A1B 125 MF 40-480 3p F F
Product ID:92120
Updated: 2026/4/4

Key Features
- 1Achieve up to 12.5 kA at 240 V AC and 9 kA at 380 V AC. 2、Ensure reliable and fast tripping during short circuits. 3、Suit various installations like transformers and generators. 4、Install easily with convenient front terminals. 5、Withstand 1500 electrical and 8500 mechanical cycles.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Environmental Information | 1SDL000183R0001 9AKK108467A6707 | Product Net Width | 76.2 mm |
| Product Net Height | 130 mm | Product Net Depth / Length | 60 mm |
| Product Net Weight | 0.75 kg | Product Main Type | SACE FORMULA DSA |
| Product Name | Moulded Case Circuit Breaker | Product Type | Automatic Circuit Breaker |
| Version | F | Electrical Durability | 1500 cycle |
| Mechanical Durability | Nr. Operations 8500 cycle | Number of Poles | 3P |
| Rated Current (In) | Main Circuit 40 A | Rated Impulse Withstand Voltage (Uimp) | 6 kV |
| Rated Insulation Voltage (Ui) | 690 V | Rated Operational Voltage | 550 V AC 250 V DC |
| Rated Service Short-Circuit Breaking Capacity (Ics) | (240 V AC) 12.5 kA (380 V AC) 9 kA (415 V AC) 5 kA (440 V AC) 5 kA (480 V AC) 5 kA (500 V AC) 2.5 kA (250 V DC) 2 Poles in Series 2.5 kA | Rated Ultimate Short-Circuit Breaking Capacity (Icu) | (240 V AC) 25 kA (380 V AC) 18 kA (415 V AC) 18 kA (440 V AC) 15 kA (480 V AC) 10 kA (500 V AC) 5 kA (250 V DC) 5 kA |
| Rated Uninterrupted Current (Iu) | 125 A | Release | MF |
| Release Type | M | Short-Circuit Performance Level | B |
| Standards | IEC | Sub-type | A1 |
| Terminal Connection Type | Front | ETIM 8 | EC000228 - Power circuit-breaker for trafo/generator/installation protection |
| ETIM 9 | EC000228 - Power circuit-breaker for trafo/generator/installation protection | WEEE Category | 5. Small Equipment (No External Dimension More Than 50 cm) |
| eClass | V11.1 : 27370409 | Manufacturer ID | 1SDA076696R1 |
Specifications may be subject to change without notice
