| Category | Parameter | Value |
|---|---|---|
| General Data | Product Brand | SENTRON |
| Product Designation | Molded Case Circuit Breaker | |
| Protection Type | Line Protection (TM240, LI) | |
| Poles | 3 | |
| Insulation Voltage (Ui) | 800 V | |
| Operating Voltage | AC 690 V / DC 750 V | |
| Net Weight | 13.468 kg | |
| Current Ratings | Operational Current (In) | |
| @ 40°C/45°C/50°C | 1,000 A | |
| @ 55°C | 975 A | |
| @ 60°C | 950 A | |
| @ 65°C | 925 A | |
| @ 70°C | 900 A | |
| Breaking Capacity | Switching Capacity Class (IEC 60947) | M |
| Ultimate (I<sub>cu</sub>) | ||
| @ 240 V | 85 kA | |
| @ 415 V / 440 V | 55 kA | |
| @ 500 V | 36 kA | |
| @ 690 V | 25 kA | |
| Service (I<sub>cs</sub>) | ||
| @ 240 V | 85 kA | |
| @ 415 V / 440 V | 55 kA | |
| @ 500 V | 36 kA | |
| @ 690 V | 19 kA | |
| Making (I<sub>cm</sub>) | ||
| @ 240 V | 187 kA | |
| @ 415 V / 440 V | 121 kA | |
| @ 500 V | 75.6 kA | |
| @ 690 V | 52.5 kA | |
| Adjustable Protections | L-Trip (Overload) | |
| Current Setting (I<sub>r</sub>) | 700–1,000 A (I²t characteristic) | |
| Time Delay (t<sub>r</sub>) | 1 s (fixed) | |
| I-Trip (Short-Circuit) | ||
| Current Setting (I<sub>i</sub>) | 5,000–10,000 A | |
| Power Loss | Maximum | 330 W |
| Per Pole @ Rated Current | 110 W (AC, hot operating state) | |
| Mechanical | Dimensions | |
| Height | 320 mm (12.6 in) | |
| Width | 210 mm (8.27 in) | |
| Depth | 120 mm (4.72 in) | |
| Mechanical Life | 10,000 cycles (typical) | |
| Electrical Endurance (AC-1) | 4,900 cycles @ 380/415 V 3,400 cycles @ 690 V |
|
| Connections | Main Circuit Terminal Type | Front terminal with nut keeper kit |
| Busbar Cross-Section | Min: 20×4 mm Max: 50×28 mm |
|
| Contact Surface Material | Silver-plated | |
| Environmental | Protection Class (Front) | IP40 |
| Operating Temperature | -25°C to +70°C | |
| Storage Temperature | -40°C to +80°C | |
| Auxiliaries | Undervoltage Release | No |
| Trip Indicator | No | |
| CO Auxiliary Contacts | 0 |
circuit breaker 3VA1 IEC Frame 1000 breaking capacity class M Icu=55 kA @ 415 V 3-pole, line protection TM240, ATAM, In=1000 A overload protection Ir=700 A…1000 A short-circuit protection Ii=5…10 x In nut keeper kit
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