✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
30 Days Money Back Guarantee
| Type | 3RV2 |
| Breaker Type | Motor Protection Circuit Breakers |
| Rated current | 20 |
| Number of Poles | 2 pole |
| Setting range for thermal overload releases | 13...20 A |
Circuit breaker size S0 for transformer protection A-release 13...20 A
N-release 325 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 10.5?W
at AC in hot operating state per pole 3.5?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
Main circuit
number of poles for main current circuit 3
adjustable pick-up value current of the currentdependent overload release
13?...?20?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 20?A
operating current
at AC-3
at 400 V rated value 20?A
operating power
at AC-3
at 230 V rated value 5?500?W
at 400 V rated value 7?500?W
at 500 V rated value 11?000?W
at 690 V rated value 15?000?W
operating frequency
at AC-3 maximum 15?1/h
Ask questions
(0/1,200)
- Q: Can I place an order over the phone?
A: Yes, in some cases, you may be able to place an order over the phone. Please contact our customer service team and provide them with the necessary details to assist you with the phone order process.
- Q: How can I compare prices and reviews of similar products?
A: On the product list page, you can view the prices and ratings of different items simultaneously. You can also use filters to sort products by price or rating, facilitating your comparison and selection.
- Q: Can I place an order for an out-of-stock item?
A: If an item is currently out of stock, you may not be able to place an order for it. However, you can sign up for a notification to be informed when the item is back in stock.
Reviews
- J
Joseph Tilley
Jun 16, 2025
Siemens Circuit Breaker 3RV2421-4BA20Highly recommend them, they exceeded my expectations with their fast shipping.HelpfulUnhelpful - T
Tyler Heilig
Dec 09, 2024
Siemens Circuit Breaker 3RV2421-4BA20Your package is on the move!HelpfulUnhelpful - J
Jeff Handley
Oct 22, 2024
Siemens Circuit Breaker 3RV2421-4BA20Good price and fast shipping option.HelpfulUnhelpful - S
STEVEN BAILEY
Jun 24, 2024
Siemens Circuit Breaker 3RV2421-4BA20El servicio al cliente de OKmarts fue muy servicial y la pieza que pedí llegó pronto y funciona muy bien. Gracias.HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Siemens Circuit Breaker 3RV2421-4BA20All was ok! No problems whatsoever.HelpfulUnhelpful
Siemens Circuit Breaker 3RV2421-4BA20
✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
30 Days Money Back Guarantee
People who bought this item also viewed
GE Circuit Breaker SFKOG 1.6-2.5A
Siemens Circuit Breaker 3WT8161-7UG00-0AA1
Siemens Circuit Breaker 3RV1011-1AA10
Siemens Circuit Breaker 5SY6614-7CC
Eaton Moeller Circuit Breaker FAZ-B5/3
ABB Circuit Breaker MS116-4.0
CHINT Transformer SG-4
TENGEN Contactor CJX2-4011 36V
BOURNS Fuse MF-SM050-2
IDEC Relay RJ22S-CL-D48
IRC Resistor 20190906 1W 4.64K
Customers frequently viewed
IWAYA DENKI Water Pump 25CJT0752
Panasonic Servo Motor MHMF022L1V2M
Honeywell Solenoid Valve VE4025B1045
ROTEN Mechanical Seal 8E5K-22-X
SANDSUN Overload Pump VA08H-760
GS Battery 6-QW-60(450)-(55D23L-KR)
Rechi Compressor 44R273A
MINDMAN Air Cylinder MCQV2-11-40-200
Mitsubishi Compressor YB645WTG
Copeland Compressor ZPD51K5E-TF7-600
Schaeffler INA Bearing NUTR1747-A
UNIVER Solenoid Valve BE-5995
Tecumseh Compressor AWA2440ZXT
TIMKEN Bearing 28158/28315-B
Baldor VFD Frequency Converter ZD18H220-EO
TOYOOKI Vane Pump HVP-FCC1-L11-39L-B-G
Meas Transmitter MSP-300-150-P-4-N-X-0464
JUMO Switch 401002-000

