PV-DC-Junction box
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
- Remote signaling (SPD only)
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.
Datasheet
Installation Manual|
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 |
|
Nominal discharge current
15 x 8/20 µs impulses
|
In | 20 kA |
|
Impulse current by pole
max. withstand 10/350µs by pole
|
Iimp | 5 kA |
|
Total lightning current
max. total withstand @ 10/350µs
|
Itotal | 10 kA |
|
Current withstand short circuit PV
|
Iscpv | 15 000 A |
|
Rated insulation voltage
Ui
|
Ui | 1500 Vdc |
|
Rated current
InA
|
InA | 3x 2x 20 A |
|
Rated string current
|
InC | 3x 50 A |
|
Control voltage (switch)
|
100 Vac - 270 Vac 50/60Hz |
|
Protection rating
|
IP65 |
|
|
Remote signaling of disconnection
|
Output on changeover contact |
|
|
Max. Voltage/Current for remote signaling
|
250 V / 0.5 A (AC) / 30 V / 3 A (DC) |
|
|
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 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 |
