Agriculture & outdoor work
Irrigation pumps, fencing, remote buildings.
A farm’s peak loads always arrive when the grid cannot help: post-storm drainage, dawn milking, grain drying. P25 at 2.5 kW runs pumps and small machinery; C24 at 2.0 kWh carries lighting and charging for the remote buildings. IP54 takes dust, rain and mud as the design case, and −10 °C gets through the winter barn. Recharge from the grid by day; at the point of use there is no fuel and no exhaust — in a barn, that is an air-quality question, not just a quiet one.
Field notes in this sector
- Agriculture & outdoor work
A wool shed is a filter, not a load
A wool shed does not fail a power source on kilowatt-hours; it fails it on fibre and on one motor starting against a load. The sizing rule follows the press, the crew clock and the night charge, not the average.
- Agriculture & outdoor work
Only the fan is on the socket
A grain dryer's headline rating is mostly heat, and heat does not come out of a socket. The electrical load is the fan motor: its start, its running draw, and the cool-down hours after the burner stops.
- Agriculture & outdoor work
A dust zone does not ask how many watts
A classified dust area is settled by the site's zone drawing and permit, not by the load list. The documented marks — CE under the EMC Directive 2014/30/EU and UN 3480 class 9 packaging — describe something else, and the sealed, fanless case matters most just outside the line.
- Agriculture & outdoor work
The second milking is the deadline
On a dairy the binding constraint is not the milking load but the interval after it: the bulk tank compressor starts as the parlour empties, and the unit has to be full again before the next shift. A sealed, fanless 230 V unit is sized on two columns, the rated figure for the shift and the peak figure for the motor start, then checked against the recharge window.
- Agriculture & outdoor work
Three-phase work moves. The 400 V point does not.
On most farms the 400 V socket is fixed in one building while the machines that need it move. What a transportable 7,500 W three-phase supply changes, and the 8.1 kWh ceiling it cannot cross.
- Agriculture & outdoor work
After the last person leaves: power for the loads that run unattended
On a farm the hardest load is usually not the biggest one. It is the one that has to keep running at night with nobody on site — and the honest question is what you have planned for the hour the source runs out.
- Agriculture & outdoor work
Irrigation pumps and remote buildings: power with no connection
A pump is the clearest test of a battery system: it starts against a head of water, which means a surge far above its running draw — and then it runs for hours.
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