CrimpComponent folio · Load · ATI
12V 300W
12V resistive immersion element for boat/van water tanks. 300 W ≈ 25 A continuous while heating; thermostatically cycled, so daily energy depends on use (default 1.5 h/day equivalent for warm-water rinse).
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ATI 12V Water Heater 300W · 2 terminals
01 — Reference run
A sizing result with its assumptions attached.
Conductor10 mm²8 AWG
Fuse35 Apositive run
Voltage drop2.2%3 m one way
Design current25 A12 V system
The Crimp engine applies its ordinary continuous-load headroom, voltage-drop budget, terminal clamp, and standard fuse ladder. The 3 m one-way run is a stated reference, not a universal installation prescription.
02 — Catalog specification
The part the engine actually sees.
- Compatible systems
- 12 V
- Rated power
- 300 W
- Continuous draw
- 25 A
- Canvas footprint
- 220 × 110 px
Terminal map
| Terminal | Polarity | Direction | Rating |
|---|---|---|---|
| + | positive | input | 35 A |
| − | negative | input | 35 A |
03 — Supporting parts
What belongs around it.
- 6 m total of 10 mm² (8 AWG) marine cable
- Four 10 mm² cable lugs matched to the equipment studs
- 35 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.