DC Fuses for use in Boats, RV's, Autos and mobile applications
Class T Fuses
> Blue Sea 5118 Fuse A3T (Class T) 250 Amp
Blue Sea Systems #5118 Fuse A3T (Class T) 250 Amp
Blue Sea 5118 Fuse A3T (Class T) 250 Amp
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250 Amp Class-T fuse
Extremely fast short-circuit response
20,000 Ampere Interrupt Capacity (AIC)
For use up to 160 volts DC
UL listed to standard 248-15
DC tested to UL standard 198L
NOT ignition protected
Should you buy a spare fuse or not? I suppose that is like asking if you are an optimist or a pessimist? Some things to consider are:
How inconvenient it would be to get a replacement?
How much does a spare cost?
Would it give you peace of mind knowing you had a spare?
Are you the kind of person who could never find the spare even if you had one?
Did that help?
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to
Extract from Cooper Bussmann datasheet for TJN fuses
Small, space-saving fuses provide a high degree of current-limitation on short-circuits for excellent component protection.
Commonly applied in electric heat circuits, load center, disconnect switches, and meters.
The small size of the TJN fuses permits installation in panelboards and control centers for system upgrading when existing circuit breakers cannot safely interrupt larger available short-circuit currents.
High speed of response for semiconductor protection.
No intentional time-delay; opens quickly on overload.
CE, UL Listed, Std. 248-15, Class T, Guide JDDZ, File E162363 CSA Certified, C22.2 No. 248.12, Class 1422-02, File 53787
Custom battery cables - (These are made to order and are not returnable)
Typically 24 hr turnaround - custom cables do not qualify for free shipping
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