DC load Isolator Switch with IEC standard,Available from 160A-250A-315A-400A-630A-800A in 4P version, acting as a load break switches for DC current. Especially indicated for installations for photovoltaic energy generators, which require a safe disconnection. Standard handle is supplied pad lockable in position "OFF" for maintenance. Bridging links available for series connections.
Easy to install
Safe reliable operation
Designed for harsh environments
Rated current Ie | 160A | 250A | 315A | 315H | 400A | 630A | 800A | ||||
Frame size | EHD-315 | EHD-630 | |||||||||
Thermal current (Ith) | 160 | 250 | 315 | 400 | 400 | 630 | 800 | ||||
Rated insulation voltage (Ui) | 1500 | 1500 | 1500 | 1500 | 1500 | 1500 | 1500 | ||||
Rated impulse withstand voltage Uimp (KV) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | ||||
Code | Number of poles | Rated voltage | Utilisation category | Ie(A) | Ie(A) | Ie(A) | Ie(A) | Ie(A) | Ie(A) | Ie(A) | |
EHDN | 2P(1P+,1P-) | 4P(2P+,2P-) | 1000VDC | DC-PV1/DC-21B | 160 | 250 | 315 | 400 | 400 | 630 | 800 |
EHDT | 2P(1P+,1P-) | 4P(2P+,2P-) | 1500VDC | DC-PV1/DC-21B | 100 | 160 | 250 | 315 | 400 | 630 | 800 |
EHDT | 3P(2P+,1P-) | 6P(4P+,2P-) | 1500VDC | DC-PV1/DC-21B | - | - | 315 | 400 | - | - | - |
Number of poles | Rated voltage | Utilisation category | Ie(A) | Ie(A) | Ie(A) | Ie(A) | Ie(A) | Ie(A) | Ie(A) | ||
EHDN | 2P(1P+,1P-) | 4P(2P+,2P-) | 1000VDC | DC-PV2 | 160 | 250 | 315 | - | 400 | 630 | - |
EHDT | 2P(1P+,1P-) | 4P(2P+,2P-) | 1500VDC | DC-PV2 | 100 | 160 | 250 | - | 400 | 630 | - |
EHDT | 3P(2P+,1P-) | 6P(4P+,2P-) | 1500VDC | DC-PV2 | - | - | 315 | - | - | - | - |
The short-circuit capacity is between 1000 and 1500VDC (no protection) | |||||||||||
Rated short time withstand current lcw 1s (kAeff) Icw | 5 | 5 | 5 | 5 | 8 | 8 | 8 | ||||
Rated short-circuit making capacity lcm(kA peak)- 60 ms Icm | 10 | 10 | 10 | 10 | 10 | 10 | 10 | ||||
Cable | |||||||||||
Recommended Cu rigid cable cross section(mm) | 70 | 120 | 185 | 185 | 240 | 2×185 | 2×240 | ||||
Recommended Cu busbar width(mm) | 20 | 20 | 20 | 20 | 25 | 25 | 25 | ||||
Mechanical characteristics | |||||||||||
Durability (number of operating cycles) | 8000 | 8000 | 8000 | 8000 | 8000 | 8000 | 8000 | ||||
Number of cycles of operation with current | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 |
FAQ