Bussmann
®
Industrial HRC Fuse
13.8 x 54.5mm, BS88, IEC 269-1
Offset Bolted Tags
NITD
Time-Current Characteristic Curve
(Full Size Curves Available)
25
32
CURRENT
RATING
20M25
20M32
32M40
32M50
32M63
4
6
10
16
20
2
1,000
100
TIME IN SECONDS
G
F
CATALOG SYMBOL: NITD
INDUSTRIAL HRC FUSE
OFFSET BOLTED TAGS
PACKAGE QUANTITY: 20
80kA INTERRUPTING RATING
MOUNTS IN CAMASTER SERIES OF HOLDERS
Dimensional Data:
C
10
1
D
E
B
A
.1
Electrical Characteristics
Catalog
Number
NITD2
NITD4
NITD6
NITD10
NITD16
NITD20
NITD25
NITD32
NITD20M25
NITD20M32
NITD32M40
NITD32M50
NITD32M63
Ampere
Rating
2
4
6
10
16
20
25
32
20M25
20M32
32M40
32M50
32M63
I
2
T (Amp
2
Seconds)
Pre-
Total At
Arcing
415V
1.3
8
29
120
120
260
560
710
575
720
1500
2700
5000
4.6
27
100
400
500
1070
2300
3000
2300
3000
6000
8600
13,400
Total At
550V
5
30
115
490
730
1700
3550
5000
3700
6000
—
—
—
Nom
Watts
Loss
0.9
1.4
1.8
2.1
1.8
1.8
2
2.9
1.2
0.95
1.9
1.4
1.0
Rated
Voltage
CURRENT IN AMPERES
Dimensions (Inches/mm)
A
B
C
D
E
F
G
550AC
55.2
42.5
1.36
34.6
0.44
11.1
13.7
0.03
0.8
0.56
14.0
415AC
55.5
42.5
35.5
11.1
17.5
1.2
18.2
The only controlled copy of this BIF document is the electronic read-only version located on the Bussmann Network Drive. All other copies of this BIF document are by definition uncontrolled. This bulletin is intended to
clearly present comprehensive product data and provide technical information that will help the end user with design applications. Bussmann reserves the right, without notice, to change design or construction of any
products and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been select-
ed, it should be tested by the user in all possible applications.
12-28-98
SB98107
Rev. A
Form No. NITD
Page 1 of 1
BIF Doc #4106
1,000
100
10
1
.01
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