ABB A1A 125 TMF 70-700 4P FF: A reliable, thermomagnetic release circuit breaker with front terminals, suitable for transformer and generator installations.
Product ModelA1A 125 TMF 70-700 4p F F
Material Number1SDA066531R1
Product ID93189
Stock on Request
Last updated: 8/29/2026
Key Features
1
1. High ReliabilityThe ABB A1A 125 TMF 70-700 4P FF circuit breaker is engineered to provide consistent and reliable performance, ensuring minimal downtime and maximum safety in electrical operations.
2
2. Thermomagnetic ReleaseEquipped with a thermomagnetic release mechanism, this circuit breaker automatically trips in case of an overload or short circuit, protecting the electrical system from damage.
3
3. Front Terminal ConnectionFeaturing front terminals, the ABB A1A 125 TMF 70-700 4P FF makes it easy to connect and disconnect electrical wires, reducing the risk of electrical shock and improving overall safety.
4
4. Wide Application RangeDesigned for various applications, including transformer and generator installations, this circuit breaker is versatile and can be used in a wide range of electrical systems.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
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
5
5. Compliance with International StandardsThe ABB A1A 125 TMF 70-700 4P FF meets international standards (IEC), ensuring it is compatible with global electrical systems and regulations, making it a reliable choice for international projects.
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 8 W
Rated Current (In)
Main Circuit 70 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) 5 kA (415 V AC) 5 kA (440 V AC) 4 kA (480 V AC) 3.75 kA (500 V AC) 2.5 kA (250 V DC) 2 Poles in Series 2.5 kA