The 3UG3522-1AC48-0AA1: The 0.1–10 A AC/DC adjustable range covers motor current monitoring for fractional-horsepower drives and small pump loads. The single CO contact (1 form C) is enough to signal a trip to a PLC input or drop out a contactor coil. DC 24 V control is standard for industrial control panels. The 22.5 mm width fits a standard DIN-rail enclosure slot, leaving room for adjacent terminals or a miniature circuit breaker.
Siemens 3UG3522-1AC48-0AA1 Monitoring Relay, Discontinued
MPN3UG3522-1AC48-0AA1
Siemens monitoring relay, 22.5 mm, over/undercurrent 0.1–10 A AC/DC, 1 CO contact, DC 24 V, screw connection, discontinued.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Weight | 1.36 kgs |
Product details
Frequently asked questions
What replaces the 3UG3522-1AC48-0AA1?
The official replacement type is 3UG4621-1AW30. The manufacturer also notes that 3UG4622-1AA30 can be used if wired correctly, so verify the pinout and function before substituting.
MPN
3UG3522-1AC48-0AA1