Note: This system uses a phase-failure relay with an adjustable delay)
1 x delayed phase-failure relay in weatherproof enclosure - US$130
1 x quad-band GSM dialler in weatherproof enclosure - US$425
1 x 12V DC power supply with 1.2Ah lead-acid battery backup - US$70
The IP65 enclosure containing the phase-failure relay and the 12V power supply and battery is 240 x 190 x 90mm and the enclosure containing the dialler is 150 x 110 x 70mm.
Total - US$625
Note: a 240V ac supply will be required for the 12V power supply, to trickle-charge the backup battery. When the power fails, the battery will maintain 12Vdc on the dialler to allow it to function.
Carriage on this system to Guatemala will be US$80. $16 of this will be applied at the checkout stage, and the remaining $64 will bring the online-order value to US$689.
