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3WL1110-3BB42-4GA4-Z K07+T40
fixed-mounted circuit breaker 4-pole, size I, IEC In=1000A to 690V,
AC50/60Hz Icu=66kA at 500V rear connection horizontal Overcurrent
release ETU 15 LI protection adjustable 0.5-1 in Motorized/manual
operating mechanism with spring charging motor AC 50/60 Hz 208-
240 V or 220-250 V DC Activation AC 50/60 Hz 230 V, 220 V DC
With 1st auxiliary release Shunt release "F", F1 50/60 Hz 230 V
AC/220 V DC, 100% on-load factor without 2nd auxiliary release
4NO+4NC K07= Tripped signaling contact, 1 CO not possible with
option F02 T40= Door sealing frame
Model
product brand name SENTRON
product designation ACB
design of the product IEC 60947-2
design of the actuating element Pushbutton
type of the driving mechanism Manual/motorized operating mechanism with mechanical and
electrical closing
type of the driving mechanism / motor drive Yes
design of the overcurrent release ETU15B
General technical data
number of poles 4
size of the circuit-breaker 1
utilization category B
circuit-breaker / Design 3WL1
Voltage
Rated insulation voltage Ui 1 000 V
insulation voltage / rated value 1 000 V
operating voltage
at AC / at 50/60 Hz / rated value 690 V
Protection class
protection class IP IP20
protection function of the overcurrent release LI
Dissipation
power loss W
for rated value of the current / at AC / in hot
operating state / per pole
33.3 W
maximum 100 W
Current
continuous current / rated value / maximum 1 000 A
continuous current / rated value 1 000 A
adjustable current response value current
of the current-dependent overload release / fullscale value
1 000 A
of instantaneous short-circuit trip unit / initial
value
2 000 A
of instantaneous short-circuit trip unit / full-scale
value
8 000 A
Main circuit
operating frequency
1 / rated value 50 Hz
2 / rated value 60 Hz
operational current
at 40 degrees centigrade / rated value 1 000 A
at 50 degrees centigrade / rated value 1 000 A
at 55 degrees centigrade / rated value 1 000 A
at 60 degrees centigrade / rated value 1 000 A
at 65 degrees centigrade / rated value 1 000 A
at 70 degrees centigrade / rated value 1 000 A
Auxiliary circuit
number of NC contacts / for auxiliary contacts 4
number of NO contacts / for auxiliary contacts 4
Suitability
suitability for use system protection
Adjustable parameters
adjustable current response value current / of the
current-dependent overload release / initial value
500 A
Product details
product component
trip indicator Yes
voltage trigger Yes
undervoltage release No
design of the auxiliary switch 4 NO + 4 NC
product extension / optional / motor drive No
Product function
product function
grounding protection No
phase failure detection No
Display and operation
display version without display
Short circuit
breaking capacity operating short-circuit current
(Ics) / at 415 V / rated value
66 kA
breaking capacity operating short-circuit current
(Ics) / at 500 V / rated value
66 kA
breaking capacity operating short-circuit current
(Ics) / at 690 V / rated value
50 kA
breaking capacity maximum short-circuit
current (Icu) / at 415 V / rated value
66 kA
breaking capacity maximum short-circuit
current (Icu) / at 500 V / rated value
66 kA
breaking capacity maximum short-circuit
current (Icu) / at 690 V / rated value
50 kA
Connections
arrangement of electrical connectors / for main
current circuit
Main connection rear side horizontal
type of electrical connection / for main current circuit busbar connection
Mechanical Design
height 439.5 mm
width 410 mm
depth 337 mm
fastening method fixed mounting
Environmental conditions
ambient temperature / during operation
minimum -20 degrees centigrade
maximum 70 degrees centigrade
ambient temperature / during storage
minimum -40 degrees centigrade
maximum 70 degrees centigrade
Certificates
reference code
acc. to DIN EN 61346-2 Q
acc. to IEC 81346-2 Q
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Reviews
- D
David Rauch
Aug 12, 2025
Siemens Circuit Breaker 3WL1110-3BB42-4GA4ZThe person I spoke with was very helpful and knowledgeable.HelpfulUnhelpful - G
Garvin Jordan
Jul 03, 2025
Siemens Circuit Breaker 3WL1110-3BB42-4GA4ZTheir website is easy to use and their inventory is accurate.HelpfulUnhelpful - S
Summer Holland
Jan 07, 2025
Siemens Circuit Breaker 3WL1110-3BB42-4GA4ZI needed it at a good price with fast delivery.HelpfulUnhelpful - A
Alexis Valdez
Jul 30, 2024
Siemens Circuit Breaker 3WL1110-3BB42-4GA4ZLa pieza era correcta y se entregó a tiempo.HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Siemens Circuit Breaker 3WL1110-3BB42-4GA4ZAll was ok! No problems whatsoever.HelpfulUnhelpful
Siemens Circuit Breaker 3WL1110-3BB42-4GA4Z
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