Details
DEHNguard M YPV SCI 150: Modular multipole surge arrester with three-step d.c. switching device; for photovoltaic systems up to 150 V DEHNguard M YPV SCI 600: For photovoltaic systems up to 600 V DEHNguard M YPV SCI 1000: For photovoltaic systems up to 1000 V DEHNguard M YPV SCI 1200: For photovoltaic systems up to 1200 V DEHNguard M YPV SCI ... FM: With remote signalling contact for monitoring device (floating changeover contact) DEHNguard S PV SCI 150: For photovoltaic systems up to 150 V solidly earthed on the d.c. side DEHNguard S PV SCI 600: For photovoltaic systems up to 600 V solidly earthed on the d.c. side DEHNguard S PV SCI ... FM: With remote signalling contact for monitoring device (floating changeover contact) |
Further Models / Accessory:

DEHNguard M YPV SCI ...
DEHNguard M YPV SCI ... FM
DEHNguard S PV SCI ...
DEHNguard S PV SCI ... FM
Accessories
Modular multipole surge arrester with three-step d.c. switching device for use in PV systems
- Prewired modular complete unit for use in photovoltaic systems consisting of a base part and plug-in protection modules
- Combined disconnection and short-circuiting device with safe electrical isolation in the protection module prevents fire damage caused by d.c. switching arcs (patented SCI principle)
- Safe replacement of protection modules without arc formation due to integrated d.c. fuse
| Type | |
|---|---|
| Part No. | |
| Conformity with prEN 50539-11 | |
| SPD classification according to EN 61643-11 | |
| SPD classification according to IEC 61643-1/-11 | |
| Max. PV voltage | UCPV |
| Short-circuit withstand capacity | ISCWPV |
| Max. continuous operating d.c. voltage [(DC+/DC-) --> PE] | UC |
| Total discharge current (8/20 µs) | Itotal |
| Nominal discharge current (8/20 µs) [(DC+/DC-) --> PE] | In |
| Max. discharge current (8/20 µs) [(DC+/DC-) --> PE] | Imax |
| Voltage protection level | UP |
| Voltage protection level at 5 kA | UP |
| Response time | tA |
| Operating temperature range | TU |
| Operating state/fault indication | |
| Number of ports | |
| Cross-sectional area (min.) | |
| Cross-sectional area (max.) | |
| For mounting on | |
| Enclosure material | |
| Place of installation | |
| Degree of protection | |
| Capacity | |
| Approvals | |
| Weight | |
| GTIN | |
| PU | |
| Amount | |
| Further Pictures | |
| Options |
DEHNguard M YPV SCI ... FM
![]() | ![]() Basic circuit diagram DG M YPV SCI ... FM | ![]() Dimension drawing DG M YPV SCI ... FM |
Modular multipole surge arrester with three-step d.c. switching device for use in PV systems with remote signalling contact for monitoring device (floating changeover contact)
- Prewired modular complete unit for use in photovoltaic systems consisting of a base part and plug-in protection modules
- Combined disconnection and short-circuiting device with safe electrical isolation in the protection module prevents fire damage caused by d.c. switching arcs (patented SCI principle)
- Safe replacement of protection modules without arc formation due to integrated d.c. fuse
| Type | |
|---|---|
| Part No. | |
| Conformity with prEN 50539-11 | |
| SPD classification according to EN 61643-11 | |
| SPD classification according to IEC 61643-1/-11 | |
| Max. PV voltage | UCPV |
| Short-circuit withstand capacity | ISCWPV |
| Max. continuous operating d.c. voltage [(DC+/DC-) --> PE] | UC |
| Total discharge current (8/20 µs) | Itotal |
| Nominal discharge current (8/20 µs) [(DC+/DC-) --> PE] | In |
| Max. discharge current (8/20 µs) [(DC+/DC-) --> PE] | Imax |
| Voltage protection level | UP |
| Voltage protection level at 5 kA | UP |
| Response time | tA |
| Operating temperature range | TU |
| Operating state/fault indication | |
| Number of ports | |
