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PV-DC-Junction box

FWS3.K2x10.K2x10
Part Number: 157350
FWS3.K2x10.K2x10
  • Fire department switch for 3 MPP trackers / 2 strings
  • Integrated surge protection (PV DC type 1+2 / AC type 2+3)
  • Protection class IP65
  • Connection via spring-loaded terminals
  • Manual shutdown via emergency switch
  • Automatic shutdown in the event of a power failure
  • Automatic restart when power is restored
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With the FWS3 fire switch, CITEL offers a solution for safely shutting down photovoltaic systems in the event of a fire. In addition, the integrated type 1+2 surge protection device protects the photovoltaic system against the effects of lightning and surges. The FWS3 is designed to protect 3 MPP trackers and has a rated voltage of Un: 1000 Vdc.
Select another reference:
SPD type
IEC

PV-DC Type 1+2 and AC Type 2+3
Network

PV network 1000 Vdc
Nominal DC voltage
 Un-dc

1000 Vdc
Rated insulation voltage
Ui
 Ui

1500 Vdc
Rated current
InA
 InA

3x 20 A
Rated string current
 InC

3x 50 A
Control voltage (switch)

100 Vac - 270 Vac 50/60Hz
Weight

1.648 kg
Input / per MPPT

Spring terminals / 2x 6-10 mm²
Output / per MPPT

Spring terminal / 2x 6-10mm²
Ground connection terminal

Screw terminal max. 16mm²
Cable gland

M32 with MDI (Ø 6mm)
Housing material

UV and ozone resistant, fiberglass reinforced polycarbonate with semi-transparent cover
Dimensions

WxHxD (mm): 360 x 270 x 184
Ambient temperatures

-20°C to +40°C
Humidity

95% (non-condensing)
Protection rating

IP 65
Protection class

Class II
Impact resistance

IK 10
Pressure compensation element

Existing
Standards compliance

EN 61439-1 / EN 61439-2 / IEC 60364-7-712:2017-04