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

MERSEN Fuse: SLR Series, Fast-Acting, 4 A - Fast-Acting Fuses with Integrated Insulating Caps
MERSENFast-Acting Fuses with Integrated Insulating Caps

MERSEN Fuse: SLR Series, Fast-Acting, 4 A

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

Brand
MERSEN
Item
Fuse: SLR Series, Fast-Acting, 4 A
Category
Fast-Acting Fuses with Integrated Insulating Caps
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

MERSEN
Manufacturer Part Number
SLR4
Series
SLR
Body Style
Cylindrical
View Full Spec Sheet

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 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
Power electronics protection — MERSEN A70Q series semiconductor fuses in variable frequency drives for motor control.
Surge protection for industrial panels — MERSEN STP480D07 SPDs in three-phase 480V AC distribution boards.
Control circuit overcurrent protection — MERSEN ATM series midget fuses in PLC and instrumentation cabinets.
Power distribution in manufacturing — MERSEN FSPDB4A finger-safe blocks in motor control centers for wire management.
DC bus protection in renewable energy — MERSEN A30QS series fuses in solar inverter DC inputs.
High-voltage semiconductor protection — MERSEN A70Q series fuses in welding equipment power supplies.

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

Similar products

Matched by specification & description
MERSEN Fuse: SLR Series, Fast-Acting, 3 A, 300 V AC (MPN SLR3). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR3; Brand: MERSEN.
MERSEN
MERSEN Fuse: SLR Series, Fast-Acting, 3 A, 300 V AC (MPN SLR3). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR3; Brand: MERSEN.
MERSEN Fuse: SLR Series, Fast-Acting, 8 A, 300 V AC (MPN SLR8). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR8; Brand: MERSEN.
MERSEN
MERSEN Fuse: SLR Series, Fast-Acting, 8 A, 300 V AC (MPN SLR8). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR8; Brand: MERSEN.
MERSEN Fuse: SLR Series, Fast-Acting, 1 A, 300 V AC (MPN SLR1). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR1; Brand: MERSEN.
MERSEN
MERSEN Fuse: SLR Series, Fast-Acting, 1 A, 300 V AC (MPN SLR1). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR1; Brand: MERSEN.
MERSEN Fuse: SLR Series, Fast-Acting, 12 A, 300 V AC (MPN SLR12). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR12; Brand: MERSEN.
MERSEN
MERSEN Fuse: SLR Series, Fast-Acting, 12 A, 300 V AC (MPN SLR12). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR12; Brand: MERSEN.
MERSEN Fuse: SLR Series, Fast-Acting, 1.6 A, 300 V AC (MPN SLR1-6/10). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR1-6/10; Brand: MERSEN.
MERSEN
MERSEN Fuse: SLR Series, Fast-Acting, 1.6 A, 300 V AC (MPN SLR1-6/10). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR1-6/10; Brand: MERSEN.

More from MERSEN

View all MERSEN parts
MERSEN Fuse: SLR Series, Fast-Acting, 1.5 A, 300 V AC (MPN SLR1-1/2). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR1-1/2; Brand: MERSEN.
MERSEN
MERSEN Fuse: SLR Series, Fast-Acting, 1.5 A, 300 V AC (MPN SLR1-1/2). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR1-1/2; Brand: MERSEN.
MERSEN Fuse: SLR Series, Fast-Acting, 500 mA, 300 V AC (MPN SLR1/2). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR1/2; Brand: MERSEN.
MERSEN
MERSEN Fuse: SLR Series, Fast-Acting, 500 mA, 300 V AC (MPN SLR1/2). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR1/2; Brand: MERSEN.
MERSEN Fuse: SLR Series, Fast-Acting, 10 A, 300 V AC (MPN SLR10). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR10; Brand: MERSEN.
MERSEN
MERSEN Fuse: SLR Series, Fast-Acting, 10 A, 300 V AC (MPN SLR10). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR10; Brand: MERSEN.
MERSEN Fuse: SLR Series, Fast-Acting, 2 A, 300 V AC (MPN SLR2). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR2; Brand: MERSEN.
MERSEN
MERSEN Fuse: SLR Series, Fast-Acting, 2 A, 300 V AC (MPN SLR2). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR2; Brand: MERSEN.
MERSEN Fuse: SLR Series, Fast-Acting, 15 A, 300 V AC (MPN SLR15). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR15; Brand: MERSEN.
MERSEN
MERSEN Fuse: SLR Series, Fast-Acting, 15 A, 300 V AC (MPN SLR15). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR15; Brand: MERSEN.
MERSEN Fuse: SLR Series, Fast-Acting, 5 A, 300 V AC (MPN SLR5). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR5; Brand: MERSEN.
MERSEN
MERSEN Fuse: SLR Series, Fast-Acting, 5 A, 300 V AC (MPN SLR5). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR5; Brand: MERSEN.
MERSEN Fuse: SLR Series, Fast-Acting, 6 A, 300 V AC (MPN SLR6). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR6; Brand: MERSEN.
MERSEN
MERSEN Fuse: SLR Series, Fast-Acting, 6 A, 300 V AC (MPN SLR6). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR6; Brand: MERSEN.
MERSEN Fuse: SLR Series, Fast-Acting, 7 A, 300 V AC (MPN SLR7). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR7; Brand: MERSEN.
MERSEN
MERSEN Fuse: SLR Series, Fast-Acting, 7 A, 300 V AC (MPN SLR7). Key specifications — Body Style: Cylindrical; Series: SLR; Manufacturer Part Number: SLR7; Brand: MERSEN.