T4N 320 BREAKING PART 4p F F
Product ID:74486
Updated: 2026/4/9

Key Features
- 1Deliver 36 kA breaking capacity at 400 V, 50 Hz. 2、Feature a moulded case with front terminals for easy installation. 3、Ensure 6000 cycles at 120 cycles per hour. 4、Guarantee 20,000 cycles at 240 cycles per hour. 5、Meet IEC 60947 standards for safety and performance.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Environmental Information | 9AKK10103A1057 | Product Net Width | 140 mm |
| Product Net Height | 162 mm | Product Net Depth / Length | 103.5 mm |
| Product Net Weight | 3.05 kg | Product Main Type | SACE Tmax T |
| Product Name | Moulded Case Circuit Breaker | Product Type | Breaking Part |
| Suitable For | T4 | Suitable for Product Class | Moulded Case Circuit Breakers |
| Version | F | Device | Breaking Part |
| Electrical Durability | 6000 cycle 120 cycles per hour | Mechanical Durability | 20000 cycle 240 cycles per hour |
| Number of Poles | 4 | Rated Impulse Withstand Voltage (Uimp) | 8 kV |
| Rated Insulation Voltage (Ui) | 1000 V | Rated Operational Voltage | 690 V AC 750 V DC |
| Rated Service Short-Circuit Breaking Capacity (Ics) | (220 V AC) 70 kA (230 V AC) 70 kA (380 V AC) 36 kA (400 V AC) 36 kA (415 V AC) 36 kA (440 V AC) 30 kA (500 V AC) 25 kA (690 V) 20 kA | Rated Ultimate Short-Circuit Breaking Capacity (Icu) | (220 V AC) 70 kA (230 V AC) 70 kA (380 V AC) 36 kA (400 V AC) 36 kA (415 V AC) 36 kA (440 V AC) 30 kA (500 V AC) 25 kA (690 V AC) 20 kA (250 V DC) 2 Poles in Series 36 kA (250 V DC) 2 Poles in Series 25 kA (750 V DC) 3 Poles in Series 16 kA |
| Rated Uninterrupted Current (Iu) | 320 A | Short-Circuit Performance Level | N |
| Standards | IEC | Sub-type | T4 |
| Terminal Connection Type | Fixed Circuit-Breakers Front | Test Voltage Max (Utest) | 3500 V |
| Test Voltage at Industrial Frequency for 1 Minute | 3500 V | ETIM 8 | EC000228 - Power circuit-breaker for trafo/generator/installation protection |
| Object Classification Code | Q | WEEE Category | 5. Small Equipment (No External Dimension More Than 50 cm) |
| eClass | V11.1 : 27370409 | Manufacturer ID | 1SDA054572R1 |
Specifications may be subject to change without notice
