The Siemens 3UA62305D is a thermal overload relay from the Siemens 3UA / 3UC series, designed to provide reliable protection against sustained overload conditions in industrial motor applications. With a current setting range of 200–320 A, it is suitable for high-current motor control and protection requirements.
The relay helps protect motors from prolonged overcurrent conditions that can cause excessive heating and reduce motor service life. It is suitable for use in industrial motor starters, control panels, motor control centers, and various motor-driven applications.
Siemens 3UA62305D thermal overload relay
Series: 3UA / 3UC
Current setting range: 200–320 A
Designed for motor overload protection
Suitable for high-current motor applications
Thermal overload protection
Suitable for motor starter systems
Designed for industrial control panels
Suitable for OEMs, panel builders, and system integrators
The Siemens 3UA62305D thermal overload relay is suitable for:
Industrial motor protection
Motor control panels
Motor starters
Motor control centers
Pumps and fans
Compressors
Conveyor systems
Industrial machinery
OEM control panels
Industrial automation applications
The Siemens thermal overload relay helps provide dependable protection against sustained motor overload conditions. Its 200–320 A adjustable current setting range allows the protection level to be matched to the requirements of the connected motor.
By helping prevent prolonged overload operation, the relay supports safer motor operation, reduces the possibility of overheating, and contributes to reliable performance of industrial motor-driven equipment.
SB Smart supplies genuine Siemens thermal overload relays, 3UA/3UC motor protection products, SIRIUS components, contactors, motor starters, and industrial automation products for panel builders, OEMs, electrical contractors, system integrators, and industrial customers.
The Siemens 3UA62305D can be sourced through SB Smart with product assistance, availability information, and quotation support.
What is Siemens 3UA62305D?
The Siemens 3UA62305D is a thermal overload relay from the Siemens 3UA / 3UC series, designed for motor overload protection.
What is the current setting range?
The specified current setting range is 200–320 A.
What does a thermal overload relay protect against?
A thermal overload relay helps protect motors against sustained overload conditions that can result in excessive heating and potential motor damage.
Where can Siemens 3UA62305D be used?
It can be used in industrial motor control panels, motor starters, MCC systems, pumps, fans, compressors, conveyors, and industrial machinery.
Is the current setting adjustable?
Yes. The specified current setting range is 200–320 A, allowing the overload protection to be adjusted according to the motor application.
Where can I buy Siemens 3UA62305D?
You can contact SB Smart for pricing, availability, and quotation assistance for the Siemens 3UA62305D thermal overload relay.
| Parameter | Specification |
|---|---|
| Product Series | Siemens 3UA Series |
| Model Number | 3UA62305D |
| Product Type | Thermal Overload Relay (CT Operated) |
| Variant | D |
| Protection Type | Overload + Phase Failure Protection |
| Operating Principle | Bimetal Thermal + CT Sensing |
| Mounting Type | Panel / MCC Installation |
| Current Range | 200 – 320 A (typical for 3UA6230 D variant class) |
| Application | Heavy Industrial Motor Protection |
| Brand | Siemens |
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