A1B 125 TMF 50-500 4p F F
Product ID:92373
Updated: 2026/4/4
Key Features
- 1Deliver up to 18 kA reliable short-circuit protection. 2、Ensure consistent performance with fixed thermal magnetic release. 3、Suit DC applications up to 250 VDC and AC up to 550 VAC. 4、Achieve electrical durability of 1500 cycles and mechanical durability of 8500 cycles. 5、Meet IEC 60947-2 standards for safety and performance.
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 5.5 W |
| Rated Current (In) | Main Circuit 50 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 | TMF |
| Release Type | TM | 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 | Object Classification Code | Q |
| WEEE Category | 5. Small Equipment (No External Dimension More Than 50 cm) | eClass | V11.1 : 27370409 |
| Manufacturer ID | 1SDA066738R1 |
Specifications may be subject to change without notice