T4H 320 PR221DS-LS/I In=320 3p F F
Product ID:75094
Updated: 2026/4/10
Key Features
- 1Handle up to 320A current with high reliability. 2、Provide 1000V insulation and 8kV impulse withstand voltage. 3、Ensure durability with 6000 electrical and 20000 mechanical cycles. 4、Reduce power loss to 17.6W per pole for efficiency. 5、Meet IEC 60947 standards for safety and performance.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Environmental Information | 9AKK10103A1057 | Product Net Width | 105 mm |
| Product Net Height | 205 mm | Product Net Depth / Length | 103.5 mm |
| Product Net Weight | 3.5 kg | Product Main Type | SACE Tmax T |
| Product Name | Moulded Case Circuit Breaker | Product Type | Automatic Circuit Breaker |
| Suitable For | T4 | Suitable for Product Class | Moulded Case Circuit Breakers |
| Version | F | Electrical Durability | 6000 cycle 120 cycles per hour |
| Mechanical Durability | 20000 cycle 240 cycles per hour | Number of Poles | 3 |
| Power Loss | at Rated Operating Conditions per Pole 17.6 W | Rated Current (In) | 320 A |
| Rated Impulse Withstand Voltage (Uimp) | 8 kV | Rated Insulation Voltage (Ui) | 1000 V |
| Rated Operational Voltage | 690 V AC | Rated Service Short-Circuit Breaking Capacity (Ics) | (220 V AC) 100 kA (230 V AC) 100 kA (380 V AC) 70 kA (400 V AC) 70 kA (415 V AC) 70 kA (440 V AC) 65 kA (500 V AC) 50 kA (690 V AC) 40 kA |
| Rated Ultimate Short-Circuit Breaking Capacity (Icu) | (220 V AC) 100 kA (230 V AC) 100 kA (380 V AC) 70 kA (400 V AC) 70 kA (415 V AC) 70 kA (440 V AC) 65 kA (500 V AC) 50 kA (690 V AC) 40 kA | Rated Uninterrupted Current (Iu) | 320 A |
| Release | PR221DS-LS/I | Release Type | EL |
| Short-Circuit Performance Level | H | 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 |
| UNSPSC | 39121100 | WEEE Category | 5. Small Equipment (No External Dimension More Than 50 cm) |
| eClass | V11.1 : 27370409 | Manufacturer ID | 1SDA054133R1 |
Specifications may be subject to change without notice