Specifications

Product Type Miniature Circuit Breaker	Brand ABB	Series M300P
Application Industrial installations

No. of Poles (Total) 4	Rated Impulse Withstand Voltage (Uimp) 6kV	Rated Insulation Voltage (Ui) 500V
Rated Current (In) 40A	Rated Frequency 50/60Hz	Rated Voltage (Ur) 415V AC
Trip Curve D	Terminal Type Screw Terminals	Electrical Life 10000 cycles
Mechanical Life 20000 cycles

Conductor Cross Section Flexible

0.75mm² to 25mm²

Conductor Cross Section Solid Core

0.75mm² to 35mm²

Housing Material

Insulation group I, RAL 7035

Depth 69mm	Height 88mm	Weight 0.48kg
Width 70mm	Width in No. of Modular Spacing 4	Pole Width 17.5mm

Pollution Degree 3	Storage Temperature -50°C to 70°C	Operating Temperature -40°C to 70°C
IP Rating IP20, IP40 in enclosure with cover

Standards and Approvals

IEC/EN 60947-2

Rated Ultimate Short- Circuit Breaking Capacity (Icu), acc. to AS/NZS 60947-2 at 400 VAC

25kA

ABB M304PD40 Miniature Circuit Breaker 12.5 kA 4-P 40A 415V D-Magnetic Curve