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EATON DBU Series Expulsion Fuses
Eaton DBU Series expulsion fuses are used in medium voltage power distribution applications to protect electrical equipment and power distribution systems from current overloading and short circuits.
A
B
C
D
E
F
G
H| Style | Model | Amps | Height | Fuse Class | Mounting Type | Type | |
|---|---|---|---|---|---|---|---|
| A | DBU17-200SE | - | 2 1/4" | - | - | - | RFQ
|
| B | DBU-EFOD | - | 4 1/2" | - | - | DBU | |
| C | 38DBA1-5E-Q | - | 31 1/2" | - | - | - | |
| D | DBU17-125E-Q | - | 31 1/2" | - | - | DBU | |
| E | DBU38-GNM-L | - | 20" | - | - | DBU | RFQ
|
| F | DBU17-DMNM | - | 2 1/5" | - | - | DBU | |
| F | DBU27-DMNM | - | 2 4/5" | - | - | DBU | |
| G | DBU38-3K | 3A | 2 1/4" | Class K | - | DBU | RFQ
|
| G | DBU27-3K | 3A | 2 1/4" | Class K | - | DBU | |
| H | DBU17-3K | 3A | 2 1/4" | Class K | - | DBU | |
| G | DBU27-5E | 5A | 2 1/4" | Class E | - | DBU | |
| G | DBU17-5E | 5A | 2 1/4" | Class E | - | DBU | |
| G | DBU38-5E | 5A | 2 1/4" | Class E | - | DBU | RFQ
|
| G | DBU27-6K | 6A | 2 1/4" | Class K | - | DBU | |
| G | DBU38-6K | 6A | 2 1/4" | Class K | - | DBU | RFQ
|
| H | DBU17-6K | 6A | 2 1/4" | Class K | - | DBU | RFQ
|
| G | DBU38-7E | 7A | 2 1/4" | Class E | - | DBU | |
| G | DBU27-7E | 7A | 2 1/4" | Class E | - | DBU | |
| G | DBU17-7E | 7A | 1" | Class E | - | DBU | |
| H | DBU17-8K | 8A | 2 1/4" | Class K | - | DBU | RFQ
|
| G | DBU27-8K | 8A | 2 1/4" | Class K | - | DBU | |
| G | DBU38-8K | 8A | 1" | Class K | - | DBU | |
| H | DBU17-10K | 10A | 2 1/4" | Class K | - | DBU | |
| G | DBU38-10E | 10A | 2 1/4" | Class E | - | DBU | |
| G | DBU27-10E | 10A | 2 1/2" | Class E | - | DBU | |
| G | DBU27-10K | 10A | 2 1/4" | Class K | - | DBU | |
| G | DBU38-10K | 10A | 1" | Class K | - | DBU | |
| G | DBU17-100E | 10A | 2 1/4" | Class E | - | DBU | |
| G | DBU17-10E | 10A | 2 1/2" | Class E | - | DBU | |
| H | DBU17-12K | 12A | 2 1/4" | Class K | - | DBU | |
| G | DBU27-12K | 12A | 2 1/4" | Class K | - | DBU | |
| G | DBU38-12K | 12A | 1" | Class K | - | DBU | |
| G | DBU17-13E | 13A | 2 1/4" | Class E | - | DBU | |
| G | DBU38-13E | 13A | 2 1/4" | Class E | - | DBU | |
| G | DBU27-13E | 13A | 2 1/4" | Class E | - | DBU | |
| H | DBU17-15K | 15A | 2 1/4" | Class K | - | DBU | RFQ
|
| G | DBU27-15K | 15A | 2 1/4" | Class K | - | DBU | RFQ
|
| G | DBU27-15E | 15A | 2 1/4" | Class E | - | DBU | |
| G | DBU27-15SE | 15A | 1" | Class Se | - | DBU | |
| G | DBU38-15K | 15A | 1" | Class K | - | DBU | |
| G | DBU17-15E | 15A | 2 1/4" | Class E | - | DBU | |
| G | DBU38-15SE | 15A | 1" | Class Se | - | DBU | |
| G | DBU38-15E | 15A | 2 1/4" | Class E | - | DBU | RFQ
|
| A | DBU17-15SE | 15A | 2 1/4" | Class Se | - | DBU | |
| G | DBU38-175E | 17A | 2 1/4" | Class E | - | DBU | |
| G | DBU27-20E | 20A | 2 1/4" | Class E | - | DBU | |
| H | DBU17-20K | 20A | 2 1/2" | Class K | - | DBU | RFQ
|
| G | DBU38-20K | 20A | 2 1/4" | Class K | - | DBU | |
| G | DBU17-20E | 20A | 2 1/4" | Class E | - | DBU | |
| G | DBU27-20K | 20A | 1" | Class K | - | DBU | |
| G | DBU27-20SE | 20A | 2 1/2" | Class Se | - | DBU | |
| G | DBU38-20E | 20A | 2 1/4" | Class E | - | DBU | |
| G | DBU38-20SE | 20A | 2 1/2" | Class Se | - | DBU | |
| A | DBU17-20SE | 20A | 2 1/4" | Class Se | - | DBU | |
| G | DBU27-25SE | 25A | 2 1/2" | Class Se | - | DBU | RFQ
|
| A | DBU17-25SE | 25A | 2 1/4" | Class Se | - | DBU | RFQ
|
| H | DBU17-25K | 25A | 2 1/4" | Class K | - | DBU | |
| G | DBU38-25E | 25A | 2 1/2" | Class E | - | DBU | |
| G | DBU38-25SE | 25A | 2 1/2" | Class Se | - | DBU | |
| G | DBU27-25E | 25A | 2 1/4" | Class E | - | DBU | |
| G | DBU38-25K | 25A | 2 1/2" | Class K | - | DBU |
Features
- Eaton DBU Series expulsion fuses have a weatherproof label for providing rating and manufacturer information.
- They feature calibrated pure silver element and Nichrome strain wire, making them less prone to premature operation caused by vibration, corona corrosion or ageing of the fuse elements.
- These expulsion fuses have copper plated end connections for improved conductivity.
- They are available in voltage ratings of 17 / 27 / 38KV.
Standards and Approvals
- IEEE
Frequently Asked Questions
How do Eaton DBU Series expulsion fuses break the circuit?
Electrical fuses have a thin piece of wire which melts in case of fault to open the circuit and stop the flow.
What is the difference between MCBs and fuses?
Fuse is a metal piece that melts when there is an excess current due to overload, while a circuit breaker has an internal switch that gets tripped when there is excess current in the circuit.
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