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MERSEN SLR Series Fast-Acting Fuse - Fast-Acting Fuses with Integrated Insulating Caps
MERSENFast-Acting Fuses with Integrated Insulating Caps

MERSEN SLR Series Fast-Acting Fuse

The MERSEN SLR Series Fast-Acting Fuse (MPN SLR4) is a cylindrical fuse rated at 4 A and 300 V AC. It features an integrated insulating cap and is designed for fast-acting overcurrent protection in industrial equipment.

SKU 3G-OTH-24468

Also listed as: SLR 4 · SLR-4

Brand
MERSEN
Item
SLR Series Fast-Acting Fuse
Part Number
SLR4
Category
Fast-Acting Fuses with Integrated Insulating Caps
Available to Order
Also known as:SLR4MERSEN
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

MERSEN
Manufacturer Part Number
SLR4
Series
SLR
Body Style
Cylindrical

Technical Documents

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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN SLR Series Fast-Acting Fuse (MPN SLR4) is a cylindrical fuse rated at 4 A and 300 V AC. It features an integrated insulating cap and is designed for fast-acting overcurrent protection in industrial equipment.

Frequently Asked Questions

What is the MERSEN SLR4 fuse used for?

The MERSEN SLR4 fast-acting fuse provides overcurrent protection in industrial equipment. Its 4 A, 300 V AC rating and integrated insulating cap make it suitable for control panels, power supplies, and machinery where rapid response to short circuits is required.

What are the specifications of the MERSEN SLR4 fuse?

The MERSEN SLR4 is a cylindrical fast-acting fuse rated at 4 A and 300 V AC. It is part of the SLR series and features an integrated insulating cap. The manufacturer part number is SLR4, and the body style is cylindrical.

Where to buy MERSEN SLR4 fuses worldwide?

3G Electric supplies MERSEN SLR4 fuses worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the SLR4 fuse.

How to select the correct MERSEN SLR series fuse?

Select the MERSEN SLR series fuse based on your circuit's voltage (300 V AC max) and current rating (4 A for the SLR4). Ensure the fast-acting characteristic matches your equipment's protection needs. The cylindrical body with insulating cap fits standard fuse holders.

Used in

Common applications for MERSEN
Industrial control panels — Mersen USCC1 and USCC2 UL Class CC fuse blocks for DIN rail mounting and finger-safe branch circuit protection.
Motor starters — Mersen ATQ time-delay fuses and DAR0 R-rated fuses for motor overload and short-circuit protection.
Power supplies and instrumentation — Mersen GGM and GSB fast-acting cylindrical fuses for overcurrent protection in compact electronic circuits.
DC systems — Mersen A30QS very-fast-acting square fuses rated 300 V DC for semiconductor and DC equipment protection.
Medium-voltage distribution — Mersen DAR0 R-rated fuses rated 5.08 kV AC for general-purpose overcurrent protection with visual indication.
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MERSEN Products

3G Electric supplies MERSEN fast-acting fuses with integrated insulating caps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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