Mixed lot of Siemens 3UA series thermal overload relays in various current ranges and versions, removed from service and sold for spare parts or reuse. These units show normal signs of use but appear complete, with labels and terminals visible on most pieces; see photos for exact contents.
Brand: Siemens
Main models seen: 3UA52 00-2C (16–25 A), 3UA7020-1C (1.6–2.5 A), 3UA4900-0AR (approx. 6.3–10 A) and other 3UA variants
Type: Thermal overload relay for motor protection
Function: Provides overload protection for AC motors with adjustable current setting and manual/automatic reset
Typical ratings: Up to 690 V AC depending on model; many units marked 600 V AC, UL/CSA listed
Contacts: Auxiliary outputs usually 1 NO + 1 NC (see individual labels for confirmation)
Mounting: For direct mounting to matching Siemens contactors/starters or separate mounting (varies by model)
Made in: Germany (on at least some units)
Standards/approvals: IEC 60947, UL, CSA and related markings visible on labels
Specs: Please refer to the photos of each nameplate for individual current ranges, trip class and control circuit details
Condition: Used, pulled from working panels; untested by us after removal
Cosmetic state: Scratches, dust and label wear consistent with industrial use and storage
Some terminals may have cut wires remaining and minor oxidation on screws
Mix of older and newer date codes; some relays may show yellowing or discoloration of plastic
Sold as a mixed, untested lot for parts, repair or refurbishing only
No original packaging, instructions or accessories included
Quantity and exact mix of part numbers is as shown in the photos; buyer will receive everything pictured in the bin.
Ideal for workshops or maintenance teams already using Siemens 3UA overload relays who need low-cost spares.
Because of the mixed models and used nature, these are sold as-is with no guarantee of calibration or suitability; testing is recommended before critical use.
