T4N 320 PR221DS-LS/I In=320 3p F F
Product ID:74507
Updated: 2026/4/9
Key Features
- 1Achieve high electrical durability with 6000 cycles at 120 cycles per hour. 2、Ensure robust protection with a short-circuit breaking capacity up to 70 kA. 3、Benefit from exceptional mechanical durability of 20,000 cycles. 4、Guarantee safety and reliability with full IEC 60947 compliance. 5、Select this molded case circuit breaker for a 320 A rated current.
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 | 3.639 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 |
| Gross Volume | 17,835 cm³ | 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) 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 |
| Rated Uninterrupted Current (Iu) | 320 A | Release | PR221DS-LS/I |
| Release Type | EL | 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 | UNSPSC | 39121100 |
| WEEE Category | 5. Small Equipment (No External Dimension More Than 50 cm) | eClass | V11.1 : 27370409 |
| Manufacturer ID | 1SDA054117R1 |
Specifications may be subject to change without notice