NH KNIFE BLADE
NH 3
NH 4
Current/
Voltage
Current/
Voltage
Cat. No.
Dim. Std. Pk.
Cat. No.
Dim. Std. Pk.
Ordering Information
224/500V AC
250/500V AC
300/500V AC
315/500V AC
355/500V AC
400/500V AC
500/500V AC
630/500V AC
224NH3GL
250NH3GL
300NH3GL
315NH3GL
355NH3GL
400NH3GL
500NH3GL
630NH3GL
F
F
F
F
F
F
G
G
3
3
3
3
3
3
3
3
400/500V AC5
500/500V AC5
630/500V AC5
710/500V AC
800/500V AC5
850/500V AC
900/500V AC
1000/500V AC 1000NH4GL
1250/500V AC 1250NH4GL
1600/500V AC 1600NH4GL
400NH4GL
500NH4GL
630NH4GL
710NH4GL
800NH4GL
850NH4GL
900NH4GL
H
H
H
H
H
H
H
H
H
I
1
1
1
1
1
1
1
1
1
1
Operating Class gG / gL
(VDE 0636 / IEC 269)
Line Protection up to 500V AC
(660V Available)
224/500V AC
250/500V AC
300/500V AC
315/500V AC
355/500V AC
400/500V AC
500/500V AC
630/500V AC
224NH3AM
250NH3AM
300NH3AM
315NH3AM
355NH3AM
400NH3AM
500NH3AM
630NH3AM
F
F
F
F
F
F
G
G
3
3
3
3
3
3
3
3
400/500V AC
500/500V AC
400NH4AM
500NH4AM
H
H
H
H
H
H
1
1
1
1
1
1
Operating Class aM
(VDE 0636 / IEC 269)
Motor Protection up to 660V AC
630/500V AC5 630NH4AM
800/500V AC5 800NH4AM
1000/500V AC5 1000NH4AM
1250/500V AC 1250NH4AM
250/660V AC 250NH3AR-64
280/660V AC 280NH3AR-64
300/660V AC 300NH3AR-64
315/660V AC 315NH3AR-64
355/660V AC 355NH3AR-64
400/660V AC 400NH3AR-64
500/660V AC 500NH3AR-64
560/660V AC 560NH3AR-64
630/660V AC 630NH3AR-64
F
F
F
F
F
3
3
3
3
3
3
3
3
3
Operating Class aR
(VDE 0636 / IEC 269)
Semiconductor Protection up to 660V AC
(1000V Available)
F
G
G
G
4 Knife blade is available with screw holes, please
designate a “B” after the size, (ex. 250NH3BAR-6).
5 Also available in 660VAC, please consult Altech.
For Accessories, please refer to pg 19
For Accessories, please refer to pg 19
Approximate Dimensions for NH Fuses mm (in.)*
NH
Overall
Body
Body
Body
Blade
Blade
Fixing
Size/Dim. Length (L1) Length (L2) Depth (D)
Width (W) Thickness (T) Depth (C) Center (F)
3/F
3/G
4/H
4/I
150 (5.91)
150 (5.91)
200 (7.87)
200 (7.87)
65 (2.56)
65 (2.56)
65 (2.56) 110 (4.33) 102 (4.01)
87 (3.42) 110 (4.33) 102 (4.01)
60 (2.36) 53 (2.10)
70 (2.75) 62 (2.44)
6 (0.24)
6 (0.24)
8 (0.31)
8 (0.31)
26 (1.02)
32 (1.26)
50 (1.97)
50 (1.97)
110 (4.33)
110 (4.33)
150 (5.91)
150 (5.91)
*Dimensions to DIN 43620 refer to diagram on pg 16
Altech Corp.® 35 Royal Road Flemington NJ 08822-6000 Phone (908) 806-9400 Fax (908) 806-9490 www.altechcorp.com
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