manual reset operation for controlled restart after trip
- Solid-state electronic trip mechanism for accurate, repeatable protection
- Protection against overload, phase failure, and phase imbalance
- Designed for use with Siemens 3RT contactor series
- Compact, DIN-rail compatible design for easy panel integration
- LED trip indicator for fast fault identification
- Class 10 trip characteristic for standard motor protection
Applications
- Commercial HVAC motor starters and control panels
- Pump and fan motor protection
- Building automation and industrial motor control centers
- Compressor and blower motor circuits
Why Choose the Siemens 3RB3026-1QB0
Siemens 3RB30 series solid-state overload relays deliver superior protection accuracy compared to traditional bimetallic relays. The electronic sensing technology responds consistently to true current conditions, minimizing nuisance trips while ensuring motors are protected under genuine overload conditions. The manual reset feature requires deliberate operator action before restarting, adding an important layer of safety in critical HVAC and mechanical systems.
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