Overload Relay – 3UA5040-1F

The 3UA5040-1F is a thermal overload relay designed for motor protection in coordination with Siemens contactors from the 3TF and 3TB series. It operates within a current range of 3.2 to 5 A, and conforms to Tripping Class 10A, ensuring reliable and timely disconnection in case of overload. The relay includes 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contact and is tailored for size 0 contactors.

Specifications

• Article Number: 3UA5040-1F

• Product Type: Thermal Overload Relay

• Current Range: 3.2–5 A

• Tripping Class: 10 A

• Contactor Compatibility: 3TF30/31, 3TF40/41, 3TB40/41

• Auxiliary Contacts: 1 NO + 1 NC

• Net Weight: 0.215 kg

• Packaging Dimensions (mm): 54.00 x 92.00 x 146.00

• Country of Origin: China