Arc Fault Detection Unit
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DETECTION UNIT •HHfr— santon superior switch solutions

the santon Visual arc fault indicator Power signal Reset button DETECTION UNIT Power connection External signal connection The Arc fault Detection Unit (ADU) offers extra safety, efficiency and acoustic arc fault indicator convenience to any PV system. The electronic device developed specifically for PV systems detects arc faults within a string and gives String connection both visual and acoustic feedback the moment an arc fault occurs. An arc fault occurs when loose or corroded connections make intermittent contact and cause sparking or arcing between the connections. This translates into...

SPECIFICATIONS AND APPLICATIONS Technical specifications Type code: ADU Weight: 200g DIN rail mounting: DIN Rail TS35 Wall mounting: M4 mounting holes Operational voltage: 24V DC (+/- 10%) Current consumption: 0.2A Operational durability: > 10 years Operating temperature: -20°C to +70°C Storage temperature: -40°C to +85°C Category: PV AFD - Type 1 (UL1699B) Maximum rated voltage: 1000V DC Maximum rated current: 40A Number of poles: 1 pole Advised cable size: 6 mm2 Maximum cable size: 10 mm2 • For 1 string • 5 x M16 cable glands • 1 spring terminal 6 mm2 • For 2 strings • 9 x M16 cable...

• For home and professional use • Detection of series arc faults • For DIN rail and wall mounting • Visible and acoustic arc fault indication • Developed acc. UL1699B • Supplied loose or in PV boxes • Easy to install • Integration with external safety systems info@santonswitchgear.com, www.santonswitchgear.com © copyrights Santon International bv