A1C 125 TMF 125-1250 4p F F
Product ID:90919
Updated: 2026/4/6

Key Features
- 1Ensure long-lasting performance with 1500-cycle electrical durability. 2、Provide reliable short-circuit protection via advanced TMF release. 3、Meet rigorous IEC standards for safety and performance compliance. 4、Enable efficient installation with easy front terminal connection. 5、Save space in panels using compact 101.6x130x60 mm dimensions.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Environmental Information | 1SDL000183R0001 9AKK108467A6707 | Product Net Width | 101.6 mm |
| Product Net Height | 130 mm | Product Net Depth / Length | 60 mm |
| Product Net Weight | 1 kg | Product Main Type | SACE FORMULA |
| 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 | 4P |
| Opening Time | CB with SOR 15 ms CB with UVR 15 ms | Power Loss | at Rated Operating Conditions per Pole 11 W |
| Rated Current (In) | Main Circuit 125 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) 15 kA (380 V AC) 12.5 kA (415 V AC) 6.25 kA (440 V AC) 5 kA (480 V AC) 4 kA (500 V AC) 2.5 kA (250 V DC) 2 Poles in Series 5 kA | Rated Ultimate Short-Circuit Breaking Capacity (Icu) | (240 V AC) 30 kA (380 V AC) 25 kA (415 V AC) 25 kA (440 V AC) 20 kA (480 V AC) 15 kA (500 V AC) 8 kA (250 V DC) 10 kA |
| Rated Uninterrupted Current (Iu) | 125 A | Release | TMF |
| Release Type | TM | Short-Circuit Performance Level | C |
| 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 | Object Classification Code | Q |
| WEEE Category | 5. Small Equipment (No External Dimension More Than 50 cm) | eClass | V11.1 : 27370409 |
| Manufacturer ID | 1SDA066756R1 |
Specifications may be subject to change without notice
