228 / 582
BETA Protecting
Low-Voltage Fuse Systems
3
NP LV HRC fuse switch disconnectors
3/78
Siemens ET B1 · 10/2008
3
*
You can order this quantity or a multiple thereof.
1)
When using LV HRC fuse links, size 00 (160 A), the permissible load
current is 0.9 x
I
n
.
2)
To some extent, special masking frames are required for installation in
ALPHA wall-mounted and floor-mounted distribution boards (STAB,
SIKUS), and ALPHA 400-ZS meter cabinets;
see page 3/78
.
3)
In 60 mm busbar systems, the conductor cross-section is limited to
16
mm
2
if the outgoing feeder is at the bottom.
4)
If 8GE3 818-0 mounting plates are used, 3NY7 220 molded-plastic mask-
ing frames can also be used (for installation in any distribution boards).
Version
For fuse switch
disconnectors
DT Order No.
Price
per PU
PG PU PS*/
P. unit
Weight
per PU
approx.
mm × mm
Unit(s) Unit(s) kg
Masking frames
For flush mounting in 40 mm and 60 mm busbar systems
Touch protection covers
1)
3
NP40 75
3
NP40 76
B
3
NY7 601
103 1
1
0.125
Masking frames
For installation in any distribution boards
2)
Molded-plastic masking frames
3
NY1 251
215
×
130
3
NP40 1
A
3
NY1 251
103 1
1
0.052
215
× 130
3
NP40 7 with box terminals
}
3
NY7 200
103 1
1
0.037
215
× 130
3
NP40 7 with flat terminals
}
3
NY7 201
103 1
1
0.046
375
× 220
3
NP42 7
}
3
NY7 220
103 1
1
0.112
375
× 245
3
NP43
A
3
NY7 230
103 1
1
0.117
375
× 290
3
NP44
A
3
NY7 240
103 1
1
0.125
Masking frames
For installation in ALPHA 400-ZS meter cabinets
Molded-plastic masking frames
Suitable for distribution board/device panel or for incoming
feeder unit in the meter cabinet (busbar mounted)
197
× 215.5
2
× 3NP40 1
A
3
NY1 258
103 1
1
0.063
197
× 215.5
1
x 3NP40 1 left
A
3
NY1 262
103 1
1
0.093
197
× 215.5
1
x 3NP40 1 right
A
3
NY1 264
103 1
1
0.091
208
× 229
1
x 3NP40 7 left
A
3
NY7 500
103 1
1
0.120
208
× 229
1
x 3NP40 7 right
A
3
NY7 501
103 1
1
0.120
208
× 236
2
× 3NP40 7
A
3
NY7 502
103 1
1
0.054
309
× 216
3
NP42 7
}
3
NY7 220
103 1
1
0.112
375
× 245
3
NP43
A
3
NY7 230
103 1
1
0.117
375
× 290
3
NP44
A
3
NY7 240
103 1
1
0.125
Masking frames
For installation in ALPHA 160- and ALPHA 400 wall-
mounted distribution boards (STAB 160/STAB 400), and
ALPHA 630 floor-mounted distribution boards (SIKUS 630)
Touch protection covers
1)3)
3
NP40 76
B
3
NY7 600
103 1
1
0.095
Molded-plastic masking frames
For mounting on mounting plates or busbars.
Further information
see Catalog ET A1
"
ALPHA distribution boards and terminal blocks"
166
× 199
1
× 3NP40 1 right
A
3
NY1 260
103 1
1
0.082
166
× 199
1
× 3NP40 1 left
A
3
NY1 261
103 1
1
0.086
166
× 199
2
× 3NP40 1
A
3
NY1 248
103 1
1
0.036
208
× 229
1
× 3NP40 7 left
A
3
NY7 500
103 1
1
0.120
208
× 229
1
× 3NP40 7 right
A
3
NY7 501
103 1
1
0.120
208
× 236
2
× 3NP40 7
A
3
NY7 502
103 1
1
0.054
309
× 216
4)
3
NP42 7
A
3
NY7 820
103 1
1
0.113
375
× 245
3
NP43
A
3
NY7 230
103 1
1
0.117
375
× 290
3
NP44
A
3
NY7 240
103 1
1
0.125
Masking frames
For installation in 8HP molded-plastic distribution systems
Molded-plastic masking frames
For installation in 8HP complete enclosures
with fuse switch disconnectors 8HP enclosure (size)
1
1
× 3NP40 10
A
8
HP6 431
046 1
1
0.221
1
1
× 3NP40 70
A
8
HP6 422
046 1
1
0.224
2
2
× 3NP40 10
A
8
HP6 432
046 1
1
0.465
2
3
× 3NP40 10
A
8
HP6 432
046 1
1
0.465
2
1
× 3NP40 70
A
8
HP6 423
046 1
1
0.230
2
2
× 3NP40 70
A
8
HP6 424
046 1
1
0.203
2.5
1
× 3NP40 70
A
8
HP6 423
046 1
1
0.230
2.5
2
× 3NP40 70
A
8
HP6 424
046 1
1
0.203
2.5
1
× 3NP42 70
A
8
HP6 427
046 1
1
0.250
© Siemens AG 2008