T5S400 MCP-UL/CSA PR221DS-I In=300 3p FF
Product ID:75301
Updated: 2026/7/22
Key Features
- 1Ensure reliable 300A circuit protection with UL/CSA certification.
- 2Prevent costly downtime using a high-performance magnetic release mechanism.
- 3Simplify installation in three-phase systems with front terminal connections.
- 4Achieve long-term operational savings through durable, maintenance-friendly design.
- 5Secure fast delivery and custom configuration options for immediate project needs.
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Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Environmental Information | 9AKK10103A1056 9AKK108467A6707 | Product Net Width | 140 mm |
| Product Net Height | 205 mm | Product Net Depth / Length | 103.5 mm |
| Product Net Weight | 5.1 kg | Product Main Type | SACE Tmax T |
| Product Name | Moulded Case Circuit Breaker | Product Type | Automatic Circuit Breaker |
| Suitable For | T5 | Suitable for Product Class | Moulded Case Circuit Breakers |
| Version | F | Mechanical Durability | 20000 cycle 120 cycles per hour |
| Number of Poles | 3 | Power Loss | at Rated Operating Conditions per Pole 9.3 W |
| Rated Current (In) | 300 A | Rated Impulse Withstand Voltage (Uimp) | 8 kV |
| Rated Insulation Voltage (Ui) | 1000 V | Rated Operational Voltage | 600 V AC |
| Rated Uninterrupted Current (Iu) | 400 A | Release | PR221DS-I |
| Release Type | EL | Short-Circuit Performance Level | S |
| Standards | UL | Sub-type | T5 |
| Terminal Connection Type | Fixed Circuit-Breakers Front | Test Voltage Max (Utest) | 3500 V |
| Interrupting Rating acc. to UL489 | (240 V AC) 100 kA (480 V AC) 35 kA (600 V AC) 25 kA | ETIM 8 | EC000228 - Power circuit-breaker for trafo/generator/installation protection |
| ETIM 9 | EC000228 - Power circuit-breaker for trafo/generator/installation protection | IDEA Granular Category Code (IGCC) | 4932 >> 3 Pole Non-Interchangeable Trip Electronic Circuit Breakers |
| UNSPSC | 39121616 | WEEE Category | 5. Small Equipment (No External Dimension More Than 50 cm) |
| eClass | V11.1 : 27370409 | Manufacturer ID | 1SDA059462R1 |
Specifications may be subject to change without notice
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