High-performance moulded case circuit breaker with thermomagnetic release, ideal for reliable protection in various applications.
Product ModelA1B 125 MF 70-840 3p F F
Material Number1SDA076699R1
Product ID92580
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliable ProtectionThe ABB A1B 125 MF 70-840 3p F F is designed to provide reliable protection against short circuits and overloads, ensuring the safety of your electrical system.
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2. High DurabilityWith a mechanical durability of 8500 cycles and electrical durability of 1500 cycles, this circuit breaker is built to withstand the demands of your application.
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3. Efficient DesignThe thermomagnetic release mechanism ensures quick and efficient operation, minimizing downtime and maximizing system availability.
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4. Versatile ApplicationSuitable for a wide range of applications, including transformer and generator installations, this circuit breaker is versatile and adaptable to various 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
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
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5. Compliance and CertificationsMeets IEC standards and is CE compliant, ensuring that it meets the highest safety and performance standards in the industry.
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 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) 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
