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Finder 320V 3 phase 4 Pole ac SPD

1,440

Finder 320V AC SPD for Solar

SPD Type 2 (3 varistors + 1 spark-gap)
• Combination of replaceable varistor and encapsulated spark gap modules with colour code
• Visual and remote signalling of varistor and GDT status
SKU: ACSPD-4P-FN Category:

Description

Overvoltage may occur in electrical installations for various reasons. It may be caused by:

  • Fault in the distribution network as a result of lightning or any work carried out.
  • Lightning strikes (nearby or on buildings and PV installations, or on lightning conductors).
  • Variations in the electrical field due to lightning.

Like all outdoor structures, PV installations are exposed to the risk of lightning which varies from region to region. Preventive and arrest systems and devices should be in place.

SPDs are particularly important to protect sensitive electrical equipment like AC/DC Inverter, monitoring devices and PV modules, but also other sensitive equipment powered by the 230 VAC electrical distribution network.

Technical data:

Maximum continuous operating voltage (UCPV) V AC/DC :320V
Nominal discharge current (8/20 μs) /per module (In) kA: 20
Maximum discharge current (8/20 μs) /per module (Imax) kA: 40
Voltage protection level at In(UP) kV :1.5
Response time (ta) ns :25
Short-circuit proof at maximum overcurrent protection kArms: 50
Maximum overcurrent protection (fuse rating gL/gG): 125 A

Ambient temperature range °C: -40 To 80

Protection degree: IP 20

Remote status signaling contact specification
Wire size : For Solid Cable/ For Stranded cable
mm2 : 1.5
AWG: 16
Wire strip length mm: 10
Screw torque Nm: 4

Characteristics:
• SPD Type 2 (3 varistors + 1 spark-gap)
• Combination of replaceable varistor and encapsulated spark gap modules with colour code
• Visual and remote signalling of varistor and GDT status

• Visual indication of varistor status – Healthy/Replace
• Contact for remote signalling of varistor status.
• Replaceable modules with colour code: white for varistor
• Complies with EN 50539-11:2010
• 35 mm rail (EN 60715) mounting

FAQs:

1.Why solar systems need surge protection?
Solar arrays, like all electronic devices, are prone to surges in voltage that can harm components and increase downtime. Surge protection devices can help keep systems running and profitable.

2. Which type SPD is this?
This is Type 2. Which means Permanently connected SPDs intended for installation on the load side of the service disconnect overcurrent device, including SPDs located at the branch panel.

3. What is the IP rating of this?
This is IP 20. ie; finger-safe construction

Additional information

Country of origin:

Italy

Brand:

Finder

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