The Siemens Circuit Breaker is high quality!
Circuit breaker size S3 A-release 57...75 A Short-circuit release 975
A Motor protection up to 100 kA,Class 20 Screw terminal Increased
switching capacity !!! Phased-out product !!! Successor is SIRIUS
3RV2 Preferred successor type is >>3RV2042-4KB10<<
product brand name SIRIUS
product designation circuit breaker
design of the product for motor protection
General technical data
product extension
auxiliary switch Yes
power loss W for rated value of the current
at AC in hot operating state 38 W
at AC in hot operating state per pole 12.7 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 50 000
continuous current rated value 75 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
57 ... 75 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 75 A
operating power
at AC-3
at 400 V rated value 37 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 20
maximum short-circuit current breaking capacity (Icu)
at AC at 240 V rated value 100 kA
at AC at 400 V rated value 100 kA
at AC at 500 V rated value 10 kA
at AC at 690 V rated value 6 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 165 mm
width 70 mm
depth 174 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 with box 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 (2.5 ... 16 mm?)
stranded 2x (10 ... 50 mm?), 1x (10 ... 70 mm?)
finely stranded with core end processing 2x (2.5 ... 35 mm?), 2.5 ... 50 mm?
at AWG conductors for main contacts 2x (10 ... 1), 1x (10 ... 2)