Circuit breaker 25 A A-release 20...25 A, N-release 325 A, for motor protection, class 10, screw connection, standard switching capacity,
Product Type: Industrial Automation Component
General
| Article number |
3RV6021-4DA10 |
| product brand name |
SIRIUS |
| product designation |
Circuit breaker |
| design of the product |
for motor protection |
| product type designation |
3RV6 |
General technical data
| size of the circuit-breaker |
S0 |
| power loss [W] total typical |
8 W |
| power loss [W] for rated value of the current at AC in hot operating state per pole |
3.5 W |
| type of calculation of power loss current-dependent |
quadratic |
| insulation voltage with degree of pollution 3 at AC rated value |
690 V |
| surge voltage resistance rated value |
6 kV |
| shock resistance according to IEC 60068-2-27 |
25 g / 11 ms |
| Substance Prohibitance (day/month/year) |
05/01/2012 |
| Net Weight |
370 g |
Ambient conditions
| installation altitude at height above sea level maximum |
2 000 m |
ambient temperature
| ● during operation |
-20 ... +60 °C |
| ● during transport |
-50 ... +80 °C |
| relative humidity during operation |
10 ... 95 % |
Main circuit
| number of poles for main current circuit |
3 |
| adjustable current response value current of the current-dependent overload release |
18 ... 25 A |
operating voltage
| ● rated value |
690 V |
| ● at AC-3 rated value maximum |
690 V |
| operating frequency rated value |
50 ... 60 Hz |
| operational current rated value |
25 A |
| operational current at AC-3 at 400 V rated value |
25 A |
| operating frequency at AC-3 maximum |
15 1/h |
Protective and monitoring functions
| trip class |
CLASS 10 |
| design of the overload release |
thermal |
| maximum short-circuit current breaking capacity (Icu) at AC at 400 V rated value |
55 kA |
| operating short-circuit current breaking capacity (Ics) at AC at 400 V rated value |
25 kA |
| response value current of instantaneous short-circuit trip unit |
325 A |
Short-circuit protection
| product function short circuit protection |
Yes |
| design of the short-circuit trip |
magnetic |
Installation/ mounting/ dimensions
| mounting position |
any |
| fastening method |
screw and snap-on mounting onto 35 mm DIN rail according to DIN EN 60715 |
| height |
97 mm |
| width |
45 mm |
| depth |
97 mm |
required spacing for grounded parts
| ● forwards |
0 mm |
| ● backwards |
0 mm |
| ● upwards |
50 mm |
| ● at the side |
30 mm |
| ● downwards |
50 mm |
type of electrical connection
| ● for main current circuit |
screw-type terminals |
| arrangement of electrical connectors for main current circuit |
Top and bottom |
type of connectable conductor cross-sections for main contacts
| ● solid or stranded |
2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²) |
| ● finely stranded with core end processing |
2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²), 1x 10 mm² |
tightening torque
| ● for main contacts with screw-type terminals |
2 ... 2.5 N·m |
Electrical Safety
| protection class IP on the front according to IEC 60529 |
IP20 |
| touch protection on the front according to IEC 60529 |
finger-safe, for vertical contact from the front |
General Product Approval
| CCC |
Yes |
| Confirmation |
Yes |
| UL |
Yes |
| EAC |
Yes |
| EU declaration of conformity |
Yes |
Test Certificates
| Type Test Certificates/Test Report |
Yes |
Maritime application
| LR (Lloyds Register) |
Yes |
| CCS (China Classification Society) |
Yes |
other
| Miscellaneous |
Yes |
| Confirmation |
Yes |
| Chinese Quality Checkmark |
Yes |
Environment
| Environmental Confirmations |
Yes |
Service&Support (Manuals, Certificates, Characteristics, FAQs,...)
https://support.industry.siemens.com/cs/products?pnid=16027&lc=en-CN
| last modified: |
5/16/2026 |
| Date8/1/2026 |
Subject to change without notice© Copyright Siemens 2026 |
Applications
This Industrial Automation Component is designed for industrial automation applications, offering reliable performance and compatibility with Siemens automation systems. Suitable for manufacturing, process control, and building automation environments.
