The Siemens 3UW5102-1K is a reliable thermal overload relay designed for 3-phase motor protection applications. With an adjustable current range of 8–12.5A, this Siemens overload relay is suitable for protecting motors against sustained overload conditions and helping prevent damage caused by excessive operating current.
The Siemens 3UW5102-1K overload relay is a practical choice for motor starters, industrial control panels, pumps, machines, and other applications where dependable thermal motor protection is required. Siemens documentation lists this model with an 8–12.5A relay range for 415V, three-phase, 50Hz motor starter applications.
Siemens 3UW5102-1K overload relay
Adjustable 8–12.5A overload protection range
3-phase thermal overload relay for motor protection
Bi-metallic thermal protection technology
Designed for 50Hz motor applications
Suitable for industrial motor starters and control panels
Helps protect motors against sustained overload conditions
Suitable for integration with compatible Siemens contactors and motor starters
The Siemens 3UW5102-1K thermal overload relay is suitable for:
3-phase motor protection
Industrial motor control panels
Motor starters
Pump and machinery applications
Manufacturing equipment
Industrial automation systems
Electrical control cabinets
OEM motor control panels
Low-voltage motor protection systems
The Siemens thermal overload relay provides a practical way to protect motors against prolonged overload conditions. Its adjustable current range allows the relay to be selected according to the motor's operating requirements.
For panel builders and industrial users, the 8–12.5A Siemens overload relay offers a dependable solution for motor protection while integrating easily into compatible motor starter arrangements.
SB Smart supplies genuine Siemens overload relays, SIRIUS motor control products, contactors, motor protection components, and industrial automation products for panel builders, OEMs, electrical contractors, and system integrators.
The Siemens 3UW5102-1K can be sourced through SB Smart with product assistance, availability information, and quotation support for your motor protection requirements.
What is Siemens 3UW5102-1K?
The Siemens 3UW5102-1K is a 3-phase thermal overload relay designed for motor protection applications.
What is the current range of Siemens 3UW5102-1K?
The Siemens 3UW5102-1K has an adjustable overload protection range of 8–12.5A.
What is a thermal overload relay used for?
A thermal overload relay protects a motor against sustained overload conditions that can cause excessive heating and potential motor damage.
Where can Siemens 3UW5102-1K be used?
It can be used in industrial motor starters, control panels, pumps, machinery, manufacturing equipment, and compatible Siemens motor control applications.
Is Siemens 3UW5102-1K suitable for 3-phase motors?
Yes. Siemens documentation lists the 3UW5102-1K in three-phase, 50Hz motor starter applications.
Where can I buy Siemens 3UW5102-1K?
You can contact SB Smart for pricing, availability, and quotation assistance for the Siemens 3UW5102-1K overload relay.
| Parameter | Specification |
|---|---|
| Product Series | Siemens SIRIUS 3UW |
| Model Number | 3UW5102-1K |
| Product Type | Thermistor Motor Protection Relay |
| Protection Method | PTC temperature sensing |
| Application | Motor winding temperature monitoring |
| Sensor Type | PTC thermistors (DIN 44081 / 44082 compatible) |
| Function | Overtemperature protection + alarm/trip output |
| Mounting Type | DIN rail (control panel installation) |
| Use Case | Motors, compressors, pumps, HVAC, drives |
| Brand | Siemens |
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