T4L 250 PR221DS-I In=250 4p F F
Product ID:75749
Updated: 2026/4/11

Key Features
- 1Ensure reliable 250A current handling for efficient power distribution. 2、Install easily with front terminals designed for copper cables. 3、Achieve up to 8000 cycles of electrical durability for long service life. 4、Meet IEC 60947 standards and RoHS compliance for safety. 5、Utilize solid-state release technology for high-performance AC operation.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Environmental Information | 9AKK10103A1057 | Product Net Width | 140 mm |
| Product Net Height | 205 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 | Automatic Circuit Breaker |
| Suitable For | T4 | Suitable for Product Class | Moulded Case Circuit Breakers |
| Version | F | Electrical Durability | 8000 cycle 120 cycles per hour |
| Mechanical Durability | 20000 cycle 240 cycles per hour | Number of Poles | 4 |
| Power Loss | at Rated Operating Conditions per Pole 10.7 W | Rated Current (In) | 250 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) 200 kA (230 V AC) 200 kA (380 V AC) 120 kA (400 V AC) 120 kA (415 V AC) 120 kA (440 V AC) 100 kA (500 V AC) 85 kA (690 V) 70 kA |
| Rated Ultimate Short-Circuit Breaking Capacity (Icu) | (220 V AC) 200 kA (230 V AC) 200 kA (380 V AC) 120 kA (400 V AC) 120 kA (415 V AC) 120 kA (440 V AC) 100 kA (500 V AC) 85 kA (690 V AC) 70 kA | Rated Uninterrupted Current (Iu) | 250 A |
| Release | PR221DS-I | Release Type | EL |
| Short-Circuit Performance Level | L | 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 | 1SDA054086R1 |
Specifications may be subject to change without notice
