Siemens 3NA3807 LV HRC Fuse Element, NH000, 20A, 500VAC 250VDC, Front Indicator, Live Grip Lugs, Pack of 3
This product applies to the indoor AC 50 ~ 60Hz system with the rated voltage of 3.6~12kV, and may be used along with other protective devices (such as the switch, vacuum contactor, etc）. as short-circuit and overload protection element for the high-voltage motor and other power equipment.
Model
International model XRNM3A- (3.6～12)/□ -50
Equivalent model
BS standard:
Basic parameters as per DIN standard
Product Model
|
Equivalent Model
|
Rated Voltage
(kV)
|
Rated Current of Fuse Element
(A)
|
Standard Size
|
Rated Breaking Current (kA)
| |
φA(mm)
|
L(mm)
| |||||
XRNM3A-7.2
|
WDLDJ
|
7.2
|
25, 31.5, 40, 50, 63
|
φ51
|
292
|
50
|
WELDJ
|
63, 80, 100
|
φ66
| ||||
WFLDJ
|
125, 160
|
φ76
| ||||
WXLDJ
|
160, 200, 224, 250, 315
|
φ88
| ||||
WFMDJ
|
25, 31.5, 40, 50, 63, 80, 100, 125, 160
|
φ76
|
442
| |||
WKMDJ
|
200, 224, 250, 315
|
φ76
| ||||
XRNM3A-12
|
WDLDJ
|
12
|
20, 25, 31.5, 40, 50
|
φ51
|
292
|
50
|
WELDJ
|
50, 63, 80
|
φ66
| ||||
WFLDJ
|
80, 100, 125
|
φ76
| ||||
WXLDJ
|
160, 200
|
φ88
| ||||
WFMDJ
|
25, 31.5, 40, 50, 63, 80, 100
|
φ76
|
442
| |||
WKMDJ
|
125, 160
|
φ76
| ||||
WXMDJ
|
200, 224
|
φ88
| ||||
Outline dimensions as per DIN standard
Fig. 1 Outline drawing of XRNM3A fuse link
Basic parameters as per BS standard
(1) Bus fuse
Model
|
Equivalent model
|
Rated Voltage (kV)
|
Rated Current of Fuse Link
(A)
|
Main Dimensions (mm)
|
Rated Breaking Current (kA)
| |||
A
|
B
|
C
|
D
| |||||
XRNM3A-3.6
|
WDF.0
|
3.6
|
50, 63, 80, 100, 125
|
377
|
254
|
305
|
Φ51
|
50
|
WFF.0
|
125, 160, 200
|
Φ76
| ||||||
WKF.0
|
250, 315, 355, 400
| |||||||
XRNM3A-7.2
|
WFF.0
|
7.2
|
25, 31.5, 40, 50, 63, 80, 100, 125, 160
|
486
|
403
|
454
|
Φ76
|
50
|
WKN.0
|
200, 224, 250, 315,
355
| |||||||
XRNM3A-12
|
WKX.0
|
12
|
25, 31.5, 40, 50, 63, 80, 100, 125, 160,
200, 224
|
683
|
600
|
650
|
Φ76
|
50
|
Note: The above-mentioned are the rated parameters of single tube, and higher rated current value may be obtained through the parallel connection of fixed structure.
Outline drawing of bus fuse
a) Single fuse
b) Double-parallel fuse
c) Triple-parallel fuse
Fig. 2 Outline and installing dimensions of bus fuse
Basic outline parameters of plug-in fuse
in mm
Size code
Model
|
A
|
B
|
C
|
D
|
E
|
F
|
G
|
WDF*0
|
390
|
312
|
80
|
140
|
246
|
254
|
φ51
|
WEF*0
|
φ76
| ||||||
WKF*0
| |||||||
WFN*0
|
500
|
461
|
150
|
160
|
266
|
403
| |
WKN*0
| |||||||
WFX*0
|
690
|
659
|
350
|
160
|
268
|
600
|
Outline drawing of plug-in fuse
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