Product Name: Ns 1250A MCCB 400V for Low Voltage Switchgear Panel Merlingrelin Model NO.: NS 1250A Certification: ISO9001-2000, CE Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection) Type: Circuit Breaker Poles Number: 4 Structure: ACB Installation: Open frame Arc-extinguishing Medium: Air Speed: Normal Type Circuit Breaker Operation: Electric Type Breaking Capacity: Low Voltage Circuit Breakers Rated Voltage: 400/690VAC Electrical Life(Time): 500-10000times Material: ABS+Copper Busbar Standard: IEC60947-2 Operate Way: Auto Parts Warranty: 2 Years Range: Protect Building Thermal Adjust: 40%-100% Magnetic Adjust: 400%-1000% Trademark: OEM Transport Package: Wooden Specification: CE ROHS Origin: Zhejiang Yueqing HS Code: 85362000 Product Description NS 1250A MCCB 400v for low voltage switchgear panelNS MCCBItem No.NSX100/160/250NSX400/630NS800-1600Number of poles:3P4P3P4P3P4PControlManualwith togglewith direct or extended rotary handleConnectionsFixedfront connectionsPlug-infront conections/rear connectionsElectrical characteristics as per IEC60947-2 and EN60947-2Rated current(A)In100A,160A,250A400A,630A800, 1000,1250,1600Rated operating voltage(V)UeAC50/60Hz, 690VRated insulation voltage(V)Ui800VRated impulse withstand voltage(kV)Uimp8kVUtilization categoryAOperation performanceMechanical8500600010000Electrical150010005000