The Siemens Circuit Breaker is high quality!
Circuit breaker size S0 for motor protection CLASS 10 with overload
relay function A-release 20...25 A Short-circuit release 325 A Screw
terminal Standard switching capacity !!! Phased-out product !!!
Successor is SIRIUS 3RV2 Preferred successor type is >>3RV2121-
4DA10<<
product brand name SIRIUS
product designation circuit breaker
design of the product For motor protection with relay overload functionality
General technical data
product extension
auxiliary switch Yes
power loss W for rated value of the current
at AC in hot operating state 10.5 W
at AC in hot operating state per pole 3.5 W
surge voltage resistance rated value 6 000 V
protection class IP
on the front IP20
shock resistance 25g / 11 ms
mechanical service life (switching cycles)
of the main contacts typical 100 000
continuous current rated value 25 A
Ambient conditions
installation altitude at height above sea level
maximum
2 000 m
ambient temperature
during operation -20 ... +60 degrees centigrade
during storage -50 ... +80 degrees centigrade
during transport -50 ... +80 degrees centigrade
Main circuit
number of poles for main current circuit 3
adjustable pick-up value current of the currentdependent
overload release
20 ... 25 A
operating voltage
rated value 690 V
at AC-3 rated value maximum 690 V
operating current
at AC-3
at 400 V rated value 25 A
operating power
at AC-3
at 400 V rated value 11 kW
operating frequency
at AC-3 maximum 15 1/h
Auxiliary circuit
number of CO contacts
for auxiliary contacts 0
Protective and monitoring functions
product function
ground fault detection No
phase failure detection Yes
trip class CLASS 10
maximum short-circuit current breaking capacity (Icu)
at AC at 240 V rated value 100 kA
at AC at 400 V rated value 50 kA
at AC at 500 V rated value 10 kA
at AC at 690 V rated value 4 kA
Short-circuit protection
design of the overcurrent release and short-circuit
release
thermomagnetic
Installation/ mounting/ dimensions
mounting position any
mounting type screw and snap-on mounting onto 35 mm standard mounting rail
according to DIN EN 50022
height 97 mm
width 45 mm
depth 96 mm
required spacing
with side-by-side mounting
backwards 0 mm
at the side 0 mm
Connections/ Terminals
product function
removable terminal for auxiliary and control
circuit
No
type of electrical connection
for main current circuit screw-type terminals
for auxiliary and control circuit screw-type terminals
arrangement of electrical connectors for main current
circuit
front side
type of connectable conductor cross-sections
for main contacts
solid 2x (1 ... 2.5 mm?), 2x (2.5 ... 6 mm?)
stranded 2x (1 ... 2.5 mm?), 2x (2.5 ... 6 mm?)
finely stranded with core end processing 2x (1 ... 2.5 mm?), 2x (2.5 ... 6 mm?)
at AWG conductors for main contacts 2x (14 ... 10)