![](http://datasheet.mmic.net.cn/120000/560R12-660_datasheet_3277303/560R12-660_1.png)
Centre Bolted Tag
Catalog
Number
Nom.
Watts
Loss
Rated
Voltage
Dimensions (mm)
Amp
Ratings
Pre-
Arcing
Total at
415V
Total at
550V
Total at
660V
AB
C
D
E
F
G
H
J
R11-660
450
880,000 1,600,000 2,200,000 4,400,000
32
660V ac
400V dc 210.0 186.0 135.0 76.0 26.0 16.0 10.0 74.0 6.5
R11-660
500
1,100,000 2,000,000 2,800,000 5,500,000
38
R11-660
560
1,400,000 2,400,000 3,500,000 6,800,000
43
R11-660
630
2,000,000 3,500,000 5,000,000 9,900,000
50
R12-660
450
880,000 1,600,000 2,200,000 4,400,000
32
660V ac
400V dc 262.0 231.0 167.0 76.0 26.0 16.0 10.0 74.0 6.5
R12-660
500
1,100,000 2,000,000 2,800,000 5,500,000
38
R12-660
560
1,400,000 2,400,000 3,500,000 6,800,000
43
R12-660
630
2,000,000 3,500,000 5,000,000 9,900,000
50
R40
450
880,000 1,600,000 2,200,000 4,400,000
32
660V ac
400V dc 210.0 185.0 135.0 81.0 19.0 16.0 10.0 74.0 9.5
R40
500
1,100,000 2,000,000 2,800,000 5,500,000
38
Dimensional Data
Time-Current Characteristic Curve
I t (Ampere Seconds)
2
BS88, IEC269
Industrial HRC Fuse Links 660V
Offset Bolted Tags
R11-660
R12-660
R40
Bussmann
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
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.
Carton Quantities:
Ordering Codes:
1 per carton all ratings
Rating followed by Catalogue Number
listed below.
450A
500A
560A
630A