Product Model
T4S 250 PR221DS-I In=250 3p F F

Selling Points
- 1High Performance: Designed for reliable operation in industrial environments.
- 2Compliant with IEC 60947: Meets international standards for safety and performance.
- 3Solid-State Release: Ensures efficient and reliable short-circuit protection.
- 4Thermal Magnetic Trip: Provides dual protection against overload and short circuits.
- 5Compact Design: Easy to install and integrate into various electrical systems.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
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 | 8000 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 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) 85 kA (230 V AC) 85 kA (380 V AC) 50 kA (400 V AC) 50 kA (415 V AC) 50 kA (440 V AC) 40 kA (500 V AC) 30 kA (690 V) 25 kA |
Rated Ultimate Short-Circuit Breaking Capacity (Icu) | (220 V AC) 85 kA (230 V AC) 85 kA (380 V AC) 50 kA (400 V AC) 50 kA (415 V AC) 50 kA (440 V AC) 40 kA (500 V AC) 30 kA (690 V AC) 25 kA | Rated Uninterrupted Current (Iu) | 250 A |
Release | PR221DS-I | Release Type | EL |
Short-Circuit Performance Level | S | 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 | 1SDA054026R1 |
Specifications may be subject to change without notice