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| Type | 3RV1 |
| Breaker Type | Motor Protection Circuit Breakers |
| Rated current | 0.25 |
| Number of Poles | 1 pole |
| Setting range for thermal overload releases | 0.18...0.25 A |
| Suitable for induction motors with P | 0.06 kW |
| Instantaneous overcurrent releases | 3.3 A |
| Short-circuit breaking capacity | 100 kA |
| Weight approx. | 0.352 kg |
Circuit breaker size S0 for motor protection CLASS 10 with overload
relay function A-release 0.18...2.5 A Short-circuit release 3.3 A
Screw terminal Standard switching capacity !!! Phased-out product !!!
Successor is SIRIUS 3RV2 Preferred successor type is >>3RV2111-
0CA10<<
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 5.5 W
at AC in hot operating state per pole 1.8 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 0.25 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
0.18 ... 0.25 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 0.25 A
operating power
at AC-3
at 400 V rated value 0.06 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 100 kA
at AC at 500 V rated value 100 kA
at AC at 690 V rated value 100 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)
Ask questions
(0/1,200)
- Q: Can I change the size or color of an item after placing an order?
A: If you need to change the size or color of an item after placing an order, please contact our customer service team as soon as possible. We will assist you in modifying the order if it hasn't been processed for shipping.
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A: We regularly hold promotional events and organize giveaways and gift activities. You can follow our official announcements, emails, or social media channels to get information on how to participate and the details of these activities.
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A: We highly value your feedback and would like to hear about your shopping experience. You can contact our customer service or provide feedback through the "Screenshot Feedback" feature on our website. We welcome your opinions and suggestions as they help us improve our services and better serve our customers.
Reviews
- R
Rommel Enriquez
Jun 18, 2025
Siemens Circuit Breaker 3RV1121-0CA10The part was shipped to us as soon as possible.HelpfulUnhelpful - R
Ryan Keffeler
Jan 18, 2025
Siemens Circuit Breaker 3RV1121-0CA10Fast and friendly service, thanks a lot.HelpfulUnhelpful - K
Kevin Jackson
Jan 13, 2025
Siemens Circuit Breaker 3RV1121-0CA10I'm so happy with my purchase, thank you so much.HelpfulUnhelpful - R
Robert Baker
Jul 02, 2024
Siemens Circuit Breaker 3RV1121-0CA10Your assistance was very pleasing and adequate.... Easy to order parts on line...HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Siemens Circuit Breaker 3RV1121-0CA10All was ok! No problems whatsoever.HelpfulUnhelpful
Siemens Circuit Breaker 3RV1121-0CA10
✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
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