bussmann 电压互感器变压器保护用高压熔断器
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bussmann 电压互感器变压器保护用高压熔断器
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Voltage and Auxiliary Transformer Fuse Links
British Standard VT Fuse Links.
A range of voltage transformer primary
Fuse Links toBS2692-1 and IEC60282-1.
Wide range of ratings from 1 kV to 36 kV.
3.15 Amp industry standard current ratings.
CAV range with ratings from 3.6kV to 38kV.
Bussmann Voltage and Auxiliary Transformer Fuse Links
Bussmann manufacture a wide range of voltage transformer (VT) fuse links. In North America they are referred to as
Potential Transformer fuses. These fuse links are designed for use in the primary side of voltage transformers to
provide system isolation in the event of faults occurring in the transformer circuit.
Voltage transformer fuse links, have a preferred current rating of 3.15A. Experience has shown that there is a risk of
spurious operation by transient overcurrents where lower current ratings are used. In addition, in order to minimise the
risk of deterioration of the fine fuse elements caused by corona, it is desirable to mount the fuse links so that the
earthed metal is not in the immediate vicinity of the part of the barrel between the ferrules.
Higher current and ‘E’ ratings are available for special applications, including auxiliary transformers.
A range of VT fuse links with a breaking capacity of 200kA for use at the output terminals of large turbo alternators
can also be ordered. For further information, please contact Bussmann application engineers.
Types prefixed ‘A’ or ‘N’ are suitable for use in Air only. Types prefixed ‘O’ may be used under oil.
For DIN dimensioned voltage transformer and auxiliary transformer fuse links, please refer to DIN dimensioned
fuse link section.
For more information visit our websitewww.bussmann.com 28Voltage and Auxiliary Transformer Fuse Links
Selection Table
Table of ratings for voltage transformer fuses 1.1 - 36kV
Voltage Current Breaking Cold Resistance Joule Length Diameter Weight
Rating Rating Capacity Intergral ø
Part Number
(I2t)
Un In I1 A2s
kV A kA Ω PM rein -Aim rcu im ng ToM taa l x Cim leu arm ing mm mm kg
1.1NBUN*2 1.1 2 50 0.145 6.3X100 1.8X101 86 25.4 0.12
1.1NBUN*3.15 1.1 3.15 50 0.107 1.2X101 3.4X101 86 25.4 0.12
1.1NBUN*6.3 1.1 6.3 50 0.065 3.2X101 9.2X101 86 25.4 0.12
3.6ABWN*3.15 3.6 3.15 50 0.358 6.3X100 1.8X101 142 25.4 0.19
3.6ABWN*6.3 3.6 6.3 50 0.120 4.8X101 3.1X102 142 25.4 0.19
3.6ABCN*3.15 3.6 3.15 50 0.358 6.3X100 1.8X101 195 25.4 0.245
3.6ABCN*6.3 3.6 6.3 50 0.120 4.8X101 3.1X102 195 25.4 0.245
3.6ABCN*10 3.6 10 50 0.080 1.1X102 7.0X102 195 25.4 0.245
5.5AMWNA0.5E 5.5 0.5 50 32.5 1.2X100 3.5X100 142 20.6 0.114
5.5AMWNA1E 5.5 1 50 16.0 5.0X100 1.4X101 142 20.6 0.114
5.5AMWNA2E 5.5 2 50 0.584 4.0X100 1.2X101 142 20.6 0.114
5.5AMWNA3E 5.5 3 50 0.320 1.8X101 1.1X102 142 20.6 0.114
5.5AMWNA4E 5.5 4 50 0.190 4.6X101 3.0X102 142 20.6 0.114
5.5AMWNA5E 5.5 5 50 0.147 7.9X101 5.1X102 142 20.6 0.114
5.5ABWNA0.5E 5.5 0.5 50 50.2 0.49X100 1.4X100 142 25.4 0.19
5.5ABWNA1E 5.5 1 50 25.1 2.0X100 5.7X100 142 25.4 0.19
5.5ABWNA2E 5.5 2 50 1.08 1.2X100 3.4X100 142 25.4 0.19
5.5ABWNA3E 5.5 3 50 0.469 6.3X100 1.8X101 142 25.4 0.19
5.5ABWNA5E 5.5 5 50 0.199 3.2X101 2.0X102 142 25.4 0.19
7.2ABWN*3.15 7.2 3.15 45 0.614 6.3X100 4.0X101 142 25.4 0.19
7.2ABWN*6.3 7.2 6.3 45 0.240 4.8X101 3.1X102 142 25.4 0.19
7.2ABCN*3.15 7.2 3.15 45 0.614 6.3X100 4.0X101 195 25.4 0.245
7.2ABCN*6.3 7.2 6.3 45 0.240 4.8X101 3.1X102 195 25.4 0.245
7.2OBCN*3.15 7.2 3.15 45 0.614 6.3X100 4.0X10 195 25.4 0.245
7.2OBCN*6.3 7.2 6.3 45 0.240 4.8X101 3.1X102 195 25.4 0.245
7.2OBWN*3.15 7.2 3.15 45 0.614 6.3X100 4.0X10 142 25.4 0.19
7.2OBWN*6.3 7.2 6.3 45 0.240 4.8X101 3.1X102 142 25.4 0.19
12ABCN*3.15 12 3.15 45 1.21 6.3X100 1.8X101 195 25.4 0.245
12OBCN*3.15 12 3.15 45 1.21 6.3X100 1.8X101 195 25.4 0.245
15.5ABFN*3.15 15.5 3.15 32 1.24 6.3X100 4.0X101 254 25.4 0.31
15.5OBFN*3.15 15.5 3.15 32 1.24 6.3X100 4.0X101 254 25.4 0.31
17.5ABGN*3.15 17.5 3.15 35 1.45 6.3X100 4.0X101 359 25.4 0.43
17.5OBGN*3.15 17.5 3.15 35 1.45 6.3X100 4.0X101 359 25.4 0.43
24ABGN*3.15 24 3.15 25 2.00 6.3X100 4.0X101 359 25.4 0.43
24OBGN*3.15 24 3.15 25 2.00 6.3X100 4.0X101 359 25.4 0.43
36OBGN*3.15 36 3.15 31.5 2.05 1.2X101 7.7X101 359 25.4 0.43
A 36kV AGBN* 3.15A is also available for certain indoor applications. Please contact Bussmann’s application engineers
for further information.
