The Schneider Electric EA9AH 4‑Pole C125A Miniature Circuit Breaker (MCB) is a compact protective device designed for low‑voltage AC electrical distribution systems.
Specifications
Parameter Specification
Manufacturer Schneider Electric
Product Series Easy9 (EA9AH)
Device Type Miniature Circuit Breaker (MCB)
Model / Ordering Code EA9AH4C125NEW
Poles 4P (three phases + neutral)
Trip Characteristic C‑curve thermal‑magnetic
Rated Current (In) 125 A
Rated Operational Voltage (Ue) 230/400 V AC (50/60 Hz)
Network Type Alternating Current (AC)
Breaking Capacity 10 kA (IEC 60898, typical)
Rated Insulation Voltage (Ui) ~500 V AC (standard for Easy9)
Rated Impulse Withstand (Uimp) ~4 kV typical
Standards / Compliance GB/T 10963 / IEC 60898‑1
Mounting DIN‑rail (35 mm)
Terminal Type Tunnel / screw terminals
Mechanical Life ~20,000 operations (typ)
Electrical Life ~5,000 operations for 80–125 A range (typ)