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| Type | 3RV2 | 
| Breaker Type | Motor Protection Circuit Breakers | 
| Rated current | 16 | 
| Number of Poles | 2 pole | 
| Setting range for thermal overload releases | 10...16 A | 
Circuit breaker size S0 for transformer protection A-release 10...16 A
N-release 286 A Spring-type terminal Standard switching capacity
product brand name SIRIUS
product designation Circuit breaker
design of the product For transformer protection
product type designation 3RV2
General technical data
size of the circuit-breaker S0
size of contactor can be combined company-specific S00, S0
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
insulation voltage with degree of pollution 3 at AC
rated value
690?V
surge voltage resistance rated value 6?kV
maximum permissible voltage for safe isolation
in networks with grounded star point between
main and auxiliary circuit
400?V
in networks with grounded star point between
main and auxiliary circuit
400?V
protection class IP
on the front IP20
of the terminal IP20
shock resistance
acc. to IEC 60068-2-27 25g / 11 ms
mechanical service life (switching cycles)
of the main contacts typical 100?000
of auxiliary contacts typical 100?000
electrical endurance (switching cycles)
typical 100?000
reference code acc. to DIN EN 81346-2 Q
Main circuit
number of poles for main current circuit 3
adjustable pick-up value current of the currentdependent overload release
10?...?16?A
operating voltage
rated value 690?V
at AC-3 rated value maximum 690?V
operating frequency rated value 50?...?60?Hz
operating current rated value 16?A
operating current
at AC-3
at 400 V rated value 16?A
operating power
at AC-3
at 230 V rated value 4?000?W
at 400 V rated value 7?500?W
at 500 V rated value 7?500?W
at 690 V rated value 11?000?W
operating frequency
at AC-3 maximum 15?1/h
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Reviews
- J
Jason J Ferraccio
May 08, 2025
Siemens Circuit Breaker 3RV2421-4AA20Super happy with the purchase, it arrived earlier than expected too!HelpfulUnhelpful - G
Gregory Wathan
May 02, 2025
Siemens Circuit Breaker 3RV2421-4AA20Fast and speedy service.HelpfulUnhelpful - G
Guest
Dec 19, 2024
Siemens Circuit Breaker 3RV2421-4AA20Wonderful service, fine product.HelpfulUnhelpful - B
Brandon Atkins
Aug 19, 2024
Siemens Circuit Breaker 3RV2421-4AA20On internetHelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Siemens Circuit Breaker 3RV2421-4AA20All was ok! No problems whatsoever.HelpfulUnhelpful 
Siemens Circuit Breaker 3RV2421-4AA20
✔ 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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