Will this fuse work on an rv high pointe 20a 125v microwave?

Most microwave fuses are the same so these should work.

What do you mean "slow-blow compatible"? Are they slow blow or are they fast-acting?

Slow-blow is that fuse permits loading current over its rated-current for a very short time, but no long time. such as one 10a fuse of slow blow permit 12a current on a instant time, and not burnt to broken circuit and cut off circuit, but after a long time such as serveral seconds later it still will burnt. yet the fast-acting fuse is that current reach 10a, it will fast to burnt and cut off circuit, fast-acting is not permit overload. some appliance especially some inductive load such as motor and others needs to over-current for a short time. so some fuse of slow-blow fuses are replaced with fast-acting fuses, it will appear burnt and after replacement offen. these are slow-blow type.

Will these work in a Bosch nicrowave?

Bosch Microwave has several types, their most inline fuse are 250V 10A OR 250V 20a, so it fit the 250v 20a fuse.

Is this the same type of ceramic fuse you find in old campers?

Not sure about old campers. I see it a lot in microwaves where the initial start up draws a lot of current then subsides.

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BlueCatELE Microwave Fuse 20 Amp 250V 6x30 mm/0.24x1.2 in(Dia x Len) Slow-Blow Ceramic Fuse 5 PCS Universal Replacement for GE WB27X10388 and Whirlpool Kenmore Other Microwaves

BlueCatELE Microwave Fuse 20 Amp 250V 6x30 mm/0.24x1.2 in(Dia x Len) Slow-Blow Ceramic Fuse 5 PCS Universal Replacement for GE WB27X10388 and Whirlpool Kenmore Other Microwaves

Product ID: 359826821

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Details

AC adapter current
20 Amps
Brand
BlueCatELE
Voltage
250 Volts
Material
Metal
Mounting type
Through-Hole

⚡20 Amp surge-proof slow-blow fuse

🔌Universal fit for GE, Whirlpool & Kenmore

🛡️Ceramic shell with sand for shatterproof safety

Description

⚡ Power up your microwave’s safety with slow-blow precision!

UNIVERSAL COMPATIBILITY - Perfectly replaces GE WB27X10388 and fits most Whirlpool, Kenmore, and other microwave models.
COMPACT PRECISE SIZING - 6x30 mm (0.24x1.2 in) dimensions for a seamless, hassle-free replacement experience.
RELIABLE 1 YEAR WARRANTY - Confidence backed by a full year warranty for peace of mind and long-term protection.
DURABLE CERAMIC CONSTRUCTION - Sand-filled ceramic tube prevents dangerous glass shards, ensuring safer fuse failure.
SURGE RESISTANT SLOW BLOW TECHNOLOGY - Designed to handle microwave startup surges without blowing prematurely.

The BlueCatELE Microwave Fuse is a 20 Amp, 250V slow-blow ceramic fuse sized 6x30 mm, engineered to protect your microwave from power surges and overloads. Its sand-filled ceramic design prevents glass fragmentation on failure, making it safer than traditional glass fuses. Compatible with major brands like GE, Whirlpool, and Kenmore, this universal replacement fuse ensures reliable, long-lasting microwave protection backed by a 1-year warranty.

Specifications

Manufacturer	Ohmmonburged
Part Number	8541989088
Package Dimensions	8.2 x 6.1 x 1.4 cm; 20 g
Item model number	8541989088
Colour	Silver, White
Material	Metal
Voltage	250 Volts
Amperage Capacity	20 Amps
Number of Pieces	5
Plug profile	Through-Hole Mount
Special Features	Slow-Blow
Batteries included?	No
Batteries Required?	No
Item Weight	20 g

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