Siemens 3UA58 40-2T Overload Relay 40-57A

Siemens | Overload Relay | 3UA58 40-2T | 3UA58402T

Type: Thermal Overload Relay

Series: 3UA5 (classic Siemens overload relays)

Current Adjustment Range: 40 – 57 A

Reset Mode: Manual / Automatic selectable

Auxiliary Contacts: 1 NO + 1 NC (for tripping signal/control)

Mounting: Direct mount on Siemens 3TF / 3RT contactors

Application: Protects 3-phase induction motors against overload, phase loss, and prolonged stalling

Used in motor starter assemblies (DOL, Star-Delta).

1 Pc Available

Weight: 0.460 kgs Approx.

ref no: 133

The Siemens 3UA58 40-2T  is a high-quality thermal Overload Relay designed to protect motors and electrical systems from damage due to overcurrent or overheating. Engineered for reliability and precision, this relay ensures timely tripping, safeguarding equipment and minimizing operational downtime. It is ideal for use in motor starters, industrial control panels, and automation systems where consistent performance and safety are critical. Professionals who need to buy Siemens 3UA58 40-2T  Overload Relay often select this model for its robust construction, long service life, and compatibility with Siemens motor control solutions. The relay provides accurate overload protection, helping maintain smooth operation and extend the lifespan of connected motors.

For maintenance replacements or system upgrades, organizations can order siemens 3UA58 40-2T  Overload Relay to ensure reliable motor protection and compliance with industrial safety standards. Its easy installation makes it suitable for both new setups and retrofit applications. With the availability of the Siemens 3UA58 40-2T  Overload Relay online, sourcing has become faster and more convenient. Businesses that prefer to buy Siemens 3UA58 40-2T  Overload Relay online benefit from streamlined procurement, assured authenticity, and a dependable solution trusted in industrial automation and motor control applications.

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