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Verwendung



The external supply device NEWTOS AM1 is planned primarily for use in PV systems, but it also can be used in other applications, the identification and reporting of arcs (AC + DC) and protective reactions.

The use in a PV system is not bound, the device can be used immediately in the vicinity of the inverter (and possibly also supplied through this with the operating voltage ), or be used deposed near the generator field with external power supply. A remote access to reset and test functions is given.

Through a relay with potential free contacts each type of alarm can be enabled (optical, acoustic, GSM and others). Similarly, the downstream relay motor switch, power relay, inter alia, operate to shut down the arc triggering energy.

The adjustability of the arc sensor can be easily adapted to PV systems, with varying levels of interference on the DC string, long string lines or losses by eg Filter in the inverter.

Advantageous implementation of solar/ string cable through the device without additional manufacturer-specific connector (- resistors)

Box Dimensions 150x75x200 (mm) plus supernatants cable glands , polycarbonate , base light gray ( similar to RAL 7035) , upper part transparent, UL94V2 (UL94 - VO possible) , UV-resistant, dielectric strength 28kV/mm ( IEC243 ) , degree of protection according to DIN 60529 : IP65, optional DIN rail mounting option
monitoring 1-5 PV string lines ( preferably positive cable ) with cable diameters up to 9mm (equivalent to about 10qmm cable cross section) and dielectric strength of the cable up to 1500V and currents according to cable cross-section. Cables are routed through two M16 cable glands and the throttle sensor
Method Cables are routed through two M16 cable glands and the throttle sensor
 evaluated AM demodulation and RF rectification , adjustable sensitivity
Ads by string Green LED (standby / measurement) , yellow LED (Alarm) , switchable audible alarm transmitter , acting on all strings
Controls green button : reset button red: test Libo detection ( UL1699B )

supply voltage
24VDC (+ / -10%) , AC supply on request , power supply for indoor use in delivery , for outdoor use on request. Interrupt request on security , protection class 2
Power consumption max. 5W (5x alarm active) , Standby < 3W (5 sensors active)
Internal connections  5x3 CageClamp relay changer max. 4A/30VDC , 2x CageClamp reset externally , 2xCageClamp examination externally , CageClamp recording: wires 0.08 to 2.5 sq. mm cross sectio
Protection 4A/30VDC , 2x CageClamp reset externally , 2xCageClamp examination externally , CageClamp recording: wires 0.08 to 2.5 sq. mm cross section
 ceramic tube fuse 5x20mm , 0.315 A slow blow
weight
TBD
Air 0-99 % rel. Humidity, air pressure max. 2000m above sea level , pressure compensation element
Working temperature range 2000m above sea level , pressure compensation element
 -25C to +85 C, Storage : -40C to +85 C
Degree of protection IP65, unused housing holes sealed

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