CrimpComponent folio · Charger · Redarc
BMS12075
75 A 12 V battery management system: combined DC-DC (alternator), MPPT solar and AC shore-power charging with Green Power Priority. Compatible with lithium, AGM, gel, calcium and lead-acid.
Open in Crimp →Reference image unavailable
Redarc Manager Alpha75 · 8 terminals
01 — Reference run
A sizing result with its assumptions attached.
Conductor4 AWG25 mm²
Fuse100 Apositive run
Voltage drop2.6%9.8 ft one way
Design current75 A12 V system
Sized against ABYC E-11 — the US reference, and what Transport Canada accepts as an alternative to TP 1332 for pleasure craft under 24 m. The Crimp engine applies its ordinary continuous-load headroom, voltage-drop budget, terminal clamp, and standard fuse ladder. The 9.8 ft one-way run is a stated reference, not a universal installation prescription.
02 — Catalog specification
The part the engine actually sees.
- Rated power
- 1,200 W
- Rated output
- 75 A
- Typical charge current
- 70 A
- PV open-circuit limit
- 32 V
- Canvas footprint
- 240 × 160 px
Terminal map
| Terminal | Polarity | Direction | Rating |
|---|---|---|---|
| ALT + | positive | input | 100 A |
| PV + | positive | input | 40 A |
| PV − | negative | input | 40 A |
| AC L | neutral | input | 16 A |
| AC N | neutral | input | 16 A |
| AC ⏚ | ground | bidi | 16 A |
| BATT + | positive | output | 100 A |
| BATT − | negative | output | 100 A |
03 — Supporting parts
What belongs around it.
- 19.7 ft total of 4 AWG (25 mm²) marine cable
- Four 4 AWG cable lugs matched to the equipment studs
- 100 A fuse and holder on the positive run
- Heat-shrink, strain relief, and terminal boots sized to the cable
See what it changes in your system
With JavaScript enabled, describe your existing boat, van, or off-grid system here. The model supplies topology; Crimp's engine computes the attachment, resized runs, checks, and supporting basket.