HR3 knife switch
- Product Description
Factory direct HR3 knife switch, price concessions www.jiandq.com. 15957745520
A, scope of application
HR3 fuse knife switch for AC 50Hz, rated voltage 380V, rated current overload protection in distribution system 100A-1000A as short circuit protection, wire and cable for. In normal circumstances,
Manual switch for less frequent and breaking the normal load current and overload current, in case of a short circuit, by fusing to cut off the current.
Two, models and implications
1 represents the positive side lever mechanism, pre maintenance; 2 said that the frontal central lever driving mechanism, after the repair; 3 said the side handle type, pre maintenance; 4 indicates no front panel lateral lever driving mechanism, pre maintenance;
Pole number: 3
Rated current (A)
HR fuse knife switch
Three, the main technical parameters
Rated working voltage (UE) V rated insulation voltage (UI) V rated working current Le (A) resistive current (ITH) A with fuse
HR3-100 100100 RTO-100
HR3-200 200200 RTO-200
HR3-400 380660400400 RTO-400
HR3-600 600600 RTO-600
HR3-1000 1000
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