Overview Tables; Performance Features; General Data - Siemens SIRIUS 3RU Manual

Technical data

11.2 Overview tables

11.2 Overview tables
Overview tables technical data
You will find overview tables with technical data in the "Product information" tab in our online
ordering system
(https://mall.industry.siemens.com/mall/en/ww/Catalog/Products/8210541?tree=CatalogTree).
11.3

Performance features

11.3.1

General data

Table 11- 1 General data for 3RU21, 3RB20 / 3RB21 and 3RB30 / 3RB31 overload relays
Feature Description
Sizes
•
•
•
Overlapping
•
current range
148
Are matched to the dimensions,
connections and technical features
of the other devices in the SIRIUS
modular system
Permit the mounting of slim-line
and compact load feeders in widths
of 45 mm (S00), 45 mm (S0),
55 mm (S2), 70 mm (S3), 120 mm
(S6) and 145 mm (S10 / S12)
Make configuration easier
Allows straightforward and
consistent configuration with one
series of overload relays (for small
to large loads)
3RU21
S00 / S0 / S2 / S3
0.11 ... 100 A
SIRIUS 3RU thermal overload relays / SIRIUS 3RB electronic overload relays
Manual, 09/2016, A5E03656507420A/RS-AB/003
3RB30/3RB31 3RB20 / 3RB21
S00 / S0 / S2 / S3 S6
S10 / S12
0.1 ... 115 A 50 ... 630 A