MPPT charge controller User Manual
Tab le 3-3 Breaker Requirement
NO. Parts Description Requirement
1 Battery breaker
SP100-40
(1) The voltage requirement is greater than 63V.
(2) The current requirement is greater than 63A.
SP100-20
(1) The voltage requirement is greater than 63V.
(2) The current requirement is greater than 32A.
SP50-40
(1) The voltage requirement is greater than 63V.
(2) The current requirement is greater than 63A.
SP50-20
(1) The voltage requirement is greater than 63V.
(2) The current requirement is greater than 32A.
2 PV array breaker
SP100-40
(1) The voltage requirement is greater than100V.
(2) The current requirement is greater than 40A.
SP100-20
(1) The voltage requirement is greater than 100V.
(2) The current requirement is greater than 32A.
SP50-40
(1) The voltage requirement is greater than 50V.
(2) The current requirement is greater than 40A.
SP50-20
(1) The voltage requirement is greater than 50V.
(2) The current requirement is greater than 32A.
3.4.3 Cable Preparation
Cable with minimum 90℃ (194F) insulation rating was recommended to be used for SP
installation.
Minimum wire size requirements are shown in the Table 3-4
Tab le 3-4 Recommended DC wiring
Model
Recommended DC wiring
2 meters 3 meters 5 meters 7 meters
10A 12AWG 4mm² 12AWG 4mm² 10AWG 6mm² 8AWG 10mm²
20A 10AWG 6mm² 10AWG 6mm² 8AWG 10mm² 6AWG 16mm²
30A 10AWG 6mm² 8AWG 10mm² 6AWG 16mm² 6AWG 16mm²
40A 8AWG 10mm² 6AWG 16mm² 6AWG 16mm²