| Cross-sectional area (min.) | |
| Cross-sectional area (max.) | |
| For mounting on | |
| Enclosure material | |
| Place of installation | |
| Degree of protection | |
| Capacity | |
| Approvals | |
| Type of remote signalling contact | |
| a.c. switching capacity | |
| d.c. switching capacity | |
| Cross-sectional area for remote signalling terminals | |
| Weight | |
| GTIN | |
| PU | |
| Amount | |
| Further Pictures | |
| Options |
Modular single-pole surge arrester with three-step d.c. switching device for PV systems
- Prewired modular complete unit for use in photovoltaic systems consisting of a base part and plug-in protection modules
- Combined disconnection and short-circuiting device with safe electrical isolation in the protection module prevents fire damage caused by d.c. switching arcs (patented SCI principle)
- Safe replacement of protection modules without arc formation due to integrated d.c. fuse
| Type | |
|---|---|
| Part No. | |
| Conformity with prEN 50539-11 | |
| SPD classification according to EN 61643-11 | |
| SPD classification according to IEC 61643-1/-11 | |
| Max. PV voltage | UCPV |
| Short-circuit withstand capacity | ISCWPV |
| Max. continuous operating d.c. voltage [(DC+/DC-) --> PE] | UC |
| Nominal discharge current (8/20 µs) [(DC+/DC-) --> PE] | In |
| Max. discharge current (8/20 µs) [(DC+/DC-) --> PE] | Imax |
| Voltage protection level | UP |
| Voltage protection level at 5 kA | UP |
| Response time | tA |
| Operating temperature range | TU |
| Operating state/fault indication | |
| Number of ports | |
| Cross-sectional area (min.) | |
| Cross-sectional area (max.) | |
| For mounting on | |
| Enclosure material | |
| Place of installation | |
| Degree of protection | |
| Capacity | |
| Approvals | |
| Weight | |
| GTIN | |
| PU | |
| Amount | |
| Further Pictures | |
| Options |
DEHNguard S PV SCI ... FM
![]() | ![]() Basic circuit diagram DG S PV SCI ... FM | ![]() Dimension drawing DG S PV SCI ... FM |
Modular single-pole surge arrester with three-step d.c. switching device for PV systems; with remote signalling contact for monitoring device (floating changeover contact)
- Prewired modular complete unit for use in photovoltaic systems consisting of a base part and plug-in protection modules
- Combined disconnection and short-circuiting device with safe electrical isolation in the protection module prevents fire damage caused by d.c. switching arcs (patented SCI principle)
- Safe replacement of protection modules without arc formation due to integrated d.c. fuse
| Type | |
|---|---|
| Part No. | |
| Conformity with prEN 50539-11 | |
| SPD classification according to EN 61643-11 | |
| SPD classification according to IEC 61643-1/-11 | |
| Max. PV voltage | UCPV |
| Short-circuit withstand capacity | ISCWPV |
| Max. continuous operating d.c. voltage [(DC+/DC-) --> PE] | UC |
| Nominal discharge current (8/20 µs) [(DC+/DC-) --> PE] | In |
| Max. discharge current (8/20 µs) [(DC+/DC-) --> PE] | Imax |
| Voltage protection level | UP |
| Voltage protection level at 5 kA | UP |
| Response time | tA |
| Operating temperature range | TU |
| Operating state/fault indication | |
| Number of ports | |
| Cross-sectional area (min.) | |
| Cross-sectional area (max.) | |
| For mounting on | |
| Enclosure material | |
| Place of installation | |
| Degree of protection | |
| Capacity | |
| Approvals | |
| Type of remote signalling contact | |
| a.c. switching capacity | |
| d.c. switching capacity | |
| Cross-sectional area for remote signalling terminals | |
| Weight | |
| GTIN | |
| PU | |
| Amount | |
| Further Pictures | |
| Options |
Accessories
Varistor-Based Protection Module for DEHNguard M (S) (Y)PV SCI
























