The Schneider Electric EZD250S 3‑Pole 250 A Molded Case Circuit Breaker (MCCB) is a low‑voltage protective device designed for three‑phase electrical distribution systems in industrial and commercial applications.
Specification Value / Description
Product Series / Family Schneider Electric EasyPact EZD molded case circuit breakers
Device Type Molded Case Circuit Breaker (MCCB)
Model / Designation EZD250S 3‑Pole, 250 A
Number of Poles 3P (three phases)
Rated Current (In) 250 A (at 40 °C typical)
Trip Unit Type Thermal‑magnetic protection
Protection Functions Overload + instantaneous short‑circuit (long‑time and magnetic protection)
Rated Operational Voltage (Ue) Up to 690 V AC three‑phase (typical MCCB range)
Rated Insulation Voltage (Ui) 690 V AC norm (MCCB class)
Rated Impulse Withstand Voltage (Uimp) ~8 kV (common MCCB value)
Breaking Capacity / Interrupting Rating Depends on variant (often 25 kA–36 kA @ 415 V AC)
Mounting / Connection Fixed mount or bolt‑on panel installation
Control / Operation Manual toggle handle
Standards Compliance IEC/EN 60947‑2 for molded case circuit breakers (typical Schneider spec)
Common Application Main or feeder protection in distribution boards and switchgear