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EATON DBA Series Expulsion Fuses


Eaton DBA Series expulsion fuses are used in electrical systems to prevent damage due to overcurrent conditions. They utilise an expulsion element (boric acid) to safely remove the fuse from the circuit in the event of a faulty condition. They have a compact design that helps conserve space in electrical panels and equipment. These fuses feature an instant-acting DE-ION circuit interruption and a mechanical dropout action that provides a 180-degree air break. This mechanism allows circuit protection to higher voltage ratings, as well as, a...t the same time, offers short circuit protection for systems of moderate capacity. Read more

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EATON 25RBA4-200E-QA
EATON 38RBA4-20E-QB
EATON 38DBA1-3E-QC
EATON 15DBA1-15ED
StyleModelVoltageAmpsHeightTypeMax. VoltageNotesFuse ClassPrice
A
25RBA4-200E-Q		--12"----€1,146.61
B
38RBA4-20E-Q		-------€1,274.63
B
15RBA4-400E-Q		-------€1,102.16
B
15RBA2-25E-Q		-------€807.09
C
38DBA1-3E-Q		--31 1/2"----€5,475.84
B
38DBA1-7E-Q		-------€5,135.86
C
38DBA1-10E-Q		--31 1/2"----€5,135.86
B
8RBA4-150E-Q		-------€1,038.18
B
38RBA4-5E-Q		-------€1,274.63
B
38RBA4-15E-Q		-------€1,274.63
B
38RBA4-10E-Q		-------€1,274.63
B
38RBA4-7E-Q		-------€1,274.63
B
38RBA4-3E-Q		-------€1,358.99
B
38RBA4-50E-Q		-------€1,274.63
C
8DBA1-3E		7.2 kV3A1"DBA18.3 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.--
RFQ
C
8DBA1-200E		7.2 kV200A1"DBA18.3 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.-€2,769.71
C
8DBA1-80E		7.2 kV80A1"DBA18.3 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.-€2,769.71
D
15DBA1-15E		14.4 kV15A1"DBA115.5 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€3,635.45
D
15DBA1-3E		14.4 kV3A1"DBA115.5 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€3,635.45
D
15DBA1-80E		14.4 kV80A1"DBA115.5 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€3,635.45
D
15DBA1-30E		14.4 kV30A1"DBA115.5 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€3,876.12
D
15DBA1-5E		14.4 kV5A1"DBA115.5 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€3,635.45
D
15DBA1-40E		14.4 kV40A1"DBA115.5 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€3,876.12
D
15DBA1-100E		14.4 kV100A2 1/4"DBA115.5 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€3,876.12
D
15DBA1-10E		14.4 kV10A2 1/4"DBA115.5 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€3,635.45
D
15DBA1-50E		14.4 kV50A1"DBA115.5 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€3,876.12
D
15DBA1-65E		14.4 kV65A1"DBA115.5 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.-€3,635.45
D
25DBA1-5E		23 kV5A1"DBA125.5 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€3,941.20
D
25DBA1-50E		23 kV50A1"DBA125.5 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€3,941.20
D
25DBA1-125E		23 kV125A1"DBA125.5 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€3,941.20
D
25DBA1-100E		23 kV100A1"DBA125.5 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€3,941.20
D
25DBA1-3E		23 kV3A2 1/4"DBA125.5 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€3,941.20
D
38DBA1-150E		34.5 kV150A2.1"DBA138 kV-Class E€4,280.79
D
38DBA1-50E		34.5 kV50A2 1/5"DBA138 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€4,280.79
D
38DBA2-80E		34.5 kV80A1"DBA238 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€4,255.18
D
38DBA2-3E		34.5 kV3A1"DBA238 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€3,990.98
D
38DBA1-5E		34.5 kV5A2.3"DBA138 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€4,564.14
D
38DBA1-7E		34.5 kV7A31 1/2"DBA138 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€4,280.79
D
38DBA1-80E		34.5 kV80A2 1/5"DBA138 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€4,564.14
D
38DBA1-125E		34.5 kV125A2 1/5"DBA138 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€4,280.79
D
38DBA1-40E		34.5 kV40A-DBA138 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E-
RFQ
D
38DBA1-3E		34.5 kV3A2 1/4"DBA138 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€4,280.79
D
38DBA1-65E		34.5 kV65A2 1/5"DBA138 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€4,280.79
D
38DBA1-100E		34.5 kV100A2.3"DBA138 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€4,280.79
D
38DBA1-25E		34.5 kV25A2 1/4"DBA138 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€4,280.79
D
38DBA1-10E		34.5 kV10A2 1/2"DBA138 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€4,280.79
D
38DBA1-15E		34.5 kV15A55.88 mmDBA138 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€4,280.79
C
38DBA2-150E		34.5 kV150A2 1/4"DBA238 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€3,990.98
C
38DBA2-125E		34.5 kV125A1"DBA238 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€3,990.98
C
48DBA2-100E		46 kV100A1"DBA248 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€11,618.83
C
48DBA2-20E		46 kV20A1"DBA248 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€11,457.46
C
48DBA2-5E		46 kV5A1"DBA248 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€11,457.46
C
48DBA2-3E		46 kV3A1"DBA248 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€11,457.46
C
48DBA2-40E		46 kV40A1"DBA248 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€11,457.46
C
48DBA2-150E		46 kV150A1"DBA248 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€11,457.46
C
48DBA2-200E		46 kV200A2 1/4"DBA248 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€11,457.46
C
48DBA1-80E		46 kV80A1"DBA148 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€4,844.31
C
48DBA1-40E		46 kV40A1"DBA148 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€4,844.31
C
48DBA2-65E		46 kV65A2 1/4"DBA248 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€11,457.46
C
48DBA1-30E		46 kV30A1"DBA148 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€4,844.31
C
48DBA2-125E		46 kV125A1"DBA248 kVMountings Are No Longer Available For BA Refills, But A Limited Range Of Replacement Fuse Holders Are Still Available. New And Replacement Applications Should Use RBA Fuses That Have Superseded BA Fuses.Class E€11,457.46

Working Mechanism

  • Under fault conditions, the fuse element melts and the helical spring pulls the arching rod & arc through the cylinder.
  • The upper end of the arching rod drives through a small hole in the top of the ferrule of the fuse unit and strikes the trigger-releasing ejector.
  • The trigger then operates and causes the ejector spring to force the ejector casting against the fuse assembly and causes it to swing through a 180-degree arc into a drop-out position.
  • The drop-out action provides an immediate visual indication that the circuit to which the fuse is connected has been interrupted.

Frequently Asked Questions

What is an air break?

The air break eliminates any possibility of carbonised fuse parts breaking down to prevent leakage or other faults in a system after it has been interrupted.

What is a replaceable-type expulsion fuse?

Replacement-type expulsion fuses can be easily replaced after they have been tripped or blown due to excessive current flow. Unlike traditional fuses that must be replaced with a new one after they have opened, expulsion fuses have a replacement element that can be easily taken out using a switch stick without having to replace the entire unit.

How to install these DBA fuse units?

  • Remove fuse fittings from the hinge casting.
  • Check the gauging distance between the centre of the guide pin in the latch housing and the bottom of the socket in the hinge casting.
  • Install the suitable fuse unit equipped with fittings in the mounting.
  • Check the operation of the latch assembly by closing and opening the fuse units.

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