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DC Protection Devices
WRS DIN-Rail DC Rotary Isolator Switch
The modular version of the same isolating duty, for mounting inside a combiner box or DC board. Rated to the DC-PV2 utilization category, which is the one that covers switching a live string under load.
Technical overview
Core specifications
Rated current16, 20, 25, 32A
Poles4P
Utilization categoryDC-PV2, DC-PV1/21B
Insulation voltage Ui1200V
Impulse withstand Uimp8kV
Solar rating at 40°C32A
Solar rating at 60°C29A
Ingress protectionIP20 (switch body)
Ambient temperature−40°C to +85°C
MountingDIN rail
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Technical files
Datasheet, dimensions and certificate scope
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PDF · Product datasheet DWG/PDF · Dimensions & installation PDF · Certificate scope
Request Technical Files Typical use
- Combiner box isolation
- DC board isolation
- Inverter input isolation
Compliance references
- IEC / EN 60947-3
Customisation scope
- Pole configuration
- Marking
- Packaging
Related products
Other products supplied for the same installations.
DC Protection Devices
WENC PV DC Combiner Box
A populated DC combiner box for the string side of a rooftop or ground-mount array — fuses on both polarities, an isolating DC breaker for maintenance, and a 1000V surge protector, in an IP65 enclosure rated for outdoor UV exposure.
View specifications →
DC Protection Devices
WPV-FU Photovoltaic Fuse Link
gPV fuse links in the two sizes the PV market actually uses: 10 × 38 for 1000V systems and 10 × 85 for 1500V. Both interrupt in under a millisecond and are rated for the full-range duty a string fuse has to cover.
View specifications →
DC Protection Devices
WPV32 Photovoltaic Fuse Holder
DIN-rail holders for the matching PV links, at 1000V and 1500V. The 1000V version carries a blown-fuse indicator, which is what makes a fault findable on an array without pulling every holder.
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