MERSEN Fuse: SMF Series, Time-Delay, 4 A
The MERSEN SMF Series Time-Delay Fuse (MPN SMF4) is a 4 A, 300 V AC cylindrical fuse with integrated insulating caps. This time-delay fuse is designed for overcurrent protection in industrial equipment.
SKU 3G-OTH-24076
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Product Description
The MERSEN SMF Series Time-Delay Fuse (MPN SMF4) is a 4 A, 300 V AC cylindrical fuse with integrated insulating caps. This time-delay fuse is designed for overcurrent protection in industrial equipment.
Frequently Asked Questions
What is the MERSEN SMF4 fuse used for?
The MERSEN SMF4 is a 4 A, 300 V AC time-delay fuse used for overcurrent protection in industrial equipment. Its cylindrical body with integrated insulating caps suits panel and machinery applications where reliable, delayed-blow response is needed to handle inrush currents without nuisance tripping.
What are the specifications of the MERSEN SMF4 fuse?
The MERSEN SMF4 is a cylindrical time-delay fuse rated 4 A at 300 V AC. It belongs to the SMF series and features integrated insulating caps. The manufacturer part number is SMF4. These specs make it suitable for protecting circuits in industrial control panels and power distribution.
Where to buy MERSEN SMF4 fuses worldwide?
3G Electric supplies the MERSEN SMF4 fuse to customers worldwide. As a global industrial sourcing partner, we handle full logistics and customs clearance to deliver this 4 A, 300 V AC time-delay fuse to your facility. Contact us for a quote and delivery timeline.
How to select the right MERSEN SMF series fuse for my application?
Select the MERSEN SMF series fuse by matching the voltage (300 V AC max) and current rating (e.g., 4 A for SMF4) to your circuit's requirements. Consider the time-delay characteristic for motor or transformer inrush. Always verify the interrupting rating and physical dimensions for your fuse holder.
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3G Electric supplies MERSEN time-delay fuses with integrated insulating caps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















