Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
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 SLR12) is a cylindrical-body fuse rated at 12 A and 300 V AC. It features an integrated insulating cap and is designed for fast-acting overcurrent protection in industrial…

SKU 3G-OTH-24461

Also listed as: SLR 12 · SLR-12

Brand
MERSEN
Item
SLR Series Fast-Acting Fuse
Part Number
SLR12
Category
Fast-Acting Fuses with Integrated Insulating Caps
Available to Order
Also known as:SLR12MERSEN
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
SLR12
Series
SLR
Body Style
Cylindrical

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The MERSEN SLR Series Fast-Acting Fuse (MPN SLR12) is a cylindrical-body fuse rated at 12 A and 300 V AC. It features an integrated insulating cap and is designed for fast-acting overcurrent protection in industrial electrical circuits.

Frequently Asked Questions

What is the MERSEN SLR12 fuse used for?

The MERSEN SLR12 is a fast-acting cylindrical fuse rated 12 A and 300 V AC, used for overcurrent protection in industrial electrical circuits. Its integrated insulating cap enhances safety in panel boards, control systems, and power distribution equipment where rapid response to short circuits is required.

What are the specifications of the MERSEN SLR12 fuse?

The MERSEN SLR12 is a fast-acting fuse from the SLR series with a cylindrical body style. It is rated at 12 A and 300 V AC, with manufacturer part number SLR12. The integrated insulating cap provides additional protection, making it suitable for industrial overcurrent applications.

Where to buy MERSEN SLR12 fuses worldwide?

3G Electric supplies MERSEN SLR12 fuses worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the SLR12 fuse.

How to select the correct MERSEN SLR fuse for my circuit?

To select the correct MERSEN SLR fuse, match the voltage rating (300 V AC) and current rating (12 A for SLR12) to your circuit requirements. Ensure the fast-acting characteristic suits your load's inrush current. The cylindrical body with insulating cap fits standard fuse holders. Consult a qualified electrician for proper coordination.

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.
Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from MERSEN

View all MERSEN parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first