3UA7021-OK - Overload Relays

Siemens Semiconductor Group (now Infineon)

Download the 3UA7021-OK datasheet PDF. This datasheet also covers the 3UA variant, as both devices belong to the same overload relays family and are provided as variant models within a single manufacturer datasheet.

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3UA7021-OK overload relays by Siemens Semiconductor Group (now Infineon) - Datasheet Preview — Note: The manufacturer provides a single datasheet file (3UA-7.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	3UA7021-OK
Manufacturer	Siemens Semiconductor Group (now Infineon)
File Size	38.55 KB
Description	Overload Relays
Datasheet	3UA7021-OK Datasheet

📁 Similar Datasheet

Part Number	Description	Manufacturer

Other Datasheets by Siemens Semiconductor Group (now Infineon)

Part Number	Description
3UA7021-OA	Overload Relays
3UA7021-OC	Overload Relays
3UA7021-OE	Overload Relays
3UA7021-OG	Overload Relays
3UA7021-OJ	Overload Relays

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text

SIMICONT® Overload Relays 3UA7 Bimetallic Overload Relays Selection Ordering Information 3UA70 21 and 3UA70 11 overload relays with ᮣ Class 10 tripping characteristics ᮣ 1 NC trip contact ᮣ 1 NO isolated alarm contact ᮣ RESET-STOP button ᮣ Trip indicator ᮣ TEST button ᮣ Phase loss and unbalanced load protection 3UA70 20 and 3UA70 10 overload relays with ᮣ Class 10 tripping characteristics ᮣ Contact arrangement 1 NC ᮣ RESET-STOP button ᮣ Phase loss and unbalanced load protection ᮣ Accessories see below. For Direct Mounting to 3TF2 and 3TD2 contactors Illustration Contactor Type Setting Rangeቢ A 3UA7020 3TF2, 3TD2 0.1–0.16 0.16–0.25 0.25–0.4 0.4–0.63 0.63–1 0.8–1.25 1–1.6 1.25–2 1.6–2.5 2–3.2 2.5–4 3.2–5 4–6.3 5–8 6.