* The last letter of the ordering code on these items is normally either ‘A’ or ‘22’, please refer to ‘how to order’
page 61 for an explanation.
Fuse Link type: TAG type “A” Ferrule and “22”
FUSELINKTYPE A B D
NBUN* 86 17.5 25.4
ABWNA 142 30 25.4
AMWNA 142 16 20.5
OBWN* 142 30 25.4
ABCN* 195 30 25.4
OBCN* 195 30 25.4
ABFN* 254 30 25.4
OBFN* 254 30 25.4 8mm bolt with BSW thread
ABGN* 359 30 25.4
Ferrule Fuse Link Tag type “A” shown in full lines
OBGN* 359 30 25.4
and “22” Tag shown in dotted lines
29 For more information visit our websitewww.bussmann.comVoltage and Auxiliary Transformer Fuse Links
For more information visit our websitewww.bussmann.com 30
†
Curve
valid
for
all
6.3A
ratings
shown
in
the
selection
table.
*
Curve
British Standard VT Fuse Links.
A range of voltage transformer primary
Fuse Links toBS2692-1 and IEC60282-1.
Wide range of ratings from 1 kV to 36 kV.
3.15 Amp industry standard current ratings.
CAV range with ratings from 3.6kV to 38kV.
Bussmann Voltage and Auxiliary Transformer Fuse Links
Bussmann manufacture a wide range of voltage transformer (VT) fuse links. In North America they are referred to as
Potential Transformer fuses. These fuse links are designed for use in the primary side of voltage transformers to
provide system isolation in the event of faults occurring in the transformer circuit.
Voltage transformer fuse links, have a preferred current rating of 3.15A. Experience has shown that there is a risk of
spurious operation by transient overcurrents where lower current ratings are used. In addition, in order to minimise the
risk of deterioration of the fine fuse elements caused by corona, it is desirable to mount the fuse links so that the
earthed metal is not in the immediate vicinity of the part of the barrel between the ferrules.
Higher current and ‘E’ ratings are available for special applications, including auxiliary transformers.
A range of VT fuse links with a breaking capacity of 200kA for use at the output terminals of large turbo alternators
can also be ordered. For further information, please contact Bussmann application engineers.
Types prefixed ‘A’ or ‘N’ are suitable for use in Air only. Types prefixed ‘O’ may be used under oil.
For DIN dimensioned voltage transformer and auxiliary transformer fuse links, please refer to DIN dimensioned
fuse link section.
