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| Type | 3RV1 |
| Breaker Type | Motor Protection Circuit Breakers |
| Rated current | 8 |
| Number of Poles | 1 pole |
| Setting range for thermal overload releases | 5.5...8 A |
| Suitable for induction motors with P | 3 kW |
| Instantaneous overcurrent releases | 104 A |
| Short-circuit breaking capacity | 100 kA |
| Weight approx. | 0.356 kg |
Circuit breaker size S0 for motor protection CLASS 10 A-release5.5...8 A Short-circuit release 104 A
Screw terminal Standardswitching capacity !!! Phased-out product !!! Successor is SIRIUS3RV2 Preferred successor
type is 3RV2011-1HA10
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 9.25 W
at AC in hot operating state per pole 3.1 W
surge voltage resistance rated value 6 kV
maximum permissible voltage for safe isolation
protection class IP
on the front IP20
mechanical service life (switching cycles)
shock resistance 25g / 11 ms
mechanical service life (switching cycles)
of the main contacts typica 100 000
continuous current rated value 8 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 current-dependent overload release 5.5 -8A
operating voltage
rated value 690 V at AC-3 rated value maximum 690 V
operating current
at AC-3 at 400 V rated value 8 A
operating power at AC-3
at 400 V rated value 3000 W
operating frequency at AC-3 maximum 15 1/h
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
design of the overload release thermal
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 42 kA
at AC at 690 V rated value 6 kA
Installation mounting dimensions
mounting position any
mounting type screw and snap-on mounting onto 35 mm standard mounting railaccording to DIN EN 50022
height 97 mm width 45 mm depth 96 mm
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Reviews
- R
Ronald Walczak
Sep 24, 2025
Siemens Circuit Breaker 3RV1021-1HA10The service is great, looking forward to the speedy delivery.HelpfulUnhelpful - D
Darrell Hall
Aug 18, 2025
Siemens Circuit Breaker 3RV1021-1HA10I really appreciated the salesperson's patience and willingness to answer all my questions.HelpfulUnhelpful - J
Juan Dorantes
Dec 13, 2024
Siemens Circuit Breaker 3RV1021-1HA10Just as expected and easy to navigate.HelpfulUnhelpful - S
Shane Rangel
Dec 02, 2024
Siemens Circuit Breaker 3RV1021-1HA10I'm so happy with my purchase, thanks for the great service.HelpfulUnhelpful - S
Steve Ryan
Oct 03, 2024
Siemens Circuit Breaker 3RV1021-1HA10The free shipping is a nice touch!HelpfulUnhelpful - L
Luis
Dec 30, 2023
Siemens Circuit Breaker 3RV1021-1HA10Encontré lo que estaba buscando. Un poco confuso al principio, generalmente me gusta hablar con una persona en tiempo real.HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Siemens Circuit Breaker 3RV1021-1HA10All was ok! No problems whatsoever.HelpfulUnhelpful
Siemens Circuit Breaker 3RV1021-1HA10
✔ 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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