| CIRCUIT-BREAKER SIZE S3, FOR MOTOR PROTECTION, CLASS 10, A-REL. 57...75A, N-REL. 975A, SCREW TERMINAL, STANDARD SWITCHING CAPACITY |
| General technical data: |
| Product brand name | | SIRIUS |
| product designation | | circuit breaker |
| Size of the circuit-breaker | | S3 |
| Trip class | | CLASS 10 |
| Degree of pollution | | 3 |
| Installation altitude / at a height over sea level / maximum | m | 2,000 |
| Protection class IP / on the front | | IP20 |
| Ambient temperature | | |
| °C | -50…80 |
| °C | -20…70 |
| °C | 80…-50 |
| Resistance against shock | | 25g / 11 ms |
| Insulation voltage / rated value | V | 690 |
| Impulse voltage resistance / rated value | V | 6,000 |
| Active power loss / total / typical | W | 30 |
| Item designation | | |
- according to DIN 40719 extendable after IEC 204-2 / according to IEC 750
| | Q |
- according to DIN EN 61346-2
| | Q |
| Mechanical operating cycles as operating time / of the main contacts / typical | | 50,000 |
| Type of the driving mechanism / motor drive | | No |
| Design of the operating mechanism | | selector switch |
| Product function | | |
| | Yes |
- phase disturbance recognition
| | Yes |
| Product component | | |
| | No |
- undervoltage release mechanism
| | No |
| | No |
| Product extension / optional / motor drive | | Yes |
| Main circuit: |
| Number of poles / for main current circuit | | 3 |
| type of voltage | | AC/DC |
| Operating voltage / at AC-3 / rated value / maximum | V | 690 |
| Operating current / at AC-3 / at 400 V / rated value | A | 75 |
| Service power / at AC-3 | | |
| kW | 37 |
| Frequency of operation / at AC-3 / according to IEC 60947-6-2 / maximum | 1/h | 15 |
| Arrangement of electrical connectors / for main current circuit | | front side |
| Adjustable response current | | |
- of the non-delayed short-circuit release
| A | 975…975 |
| Adjustable response current | | |
- of the current-dependent overload release
| A | 57…75 |
| Continuous current / rated value | A | 75 |
| Product extension / auxiliary switch | | Yes |
| Auxiliary circuit: |
| Number of NC contacts / for auxiliary contacts / instantaneous switching | | 0 |
| Number of NO contacts / for auxiliary contacts / instantaneous switching | | 0 |
| Number of change-over switches / for auxiliary contacts | | 0 |
| Inputs/ Outputs: | | |
| Number of digital inputs | | 0 |
| Short-circuit: |
| Breaking capacity limit short-circuit current (lcu) | | |
| kA | 50 |
| kA | 8 |
| kA | 5 |
| Design of the electrical connection / for auxiliary and control current circuit | | screw-type terminals |
| Design of the overcurrent release and short-circuit release | | thermomagnetic |
| Installation/mounting/dimensions: |
| Built in orientation | | any |
| Type of mounting | | screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
| Width | mm | 70 |
| Height | mm | 165 |
| Depth | mm | 174 |
| Distance, to be maintained, to the ranks assembly | | |
| mm | 0 |
| mm | 0 |
| Product function / removable terminal for auxiliary and control circuit | | No |
| Connections: |
| Design of the electrical connection | | |
| | screw-type terminals with box terminals |
| Type of the connectable conductor cross-section | | |
| | |
| | 2x (2.5 ... 16 mm²) |
| | 2x (10 ... 50 mm²), 10 ... 70 mm² |
| | |
- with conductor end processing
| | 2x (2.5 ... 35 mm²), 2.5 ... 50 mm² |
| Conductor cross section that can be connected / for main contacts | | |
| mm² | 2.5…16 |
| mm² | 10…70 |
| | |
- with conductor end processing
| mm² | 2.5…50 |