For more information visit our websitewww.bussmann.com 28Voltage and Auxiliary Transformer Fuse Links
Selection Table
Table of ratings for voltage transformer fuses 1.1 - 36kV
Voltage Current Breaking Cold Resistance Joule Length Diameter Weight
Rating Rating Capacity Intergral ø
Part Number
(I2t)
Un In I1 A2s
kV A kA Ω PM rein -Aim rcu im ng ToM taa l x Cim leu arm ing mm mm kg
1.1NBUN*2 1.1 2 50 0.145 6.3X100 1.8X101 86 25.4 0.12
1.1NBUN*3.15 1.1 3.15 50 0.107 1.2X101 3.4X101 86 25.4 0.12
1.1NBUN*6.3 1.1 6.3 50 0.065 3.2X101 9.2X101 86 25.4 0.12
3.6ABWN*3.15 3.6 3.15 50 0.358 6.3X100 1.8X101 142 25.4 0.19
3.6ABWN*6.3 3.6 6.3 50 0.120 4.8X101 3.1X102 142 25.4 0.19
3.6ABCN*3.15 3.6 3.15 50 0.358 6.3X100 1.8X101 195 25.4 0.245
3.6ABCN*6.3 3.6 6.3 50 0.120 4.8X101 3.1X102 195 25.4 0.245
3.6ABCN*10 3.6 10 50 0.080 1.1X102 7.0X102 195 25.4 0.245
5.5AMWNA0.5E 5.5 0.5 50 32.5 1.2X100 3.5X100 142 20.6 0.114
5.5AMWNA1E 5.5 1 50 16.0 5.0X100 1.4X101 142 20.6 0.114
5.5AMWNA2E 5.5 2 50 0.584 4.0X100 1.2X101 142 20.6 0.114
5.5AMWNA3E 5.5 3 50 0.320 1.8X101 1.1X102 142 20.6 0.114
5.5AMWNA4E 5.5 4 50 0.190 4.6X101 3.0X102 142 20.6 0.114
5.5AMWNA5E 5.5 5 50 0.147 7.9X101 5.1X102 142 20.6 0.114
5.5ABWNA0.5E 5.5 0.5 50 50.2 0.49X100 1.4X100 142 25.4 0.19
5.5ABWNA1E 5.5 1 50 25.1 2.0X100 5.7X100 142 25.4 0.19
5.5ABWNA2E 5.5 2 50 1.08 1.2X100 3.4X100 142 25.4 0.19
5.5ABWNA3E 5.5 3 50 0.469 6.3X100 1.8X101 142 25.4 0.19
5.5ABWNA5E 5.5 5 50 0.199 3.2X101 2.0X102 142 25.4 0.19
7.2ABWN*3.15 7.2 3.15 45 0.614 6.3X100 4.0X101 142 25.4 0.19
7.2ABWN*6.3 7.2 6.3 45 0.240 4.8X101 3.1X102 142 25.4 0.19
7.2ABCN*3.15 7.2 3.15 45 0.614 6.3X100 4.0X101 195 25.4 0.245
7.2ABCN*6.3 7.2 6.3 45 0.240 4.8X101 3.1X102 195 25.4 0.245
7.2OBCN*3.15 7.2 3.15 45 0.614 6.3X100 4.0X10 195 25.4 0.245
7.2OBCN*6.3 7.2 6.3 45 0.240 4.8X101 3.1X102 195 25.4 0.245
7.2OBWN*3.15 7.2 3.15 45 0.614 6.3X100 4.0X10 142 25.4 0.19
7.2OBWN*6.3 7.2 6.3 45 0.240 4.8X101 3.1X102 142 25.4 0.19
12ABCN*3.15 12 3.15 45 1.21 6.3X100 1.8X101 195 25.4 0.245
12OBCN*3.15 12 3.15 45 1.21 6.3X100 1.8X101 195 25.4 0.245
15.5ABFN*3.15 15.5 3.15 32 1.24 6.3X100 4.0X101 254 25.4 0.31
15.5OBFN*3.15 15.5 3.15 32 1.24 6.3X100 4.0X101 254 25.4 0.31
17.5ABGN*3.15 17.5 3.15 35 1.45 6.3X100 4.0X101 359 25.4 0.43
17.5OBGN*3.15 17.5 3.15 35 1.45 6.3X100 4.0X101 359 25.4 0.43
24ABGN*3.15 24 3.15 25 2.00 6.3X100 4.0X101 359 25.4 0.43
24OBGN*3.15 24 3.15 25 2.00 6.3X100 4.0X101 359 25.4 0.43
36OBGN*3.15 36 3.15 31.5 2.05 1.2X101 7.7X101 359 25.4 0.43
A 36kV AGBN* 3.15A is also available for certain indoor applications. Please contact Bussmann’s application engineers
for further information.
* The last letter of the ordering code on these items is normally either ‘A’ or ‘22’, please refer to ‘how to order’
page 61 for an explanation.
Fuse Link type: TAG type “A” Ferrule and “22”
FUSELINKTYPE A B D
NBUN* 86 17.5 25.4
ABWNA 142 30 25.4
AMWNA 142 16 20.5
OBWN* 142 30 25.4
ABCN* 195 30 25.4
OBCN* 195 30 25.4
ABFN* 254 30 25.4
OBFN* 254 30 25.4 8mm bolt with BSW thread
ABGN* 359 30 25.4
Ferrule Fuse Link Tag type “A” shown in full lines
OBGN* 359 30 25.4
and “22” Tag shown in dotted lines
29 For more information visit our websitewww.bussmann.comVoltage and Auxiliary Transformer Fuse Links
For more information visit our websitewww.bussmann.com 30
†
Curve
valid
for
all
6.3A
ratings
shown
in
the
selection
table.
*
Curve
AIGCBussmann是一家在全球知名的电器制造商，专注于为电力系统提供各种高质量的电气设备和解决方案。其中，"电压互感器变压器保护用高压熔断器"是专门为电力系统中的电压互感器（VT）和变压器提供过压及短路保护的重要元件。
这种高压熔断器在电力系统中扮演了关键角色，当电压互感器或变压器内部发生故障，如电压升高、电流过载或短路时，能够迅速切断电路，防止进一步损坏设备并确保人员与系统的安全。Bussmann生产的此类高压熔断器通常具备高可靠性、长寿命、快速动作以及精确的保护特性，以满足不同等级和应用场景下的严格要求。因此，在电力系统的设计与维护过程中，Bussmann高压熔断器被视为必不可少的安全防护设备之一。
