products
HomeProductsABBABB ACB SeriesABB F-Series (Megamax) Air Circuit Breaker

ABB F-Series (Megamax) Air Circuit Breaker

The ABB F-series (Megamax) air circuit breaker is a proven and reliable choice for low-voltage power distribution. Featuring a modular design, a wide current range (630A to 6300A), and various breaking capacity ratings, it flexibly meets the protection requirements of diverse power supply systems. Equipped with intelligent electronic trip units (such as the PR1/P and AR1 series) that support long-time, short-time, instantaneous, and ground-fault protection—and available in both fixed and draw-out versions—it ensures the safety and continuous operation of power systems in applications ranging from industrial distribution and building electrical systems to energy management.

Product Details

ABB F Series (Megamax) Product Overview
The F-series product line covers application needs from medium to large capacity, and is available in both fixed and withdrawable installation methods to facilitate the layout design of different distribution cabinets.
Frame Model Corresponding frame current (Iu) Typical rated current range (In)
F1 630A - 1600A 250A, 400A, 800A, 1250A, 1600A
F2 800A - 2500A 800A, 1250A, 1600A, 2000A, 2500A
F4 2000A - 4000A 2000A, 2500A, 3200A, 4000A
F5/F6 4000A - 6300A 4000A, 5000A, 6300A

 

Model
F1S1250 F1H1250
F1S1600 F1H1600
F1S2000 F1H2000
F2S2500 F2H2500
F4S3200 F4H3200
F5S4000 F5H4000

 

Performance comparison of different frames
Parameters F1 (Max 1600A) F2 (Max 2500A) F4 (Max 4000A)
Rated breaking capacity Icu (AC 415V) B: 42kA / N: 50kA / S: 65kA / H: 85kA / V: 100kA B: 42kA / N: 50kA / S: 65kA / H: 85kA / V: 100kA / L: 120kA N: 65kA / S: 85kA / H: 100kA
Rated breaking capacity Ics 100% Icu 100% Icu 100% Icu
Rated short-time withstand current Icw (1s) 42/50kA 50 / 65kA 65/85kA
Use category B (Applicable to selective protection) B B
Extreme number 3-pole/4-pole 3-pole/4-pole 3-pole/4-pole
Installation method Fixed / Withdrawable Fixed / Withdrawable Fixed / Withdrawable
Rated impulse withstand voltage (Uimp) 12kV 12kV 12kV
Rated insulation voltage (Ui) 1000V 1000V 1000V
Rated operating voltage (Ue) AC 690V / 50-60Hz AC 690V / 50-60Hz AC 690V / 50-60Hz
Additional notes: Different suffix letters represent different breakpoint levels. B is the basic type, N is the standard type, S is the high breakpoint type, H/V is the current-limiting high breakpoint type, and L is the extremely high current-limiting type.

 

External dimensions and installation
Model Extreme number Fixed type (width × depth × height) Pull-out type (width × depth × height)
F1 3P 210×183×296 mm 278×271×363.5 mm
F1 4P 280×183×296 mm 384×271×363.5 mm
F2 3P 276×270×371 mm 317×383×425 mm
F2 4P 317×270×371 mm 407×383×425 mm
F4 3P 384×270×371 mm 425×383×425 mm
F4 4P 510×270×371 mm 551×383×425 mm

Applicable Scenarios:

Industrialmanufacturing Energy Generation Renewable Energy Petroleum and Natural Gas
Industrialmanufacturing Energy Generation Renewable Energy Petroleum and Natural Gas
Automotive factories, steel mills, chemicalplants, paper mills, cement plants Thermal power plants, hydropower stations, gas-fired power plants Wind farms, photovoltaic power stations Refineries, LNG receiving stations, oil pipelines
Ship and Marine Engineering Commercial Buildings Infrastructure Mining
Ship and Marine Engineering Commercial Buildings Infrastructure Mining
Cargo ships, cruise ships, drilling platforms Super high-rise office buildings, large shopping centers, hotels Airport, subway/railway hub, data center Underground mines, open-pit mines

 

Online Inquiry

Related Products

ABB F-Series (Megamax) Air Circuit Breaker

ABB F-Series (Megamax) Air Circuit Breaker

The ABB F-series (Megamax) air circuit breaker is a proven and reliable choice for low-voltage power distribution. Featuring a modular design, a wide current range (630A to 6300A), and various breaking capacity ratings, it flexibly meets the protection requirements of diverse power supply systems. Equipped with intelligent electronic trip units (such as the PR1/P and AR1 series) that support long-time, short-time, instantaneous, and ground-fault protection—and available in both fixed and draw-out versions—it ensures the safety and continuous operation of power systems in applications ranging from industrial distribution and building electrical systems to energy management.

ABB Emax series air circuit breakers, low-voltage terminal power distribution products

ABB Emax series air circuit breakers, low-voltage terminal power distribution products

As the flagship product in ABB’s low-voltage power distribution portfolio, the Emax series of air circuit breakers has undergone continuous evolution. Thanks to comprehensive, reliable electrical performance, an ultra-compact design, and ongoing advancements—ranging from traditional distribution protection to intelligent energy management—the series delivers core solutions that combine high safety with exceptional efficiency across a wide spectrum of sectors, including industrial manufacturing, critical infrastructure, and renewable energy.

Emax 2 Series Air Circuit Breaker

Emax 2 Series Air Circuit Breaker

The Emax 2 series air circuit breakers cover the full spectrum of power distribution needs with a frame rating of up to 6300A, evolving from traditional protective devices into comprehensive energy management platforms that integrate protection, measurement, control, and communication. Their unique energy control capabilities enable active load management and peak-shaving/valley-filling, significantly reducing electricity costs, while a compact design saves up to 20% of switchgear space. Equipped with Ekip Touch smart touch-screen trip units and supporting a wide range of industrial communication protocols, they enable full-lifecycle digital management—from local operations and maintenance to cloud connectivity.

WhatsApp: +852-90635157
WeChat

+852-90635157

song@zhongkong-electric.com