Product Model
T4N 320 PR221DS-LS/I In=320 4p F F

Selling Points
- 1High electrical durability with 6000 cycles and 120 cycles per hour.
- 2Robust mechanical performance with 20,000 cycles and 240 cycles per hour.
- 3Fixed four-pole design with front terminals for easy installation.
- 4Solid-state release mechanism for reliable operation.
- 5Meets IEC 60947 standards for safety and performance.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
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 | 4.5 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 | 4 |
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 | 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 | 1SDA054121R1 |
Specifications may be subject to change without notice