Description
Siemens ESP200 Electronic Overload Relay — 3UB85236EW2
The Siemens 3UB85236EW2 is a 3-phase electronic overload relay from the ESP200 series, engineered to deliver precise, dependable motor protection across a wide current adjustment range of 10 to 40 amps. Designed for use in demanding HVAC, commercial, and industrial motor control applications, this relay guards against overload, phase loss, and phase imbalance conditions that can damage motors and reduce system uptime.
Key Features
- Current adjustment range: 10–40A
- 3-phase electronic overload protection
- ESP200 series — solid-state technology for accurate trip response
- Protection against overload, phase loss, and phase imbalance
- Suitable for HVAC, commercial, and industrial motor control panels
- Designed for use with Siemens motor starters and contactors
- Compact design for panel space efficiency
- Manual and automatic reset capability
Application
The Siemens 3UB85236EW2 ESP200 overload relay is ideal for protecting three-phase motors in air handling units, chillers, cooling towers, pumps, compressors, and other HVAC and mechanical systems. Its wide current range makes it versatile for a variety of motor sizes within a single device, reducing the need for multiple relay variants on the job.
Why Choose Siemens ESP200
The ESP200 series uses solid-state electronic sensing to provide more accurate and repeatable trip characteristics compared to traditional bimetallic relays. This means better motor protection, fewer nuisance trips, and longer motor life — critical advantages in continuous-duty HVAC environments.
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