Description
Siemens 3RB3036-1UB0 Solid-State Overload Relay Overview
The Siemens 3RB3036-1UB0 is a solid-state electronic overload relay designed for dependable motor protection in commercial and industrial HVAC applications. Built to Size S2 frame standards, this relay features a wide current adjustment range of 12.5 to 50 amps and screw-type terminal connections for secure, vibration-resistant wiring. Solid-state technology delivers precise, repeatable trip characteristics without the wear associated with bimetallic designs, making it an ideal choice for demanding motor control applications.
Key Features
- Solid-state (electronic) overload protection for accurate, consistent performance
- Size S2 frame — compatible with Siemens S2-rated contactors and motor starters
- Wide current setting range: 12.5 to 50 amps
- Screw terminal connections for secure, reliable field wiring
- Eliminates mechanical wear associated with bimetallic overload relays
- Suitable for three-phase motor protection in HVAC and industrial control panels
- Siemens 3RB3 series — engineered for integration with SIRIUS modular control components
Application
The 3RB3036-1UB0 is well suited for protecting compressor motors, fan motors, pump motors, and other three-phase loads commonly found in commercial HVAC systems. Its broad current range makes it versatile across a variety of motor sizes within a single device, reducing the need for multiple SKUs in the field.
Product Specifications
- Brand: Siemens
- Model / SKU: 3RB3036-1UB0
- Type: Solid-State Electronic Overload Relay
- Frame Size: S2
- Current Range: 12.5 – 50 A
- Terminal Type: Screw
- Series: SIRIUS 3RB3
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