Supervised power supply with regulated output at 27.6V and 2A with battery charger. Main supply voltage: 110 – 240 Vac. Prevention of total battery discharge. It has two voltage-free relays, loss of main power and battery failure, charger failure and voltage loss at the output. Certified EN54-4:1997 +A1 +A2. White. Battery capacity up to 18 Ah. Dimensions: 400 x 420 x 80 mm.