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No. A slow blow fuse is intended to survive a short overload from the startup of a piece of equipment, usually a motor or power supply. If you use a fast blow fuse in this application, it will tend to blow unexpectedly.
Motors usually pull four times their rated running current on startup, but only for a very short period of time. The slow blow fuse, or slow trip circuit breaker, is designed to handle this. Similarly, power supplies need to charge the primary filter capacitor from zero voltage in one line cycle on startup. Worst case is turning on the power switch at the peak of the line cycle. Inductance of the transformer (if present) and dynamic resistance of the diode mitigates this, but there is still a larger than normal current transient. Again, the slow blow protective device allows this in the short term.
Hy i'm GbRlEuEeN, i used f10a(fast) fuse to replace t5a fuse(slow) but was on audio sistem(subwoofer) and i will change back as soon il get the t5a. ( i tryed f5a first but blowed instant at power up.
Wiki User
∙ 11y ago
Wiki User
∙ 13y agoBecause some electrical devices draw lots of amps at startup. Things like an electrical motor, or compressor. If you used a normal fuse it would constantly blow the fuse every time it started.
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Are fast acting fuses and fast blow fuses the same thing?
Slow blow Fuse that can withstand a heavy current (up to ten times its rated value) for a small period of time before it opens. Normally used for inductive loads like fans, transformers, etc. Fast blow Fast-acting fuses have no intentional built in slow-blow and are used in circuits without transient inrush currents. Fast-acting fuse opens on overload and short-circuits very quickly. This type of fuse is not designed to withstand temporary overload currents associated with some electrical loads.
What does a 4a 250v slow blow fuse normally LOOK LIKE and Is it supposed to look like a fast blow with a bead of solder in the middle?
The information of, if the fuse is a slow blow or not, is printed on the fuse. In electrical terminology it is known as a time delay fuse. Smaller glass envelope time delay fuses will have a spring mechanism that can be seen through the glass envelope. Time delay fuses are used in circuit that have a high inrush current when the device is first switched on. A good example of this would be an electric motor. The bead of solder on the end of glass fuses is how the spring is supported to the end cap of the fuse.
What is a fuse T5AL?
A T5AL is a tubular 5 amp 20mm x 5mm Slow Blow Anti Surge glass fuse.
How do you know when a slow blow fuse is bad?
There's really no general way of knowing, it's all down to how sensitive the equipment the fuse is hooked up to is. There should be recommendations on what type of fuse to use.
Why should you use a proper fuse with proper specifications?
If you use a fuse that's too slow, or too highly rated, the excess current passing through the circuit may damage both equipment and wiring. If you use a fuse that's too fast, or with too low rating, it may blow prematurely preventing the equipment from working properly.
Is FRN fuse same as NON Fuse?
no A FRN fuse is a slow blow fuse where an non is a fast blow fuse. In a pinch a slow blow fuse can be use in a fast blow circuit but not the other way around.
Can a slow blow fuse be used in place of a fast blow fuse?
Any piece of machinery that is designed to use a fast blow fuse should only use a fast blow fuse. For safety reasons this could save your life instead of taking it.
How to identify fast blow fuse?
If the fuse is labelled F it is fast-blow or T OR S it is slow-blow, the letter should be on the metal cap on the ends of the fuse.
How we physically indentify the slow blow and fast blow class fuse?
The fast blow fuse will generally only have a straight wire between the terminals, while the slow blow version will have part of that wire coiled up as a spring.
How many second it takes the fast blow fuse to blow?
The time it takes for a fuse to blow, either "fast blow" or "slow blow" is determined by the design of the fuse and is described in a table or graph provided by the manufacturer. In general, the higher the applied overload current, the faster the fuse will blow. Fast blow fuses can open in milliseconds, slow blow fuses can open in several seconds. The fuse used depends entirely on the application and what kind of circuit it is protecting.
Does gallien krueger 700 rb II series bass amp use a fast blow or slow blow fuse?
slow
What does F stand for in a fuse labeled F6A 250V?
Typically the "F" stands for "Fast Blow" or "Fast Acting". A "T", as in T6A, would mean "Time Delay" or Slow-Blow. So, an F6A 250 is a Fast Acting (Fast Blow) 6 Amp 250 Volt Fuse.
What is the Characteristic of slow blow fuse?
It depends on the precise type of slow blow fuse, but in general terms a fuse with a slow blow characteristic will take longer to operate (blow) at high overload currents than one with a normal characteristic. For low overload currents it will operate in about the same time as a normal fuse.
What is another name for slow-blow-fuses?
another name could be "dual-element fuse" as these are the slow-blow type.
Why does fuel pump fuse keep blowing?
Check to insure that you are replacing the fuse with the same fuse size and type (fast blow fuses don't substitute for slow blow.) If this is ok the either the pump relay or the pump is going bad and drawing too much power for the fuse to handle.
Are fast acting fuses and fast blow fuses the same thing?
Slow blow Fuse that can withstand a heavy current (up to ten times its rated value) for a small period of time before it opens. Normally used for inductive loads like fans, transformers, etc. Fast blow Fast-acting fuses have no intentional built in slow-blow and are used in circuits without transient inrush currents. Fast-acting fuse opens on overload and short-circuits very quickly. This type of fuse is not designed to withstand temporary overload currents associated with some electrical loads.
What is slo-blow fuse?
Slow burning fuse usually to alot time to evacuate an area
