Auxiliary switch, laterally size S2, S3 for circuit breakers 2 NO
Product Type: Industrial Automation Component
General
| Article number |
3RV5901-1B |
| product brand name |
SIRIUS |
| product category |
Auxiliary switch |
| product designation |
auxiliary switch |
| design of the product |
lateral auxiliary switches |
General technical data
| certificate of suitability |
CE / UL / CSA / CCC |
| size of the circuit-breaker |
S00, S0, S2, S3 |
| display version LED |
No |
| insulation voltage rated value |
690 V |
| degree of pollution |
3 |
| surge voltage resistance rated value |
6 kV |
protection class IP on the front
| ● according to IEC 60529 |
IP20 |
| ● |
IP20 |
| reference code according to IEC 81346-2 |
Q |
| Substance Prohibitance (day/month/year) |
07/01/2006 |
| Net Weight |
45 g |
| number of NC contacts for auxiliary contacts instantaneous contact |
0 |
| number of NO contacts for auxiliary contacts instantaneous contact |
2 |
| number of CO contacts of auxiliary contacts instantaneous contact |
0 |
| operational current at AC-15 at 690 V rated value |
1 A |
operational current of auxiliary contacts at AC-12
| ● at 24 V |
10 A |
| ● at 230 V |
10 A |
| ● at 400 V |
10 A |
| ● at 690 V |
10 A |
| operational current of auxiliary contacts at AC-12 maximum |
10 A |
operational current of auxiliary contacts at AC-15
| ● at 24 V |
6 A |
| ● at 230 V |
4 A |
| ● at 400 V |
3 A |
operational current of auxiliary contacts at DC-13
| ● at 24 V |
2 A |
| ● at 110 V |
0.5 A |
| ● at 220 V |
0.25 A |
| ● at 250 V |
0.25 A |
ambient temperature
| ● during operation |
-20 ... +60 °C |
| ● during storage |
-50 ... +80 °C |
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 |
Installation/ mounting/ dimensions
| fastening method |
plug-in fixing |
| height |
90 mm |
| width |
9.5 mm |
| depth |
70 mm |
Connections/ Terminals
| type of electrical connection for auxiliary and control circuit |
screw-type terminals |
connectable conductor cross-section for auxiliary contacts
| ● solid or stranded |
0.5 ... 2.5 mm² |
| ● finely stranded with core end processing |
0.5 ... 2.5 mm² |
● for auxiliary contacts
| — solid |
2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| — finely stranded with core end processing |
2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| ● for AWG cables for auxiliary contacts |
2x (20 ... 14) |
| AWG number as coded connectable conductor cross section for auxiliary contacts |
20 ... 14 |
Environment
| Environmental Confirmations |
Yes |
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
other
| Miscellaneous |
Yes |
| Confirmation |
Yes |
| Chinese Quality Checkmark |
Yes |
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)
https://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RV5901-1B&lang=en
| last modified: |
4/3/2025 |
| 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.
