Siemens 3Ua58 40-2T Overload Relay 40-57A 1000V

Siemens 3Ua58 40-2T Overload Relay 40-57A 1000V

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Brand : Ram Automations
SKU: RAMA100011006
Availability: In Stock

The Siemens 3UA58 40-2T Overload Relay 40–57A 1000V is a precision-engineered protection device designed to safeguard motors and connected equipment against overload conditions in industrial...

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The Siemens 3UA58 40-2T Overload Relay 40–57A 1000V is a precision-engineered protection device designed to safeguard motors and connected equipment against overload conditions in industrial automation systems. Built for durability and accurate tripping performance, this relay is ideal for use in control panels, motor starters, and heavy-duty machinery. Compliant with leading global standards, the 3UA58 series ensures reliable protection, automatic reset capability, and seamless integration into Siemens motor control solutions.

Key Features

  • Reliable thermal overload protection for motors rated 40–57A

  • Automatic reset function with 2-wire control allows motor restart after overload clearance

  • Ambient temperature compensation for consistent tripping performance in varying conditions

  • Built to IEC 60947-4-1, VDE 0660, and GB 14048.4 standards for worldwide compliance

  • Rugged Siemens construction for long service life and dependable motor protection

Specifications

  • Model: 3UA58 40-2T Overload Relay

  • Current Range: 40–57A

  • Rated Insulation Voltage (Ui): 1000V

  • Coordination: Type 1 (160A gG / 160A T BS88), Type 2 (100A gG / 100A T BS88)

  • AC-15 Ratings: Ue 400V / Ui 690V, 6A gG, 10A DZ F-link

  • Tripping Current: 125% of dial setting

  • Reset Mode: Automatic, with 2-wire control (motor may restart automatically)

  • Auxiliary Contacts: 1NO + 1NC (B600/R300, same polarity above 150V)

  • Trip Class: 10A

  • Torque: 22–26.5 lb·in (2.5–3 Nm)

  • Ambient Compensation: Yes (0631G)

  • Standards Compliance: IEC 60947-4-1, VDE 0660, GB 14048.4

  • Weight: 570 g

  • Origin: Siemens quality engineering

The Siemens 3UA58 40-2T Overload Relay 40–57A offers precise motor protection, automatic reset capability, and adherence to strict international standards. Trusted by engineers worldwide, this relay provides dependable performance, reducing downtime and safeguarding valuable equipment in automation panels, motor starters, and heavy industrial applications.

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.