Description
Siemens 3RB3026-1SB0 Solid-State Overload Relay Overview
The Siemens 3RB3026-1SB0 is a solid-state electronic overload relay engineered for dependable motor protection in commercial and industrial HVAC and building automation applications. Designed for use with Siemens 3RT contactors, this relay delivers precise, adjustable overload protection across a 3 to 12 amp current setting range, making it well suited for a broad variety of motor loads.
Key Features
- Current setting range: 3–12 A
- Manual and automatic reset modes for flexible system integration
- Solid-state electronic trip mechanism for accurate and repeatable protection
- Compatible with Siemens 3RT series contactors for direct mounting
- Three-phase motor protection against overload and phase failure
- Compact design suitable for panel and enclosure installation
- Trip class selectable for matching motor starting characteristics
- LED trip indicator for fast fault identification
Application
The 3RB3026-1SB0 is ideal for protecting three-phase motors in HVAC systems, pumps, fans, compressors, and other motor-driven equipment. Its solid-state design eliminates the wear associated with bimetallic overloads, providing longer service life and more consistent protection over time.
Product Specifications
- Brand: Siemens
- SKU / Part Number: 3RB3026-1SB0
- Current Range: 3–12 A
- Reset Mode: Manual / Automatic
- Type: Solid-State Electronic Overload Relay
- Compatible Contactor Series: Siemens 3RT
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