Description
The Siemens 3UB81334GW2 is a robust 3-phase motor overload relay engineered to deliver dependable overcurrent protection across a wide 25–100 amp operating range. Designed for demanding industrial and commercial HVAC applications, this unit supports both manual and automatic reset modes, giving technicians the flexibility to match the protection response to the specific requirements of each installation.
Key Features
- Wide current adjustment range: 25–100A for versatile motor protection
- 3-phase overload protection guards against phase loss, phase imbalance, and sustained overcurrent
- Selectable manual or automatic reset operation
- Reliable Siemens construction for long service life in commercial and industrial environments
- Designed for use with compatible Siemens motor starters and contactors
Application
The 3UB81334GW2 is well suited for protecting 3-phase motors found in HVAC equipment such as large air handlers, chiller compressors, cooling tower fans, and pump assemblies. Its broad amperage range makes it adaptable to a wide variety of motor loads without the need for multiple relay sizes.
Why Choose Siemens Overload Relays
Siemens overload relays are recognized throughout the industry for precision trip characteristics, ease of integration into existing motor control centers, and long-term reliability. The 3UB81334GW2 upholds that tradition, offering straightforward installation and dependable protection that helps minimize costly motor failures and unplanned downtime.
Specifications
- SKU: 3UB81334GW2
- Brand: Siemens
- Current Range: 25–100A
- Phase: 3-Phase
- Reset Mode: Manual / Automatic (selectable)
Reviews
There are no reviews yet.