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EATON Bussmann Series RBA Expulsion Fuse Holders
Eaton Bussmann Series RBA expulsion fuse holders are suitable for accommodating fuses where high-current protection is required. They are used in low-voltage distribution systems, power transformers and motor control centres.
A
B| Style | Model | Height | Type | amps | voltage | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|
| A | 7185A79G01 | 6 1/2" | Rba | - | - | €350.61 | |
| B | 25RDB2-DH | 6.3" | Rdb | 200A | 25.5 kV | €2,651.74 |
Working Mechanism
- The expulsion fuse holder operates by securing an expulsion fuse that is engineered to break the circuit when a fault occurs by producing a gas that extinguishes the arc. The fuse element melts when a fault is detected, generating gas that expels the arc from the holder and interrupts the circuit.
Standards and Approvals
- UL
- CSA
Frequently Asked Questions
What is the difference between expulsion fuses and current limiting fuses?
Expulsion fuses do not restrict the maximum current during a fault, while current-limiting fuses restrict both the energy and maximum current during a fault.
Can Eaton Bussmann Series RBA expulsion fuse holders be used in outdoor applications?
Yes, Eaton Bussmann Series RBA expulsion fuse holders are NEMA-rated and can be used for both outdoor and indoor applications as they are weather-resistant and can withstand harsh environmental conditions.
Is it necessary to replace the expulsion fuse after a fault?
Yes, after a fault, it is crucial to replace the expulsion fuse as it can melt and isolate the circuit during a fault. Neglecting to replace the fuse may lead to an extended outage or harm to electrical equipment.
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