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Schneider Electric EZ9F34340

Schneider Electric EZ9F34340

MPNEZ9F34340
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Easy9 miniature circuit breaker- 3P - 40 A - C curve - 4500 A - 400 V

Schneider Electric EZ9F34340 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

EZ9F34340 key specifications
ParameterValue
Control typeToggle
Network typeAC
Product or component typeMiniature circuit-breaker
Voltage500 V AC 50/60 Hz conforming to IEC 60898-1
[Ue] rated operational voltage400 V AC 50/60 Hz
[Uimp] rated impulse withstand voltage4 kV conforming to IEC 60898-1
Breaking capacity4500 A Icn at 230 V AC 50/60 Hz conforming to IEC 60898-1 4500 A Icn at 400 V AC 50/60 Hz conforming to IEC 60898-1
Current40 A
[Ics] rated service breaking capacity4.5 kA 100 % x Icn at 400 V AC 50/60 Hz conforming to IEC 60898-1
Network frequency50/60 Hz
Poles3P
Number of protected poles3

All specifications

EZ9F34340 additional specifications
ParameterValue
IP degree of protectionIP20 conforming to IEC 60529
Mounting modeClip-on
Mounting supportDIN rail
Connections - terminalsTunnel type terminal (top or bottom) 1...25 mm² flexible Tunnel type terminal (top or bottom) 1...35 mm² rigid
Pollution degree2
Relative humidity95 % at -25...60 °C
Depth66.5 mm
Width54 mm
ColorGrey (RAL 7035)
Height81 mm
Electrical durability4000 cycles
Mechanical durability10000 cycles
StandardsIEC 60898-1
RangeEasy9
Curve codeC
9 mm pitches6
Tropicalisation2
Local signallingWithout
Device short nameEasy9 MCB
Tightening torque3.5 N.m top or bottom
Device applicationDistribution
Trip unit technologyThermal-magnetic
Magnetic tripping limit5...10 x In
Earth-leakage protectionWithout
Suitability for isolationYes conforming to IEC 60898-1
Contact position indicatorYes
Ambient air temperature for storage-40...85 °C
Ambient air temperature for operation-25...60 °C
MPN
EZ9F34340