Bussmann
®
BS88, IEC269
Industrial HRC Fuse Links 660V
Offset Bolted Tags
R11-660
R12-660
R40
Time-Current Characteristic Curve
450A
500A
560A
630A
Centre Bolted Tag
Dimensional Data
Carton Quantities:
1 per carton all ratings
Ordering Codes:
Rating followed by Catalogue Number
listed below.
Catalog
Number
R11-660
R11-660
R11-660
R11-660
R12-660
R12-660
R12-660
R12-660
R40
R40
I
2
t (Ampere
2
Seconds)
Amp
Ratings
450
500
560
630
450
500
560
630
450
500
Pre-
Arcing
880,000
Total at
415V
Total at
550V
Total at
660V
Nom.
Watts
Loss
32
38
43
50
32
38
43
50
32
38
Rated
Voltage
Dimensions (mm)
A
B
C
D
E
F
G
H
J
1,600,000 2,200,000 4,400,000
1,100,000 2,000,000 2,800,000 5,500,000
1,400,000 2,400,000 3,500,000 6,800,000
2,000,000 3,500,000 5,000,000 9,900,000
880,000
1,600,000 2,200,000 4,400,000
1,100,000 2,000,000 2,800,000 5,500,000
1,400,000 2,400,000 3,500,000 6,800,000
2,000,000 3,500,000 5,000,000 9,900,000
880,000
1,600,000 2,200,000 4,400,000
1,100,000 2,000,000 2,800,000 5,500,000
660V ac
210.0 186.0 135.0 76.0
400V dc
26.0
16.0
10.0
74.0
6.5
660V ac
262.0 231.0 167.0 76.0
400V dc
26.0
16.0
10.0
74.0
6.5
660V ac
210.0 185.0 135.0 81.0
400V dc
19.0
16.0
10.0
74.0
9.5
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 selected, it should be tested by the user in all possible applications.
Bussmann Division
Cooper (U.K.) Ltd
Burton-on-the-Wolds
Leicestershire, LE12 5TH
United Kingdom
Tel: (44) (0)1509 88 27 37
Fax: (44) (0)1509 88 27 86
Head Office
St. Louis, MO, U.S.A. Tel: (314) 527-3877 Fax: (800) 544-2570 International Fax: (314) 527-1445
B
i
F
Bussmann Information Fax (00 1) 314 527 1450
R11/R12/R40 11.96
Doc. No. 4162
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