YUEQING YOMIN ELECTRIC CO., LTD
YUEQING YOMIN ELECTRIC CO., LTD Professional energy meter and current transformer manufacturer
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Description:
HR18 series fuse type load isolating switch is applicable to high short circuit current circuit with AC 50(60)Hz, voltage up to 660V and rated working current up to 1600A. It possesses upper and lower end input and output structure. Lead in equipment with knife-edge and arc extinguishing equipment, and also can be operated with load. It is used as power switch, isolating switch and emergency switch, and for protecting current..
Function:
DNH7(HR18) is a range of 3- and 4-pole NH2 fused switch disconnect for DIN fuse links. The fuse links are placed horizontally (side by side). It consists of a fuse base with 3 or 4 arc extinguishing chamber and a 3- or 4-pole fuse carrier pivoted at the lower end of the fuse base.
The solution for:
>Installtion.
>Switchboards.
>Distribution systems.
>OEM'S.
Strong points:
>Easy to install.
>Easy to snap on DIN rails.
>Easy to operate.
>Easy to understand.
>Modern cable terminals.
>Modern and functional design.
>Addtional arc protection shroud in front cover-increased personal safety.
>No emission of gasses at short circuits Wide range of modern cable clamps and accessories.
>Electronic fuse monitoring.
>Wide range of busbar adapters.
Specification:
|
Model No. |
HR18-160A |
HR18-2501A |
HR18-400A |
HR18-630A |
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|
Matched fuse link |
NH00 |
NH1 |
NH2 |
NH3 |
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|
Rated Voltage (V) |
400 |
500 |
690 |
400 |
500 |
690 |
400 |
500 |
690 |
400 |
500 |
690 |
|
|
Rated Current (A) |
125 |
160 |
125 |
|
250 |
200 |
|
400 |
315 |
|
630 |
500 |
|
|
Thermal current (A) |
160 |
250 |
400 |
630 |
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|
Rated insulated votage(V) |
1000 |
1000 |
1000 |
1000 |
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|
Rated impulse withstand voltage (V) |
8000 |
8000 |
8000 |
8000 |
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|
Fuse short circuit protected current (kAms) |
50 |
50 |
50 |
50 |
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|
Rated making and breaking capacity |
AC23B |
AC22B |
AC21B |
AC23B |
AC22B |
AC21B |
AC23B |
AC22B |
AC21B |
AC23B |
AC22B |
AC21B |
|
|
Rated frequency (Hz) |
50/60 |
50/60 |
50/60 |
50/60 |
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| Fuse link power loss (W) | 3.5 | 7.5 | 13 | 24 | |||||||||
|
Protection degree of front cover |
Open |
IP20 |
IP20 |
IP20 |
IP20 |
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|
Close |
IP30 |
IP30 |
IP30 |
IP30 |
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Mounting system:
>Mounting plate system
>Busbar system
