Technical Parameters
Parameter Specification
Series / Product Type ABB Emax 2 Series / Fixed-Mounting Air Circuit Breaker (ACB)
Full Order Code A3N630 TMF500/5000 FF 3P
Frame Size / Rated Current (In) E2 / 630 A (Rated continuous current)
Number of Poles 3-Pole (3P)
Trip Unit Electronic Trip Unit (ETU) - Micrologic F (TMF)
Current Sensor (CT) Ratio 5000/500 A (Primary/Secondary)
Protection Functions (FF) L-S-I-G
• L - Long-time Overload Protection (adjustable Ir, tr)
• S - Short-time Short-Circuit Protection (adjustable Isd, tsd)
• I - Instantaneous Short-Circuit Protection (adjustable Ii)
• G - Ground-Fault Protection (adjustable Ig, tg)
Rated Operational Voltage (Ue) 690V AC
Rated Insulation Voltage (Ui) 1000V AC
Rated Ultimate Short-Circuit Breaking Capacity (Icu) Up to 85 kA at 415V AC (for E2 frame, exact value depends on certification).
Rated Service Short-Circuit Breaking Capacity (Ics) Up to 100% of Icu (e.g., 85 kA).
Mechanical Life 20,000 operations
Electrical Life 5,000 operations at In
Communication Capability The TMF unit typically has a built-in communication port (e.g., for connection to an Ekip Com module for communication protocols like Modbus).
Mounting Fixed Mounting (for panel assembly).
Connection Front and/or rear connection for busbars or cables.
Standards Compliance IEC/EN 60947-1, IEC/EN 60947-2
Ambient Temperature -25°C to +70°C (Operation)
The ABB A3N630 TMF500/5000 FF 3P is a high-performance, fixed-mounted, three-pole Air Circuit Breaker (ACB) from ABB's renowned Emax series (E框架). It is designed for primary power distribution and protection in large commercial buildings, industrial plants, and critical infrastructure.