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| Type | 3RV1 |
| Breaker Type | Motor Protection Circuit Breakers |
| Rated current | 16 |
| Number of Poles | 1 pole |
| Setting range for thermal overload releases | 11...16 A |
| Suitable for induction motors with P | 7.5 kW |
| Instantaneous overcurrent releases | 208 A |
| Short-circuit breaking capacity | 50 kA |
| Weight approx. | 0.436 kg |
Circuit breaker size S0 for motor protection CLASS 10 with overload
relay function A-release 11...16 A Short-circuit release 208 A Screw
terminal Standard switching capacity !!! Phased-out product !!!
Successor is SIRIUS 3RV2 Preferred successor type is >>3RV2121-
4AA10<<
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 9.25 W
at AC in hot operating state per pole 3.1 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 16 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
11 ... 16 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 16 A
operating power
at AC-3
at 400 V rated value 7.5 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)
Ask questions
(0/1,200)
- Q: Can I change the shipping address after placing an order?
A: We understand that sometimes you may need to change the shipping address. Please contact our customer service as soon as possible, and we will do our best to accommodate your request, depending on the order status and feasibility.
- Q: Is my personal information secure when shopping on your platform?
A: Absolutely! We take the security and privacy of your personal information seriously. Our platform utilizes advanced encryption and security measures to protect your data, ensuring a safe and secure shopping experience.
- Q: Are there any restrictions on using multiple discount codes for a single order?
A: The use of multiple discount codes for a single order may be subject to certain restrictions. Please refer to the terms and conditions of the discount codes or contact our customer service team for more information.
Reviews
- J
Jeff Browning
Aug 18, 2025
Siemens Circuit Breaker 3RV1121-4AA10Easy to use and customize settings.HelpfulUnhelpful - M
Mark Muellner
Aug 04, 2025
Siemens Circuit Breaker 3RV1121-4AA10The work was completed on schedule and the motor was packaged nicely.HelpfulUnhelpful - W
William Kahrs
Jul 27, 2025
Siemens Circuit Breaker 3RV1121-4AA10I'm so happy with the performance of this motor.HelpfulUnhelpful - G
Garret Chilson
Dec 09, 2024
Siemens Circuit Breaker 3RV1121-4AA10ExcellentHelpfulUnhelpful - L
Lazaro Diaz
Dec 07, 2024
Siemens Circuit Breaker 3RV1121-4AA10I'm really looking forward to receiving this product quickly.HelpfulUnhelpful - P
Phillip Mayfield
Sep 13, 2024
Siemens Circuit Breaker 3RV1121-4AA10Shipped out fast and arrived just as I wanted.HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Siemens Circuit Breaker 3RV1121-4AA10All was ok! No problems whatsoever.HelpfulUnhelpful
Siemens Circuit Breaker 3RV1121-4AA10
✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
30 Days Money Back Guarantee
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