Description
Siemens 3UB81334HW2 Overload Relay Overview
The Siemens 3UB81334HW2 is a robust 3-phase overload relay engineered to provide dependable motor protection across a wide current range of 50 to 200 amps. Designed for demanding commercial and industrial HVAC applications, this relay safeguards motors and connected equipment from the damaging effects of overloads, phase imbalance, and sustained overcurrent conditions.
Key Features
- Wide current adjustment range: 50–200A for versatile motor protection
- 3-phase design for balanced and unbalanced load monitoring
- Selectable Manual or Automatic reset modes for flexible system integration
- Siemens quality construction for long service life in commercial and industrial environments
- Suitable for use with motor starters and contactors in HVAC, pump, fan, and compressor applications
Application
The 3UB81334HW2 is ideal for protecting large 3-phase motors commonly found in commercial HVAC systems, including chillers, cooling towers, air handling units, and large pump and fan assemblies. Its wide current range makes it a versatile solution for a broad spectrum of motor protection requirements.
Product Specifications
- Brand: Siemens
- SKU: 3UB81334HW2
- Current Range: 50–200A
- Phase: 3-Phase
- Reset Type: Manual / Auto
- Product Type: Overload Relay
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