Fuse Size	B1-B4
Fuse Type	British Standard
Operating Mechanism	Front Operated
Position of Line Terminals	Top In - Bottom Out, Bottom In - Top Out
Rated Insulation Voltage	1000 V
Rated Operational Current AC-21A (A)	(500 V) 315 A (690 V) 315 A
Rated Operational Current AC-22A (A)	(380 ... 415 V) 315 A (500 V) 315 A (690 V) 315 A
Rated Operational Current AC-23A (A)	(380 ... 415 V) 315 A (500 V) 315 A (690 V) 315 A
Rated Operational Power AC-23A (kW)	(220 ... 240 V) 100 kW (400 V) 160 kW (415 V) 180 kW (500 V) 220 kW (690 V) 315 kW
Rated Short-time Withstand Current Low Voltage - Icw (A)	for 1 s 14 kiloampere rms
Switching Type	12 (Between the Poles)
Terminal Width (mm)	25 mm
Type of Mounting	Base mounting
Brand	ABB
Conventional Free-Air Thermal Current - Ith (A)	T = 40 °C 315 A
Conventional Thermal Current - Ithe (A)	Fully Enclosed 315 A
Dimensions (mm)	230 * 255 * 176 [HWD]
Handle Type	Pistol handle and shaft included
No. of Poles	3
Pollution Degree	3
Power Loss (W)	at Rated Operating Conditions per Pole 32 W
Rated Conditional Short-Circuit Current - Inc (kA)	(690 V) 80 kA
Rated Current (A)	Main Circuit 315 A
Rated Impulse Withstand Voltage (kV)	12
Rated Operational Voltage AC (V)	Main Circuit 690 V AC
Standards	IEC 60947-3
Terminal Type	Lug terminals
Tightening Torque (Nm)	30 ... 44 N·m

Switch Disconnectors

ABB FUSE SWITCH 315A 3P F/OPER IP65 HANDLE+SHAFT B1-B4 FUSES CENTRE MECH OS315B12P