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Eaton GMA-15-R 15 A 125 Vac Glass Quick-Blow Fuse
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pEaton GMA-15-R — 15 A, 125 V, fast-acting glass cartridge fuse, 150 A at 125 Vac interrupting./p
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Eaton GMA-15-R 15 A 125 Vac Glass Quick-Blow Fuse
The GMA-15-R from Eaton carries 15 A, rated 125 Vac, in a glass body.
Technical Data
| Parameter | Rating |
|---|---|
| Part number | GMA-15-R |
| Body | Glass tube, 5 x 20 mm |
| Typical melting I2t | 950 A²s |
| AC interrupting rating | 150 A at 125 Vac |
| End caps | silver-plated brass 63-315 mA, nickel-plated 500 mA-15 A |
| Breaking capacity | 35 A at 250 Vac up to 3 A, 10,000 A at 125 Vac, 150-200 A above 6 A |
| Element | single element |
| Typical DC cold resistance | 0.004 Ω |
| Rated current | 15 A |
| Design standard | UL/CSA 248-14 |
| Maximum voltage drop | 100 mV |
| Voltage rating | 125 Vac |
Practical Notes
- Interrupting capability is 150 A at 125 Vac — confirm the circuit's prospective fault current stays below this.
- Glass body lets you inspect the element after a fault.
- Best kept for lower fault-current circuits where visual diagnosis matters.
- Working voltage must stay at or below 125 Vac; a lower-rated part is not a safe substitute.
- Do not upsize beyond 15 A to stop nuisance trips — fix the cause instead.
Application Scenarios
Common installation contexts include:
- EV
Questions and Answers
What are the ratings of the GMA-15-R?
15 A continuous at 125 Vac, interrupting rating 150 A at 125 Vac.
Can the GMA-15-R be used on a higher fault-current circuit?
No — its interrupting rating is 150 A at 125 Vac. Choose a part whose breaking capacity exceeds the prospective fault current.
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