Recommended Upstream Protection and Cable Sizes for 500 kW UPS

	Maximum OCPD (A)				Conductors per Phase Copper/Aluminium (mm²)				PE Conductor (mm²)
	380 V	400 V	415 V	440 V	380 V	400 V	415 V	440 V	380 V	400 V	415 V	440 V
Input	1000Long-time setting (I_r) = 0.90.*	1000Long-time setting (I_r) = 0.90.*	1000Long-time setting (I_r) = 0.90.*	1000Long-time setting (I_r) = 0.90.*	2x240/ 3x185	2x240/ 3x185	2x240/ 3x185	2x240/ 3x185	1x240/ 2x150	1x240/ 2x150	1x240/ 2x150	1x240/ 2x150
Bypass	800Long-time setting (I_r) = 0.98.*	800Long-time setting (I_r) = 0.95.*	800Long-time setting (I_r) = 0.9.*	800Long-time setting (I_r) = 0.9.*	2x185/ 2x240	2x150/ 2x240	2x150/ 2x240	2x150/ 2x240	1x185/ 1x240	1x150/ 1x240	1x150/ 1x240	1x150/ 1x240
Output	800Long-time setting (I_r) = 0.98.*	800Long-time setting (I_r) = 0.95.*	800Long-time setting (I_r) = 0.9.*	800Long-time setting (I_r) = 0.9.*	2x185/ 2x240	2x150/ 2x240	2x150/ 2x240	2x150/ 2x240	1x185/ 1x240	1x150/ 1x240	1x150/ 1x240	1x150/ 1x240
Battery	2000	2000	2000	2000	3x185/ 3x185	3x185/ 3x185	3x185/ 3x185	3x185/ 3x185	2x150/ 2x185	2x150/ 2x185	2x150/ 2x185	2x150/ 2x185