How do I know which cartridge fuse amp rating to buy?

Match the amp rating printed on your existing fuse or specified by your load-center/equipment documentation. Cartridge fuses are sold in standard ratings such as 15A, 20A, 30A and 60A, with voltage classes like 250V and 600V. Confirm both the amperage and voltage figures, plus the physical size, so the replacement fits your holder correctly.

What is the difference between time-delay and fast-acting cartridge fuses?

Time-delay (slow-blow) fuses tolerate brief inrush currents, making them suited to motors and transformers, while fast-acting fuses trip quickly to protect sensitive electronics. Choose the type that matches the original fuse specification for your circuit and keep the amp, voltage and class ratings identical.

How to buy an original YOLISTIC 30A slow-blow fuse in India?

Purchase from authorized US retailers and authorized brand partners via crowcrowcrow.com. Our fuses are factory-sealed and imported per-order, with all customs duties and GST included in the listed INR price. They are shipped via ExpressBox tracked delivery across India.

Are these YOLISTIC fuses safe for Indian electrical systems?

Yes, these 250V rated fuses are suitable for Indian mains voltage (230V/50Hz). Always ensure the fuse's amperage and voltage rating match or exceed the circuit's requirements. For safety, installation and replacement should be performed by a qualified electrician with the power disconnected.

What does 'slow-blow' or 'time-delay' mean for a fuse?

A slow-blow fuse is designed to withstand temporary current surges, like those from motor startup, without blowing. It will still trip on sustained overloads, offering protection without nuisance tripping. This is crucial for inductive loads and power supplies where fast-acting fuses might fail prematurely.

Can I use these 6x30mm fuses in any fuse holder?

These fuses are specifically 6x30mm in size. Ensure your fuse holder or electrical device is designed for this exact cartridge size and the 30A/250V rating. Using the wrong size or rating can lead to improper function, damage, or fire hazards.

YOLISTIC 30A Slow-Blow Ceramic Fuse 6x30mm (10-Pack)

Name: YOLISTIC 30 Amp Slow-Blow Ceramic Fuse 6x30mm (Pack of 10) | UL 248-1/14 Certified Time Delay Protection
Brand: YOLISTIC
SKU: peq1907
Price: 1554.00 INR
Availability: InStock

About this item

YOLISTIC 30 Amp Slow-Blow Ceramic Fuses provide essential over-current protection for a wide range of electronic devices, industrial lighting, and power supply applications. Certified to UL 248-1/14 standards, these 6x30mm fuses ensure reliable performance and safety for your circuits. Imported directly to India, they offer a dependable alternative to local options.

Each fuse features a ceramic body with alloy and nickel-plated brass contacts, filled with quartz sand for enhanced durability and performance. The slow-blow (time-delay) characteristic is crucial for circuits with high inrush currents, such as motors and transformers, preventing nuisance tripping while still protecting against sustained overloads. This pack contains 10 fuses, each rated for 30A and 250V.

Ensure your electrical systems are protected with these high-quality, imported fuses. They are ideal for replacing blown fuses in power supplies, adapters, and various industrial equipment. All customs duties and GST are included in the price, with delivery via ExpressBox tracked shipping across India.

Key Features

Body Material : Ceramic Tube/ Alloy/ Nickel Plated Brass/ Quartz Sand
Size: 6x30mm
Amp Rating: 30A, Voltage Rating: 250V
Item Package Quantity: 10 PCS
Fuse Type : Slow Blow (Time Delay)

Why choose this product

Engineered for Industrial Circuits

These YOLISTIC 30A, 250V ceramic fuses are built for demanding applications. Their slow-blow characteristic is vital for protecting equipment like industrial lighting, power supplies, and adapters from damaging over-currents. Unlike basic fast-acting fuses, they can handle the initial surge when devices power on, preventing unnecessary shutdowns. Imported directly, they offer a trusted solution for maintaining operational continuity in your Indian setup.

Who Should Buy vs. Who Should Skip

Ideal for electricians, technicians, and industrial users needing reliable 30A, 250V time-delay protection for motors, transformers, or sensitive electronics. Skip if you require a fuse for automotive applications or a different amperage/voltage rating; always match the original fuse specifications precisely to avoid circuit damage or fire hazards.

How to use

Ensure Power is Off — Before replacing any fuse, always disconnect the power supply to the device or circuit. Use a voltage tester to confirm the circuit is de-energized to prevent electrical shock.
Locate and Remove Old Fuse — Open the fuse holder or compartment. Note the original fuse's amperage, voltage, and type (slow-blow/fast-acting). Carefully remove the blown fuse, typically by pulling it straight out or releasing a clip.
Insert New Fuse — Insert the new YOLISTIC 30A, 250V slow-blow fuse into the holder, ensuring it is seated correctly and securely. Double-check that the new fuse's specifications match the old one exactly.
Restore Power and Test — Close the fuse holder or compartment. Restore power to the device or circuit. If the fuse blows again immediately, there may be an underlying electrical fault that requires professional diagnosis.

Example scenarios

Typical situations where YOLISTIC 30 Amp Slow-Blow Ceramic Fuse 6x30mm (Pack of 10) | UL 248-1/14 Certified Time Delay Protection helps — illustrative scenarios, not customer reviews.

Scenario 1

Illustrative example

Where it helps

Protecting industrial lighting circuits in a factory setting with high inrush currents.

How this product helps

YOLISTIC's 30A slow-blow fuses handle the initial surge when lights power on, preventing nuisance trips. Their UL certification ensures reliable protection against sustained overloads, maintaining operational continuity.

Scenario 2

Illustrative example

Where it helps

Replacing a blown fuse in a sensitive power supply unit for electronic equipment.

How this product helps

The 6x30mm, 250V, 30A time-delay fuse offers precise protection. Its ceramic construction and quartz sand filling ensure consistent performance, safeguarding delicate components from over-current damage.

Specifications & installation

Installation & usage

Application	Over current protection for electronic devices, industrial lighting, power supply, and adapter applications
Standards Met	UL 248-1 / -14
Cost per use	10 fuses at ₹1,554 — ₹155 per fuse
Shelf life after opening	12 months
Contraindications	Not for use in automotive circuits or circuits exceeding 250V or 30A.
Allergens / common irritants	None

How we compare

Feature	YOLISTIC 30 Amp	Others
Fuse Type	Slow-Blow (Time Delay)	Varies by brand; often fast-acting or time-delay
Certification	UL 248-1/14 Certified	May have BIS or IEC certification; verify specific product
Construction	Ceramic body, alloy contacts, quartz sand fill	Varies; ceramic or glass bodies common
Cost per fuse (10-pack)	₹155 per fuse	₹15 - ₹50 per fuse (approx. ₹150-₹500 for 10)
Voltage Rating	250V	Typically 250V or 600V

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Spec
Price

YOLISTIC 30 Amp Slow-Blow Ceramic Fuse 6x30mm (Pack of 10) | UL 248-1/14 Certified Time Delay Protection

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About this item

Key Features

Why choose this product

How to use

Example scenarios

Specifications & installation

Installation & usage

How we compare

FAQ, See What Others Asked

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SKU	peq1907
Brand	YOLISTIC
Model Number	30 Amp
Part Number	P-CFUSE-L-30
Fuse Type	Slow Blow (Time Delay)
Amp Rating	30A
Voltage Rating	250V
Body Material	Ceramic Tube / Alloy / Nickel Plated Brass / Quartz Sand
Size	6x30mm
Item Package Quantity	10
Mounting Type	Surface Mount
Country of Origin	Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners