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 DFC-3I Indicating Fuse Block Cover - Indicating Fuse Block Covers
MERSENIndicating Fuse Block Covers

MERSEN DFC-3I Indicating Fuse Block Cover

The MERSEN DFC-3I is an indicating fuse block cover for J fuse class or type, rated 600 V AC and 61 A – 100 A. It provides visual indication of fuse status for industrial electrical protection systems.

SKU 3G-OTH-24060

Also listed as: DFC3I · DFC 3I

Brand
MERSEN
Item
DFC-3I Indicating Fuse Block Cover
Part Number
DFC-3I
Category
Indicating Fuse Block Covers
Available to Order
Also known as:DFC-3IMERSEN
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
DFC-3I
Type
Indicating, 61 A – 100 A
AC
600 V

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 DFC-3I is an indicating fuse block cover for J fuse class or type, rated 600 V AC and 61 A – 100 A. It provides visual indication of fuse status for industrial electrical protection systems.

Frequently Asked Questions

What is a MERSEN DFC-3I fuse block cover used for?

The MERSEN DFC-3I is an indicating fuse block cover designed for J class fuses rated 61 A to 100 A at 600 V AC. It provides visual indication of fuse status, helping plant engineers and maintenance technicians quickly identify blown fuses in industrial control panels and power distribution systems.

What are the specifications of the MERSEN DFC-3I fuse block cover?

The MERSEN DFC-3I is an indicating fuse block cover for J fuse class or type, rated 600 V AC and 61 A to 100 A. The manufacturer part number is DFC-3I. It is designed to fit MERSEN fuse blocks and provides visual indication when a fuse opens, aiding rapid troubleshooting in industrial electrical systems.

Where to buy MERSEN DFC-3I fuse block covers worldwide?

3G Electric supplies the MERSEN DFC-3I fuse block cover worldwide. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this MERSEN indicating cover to any country.

How to install a MERSEN DFC-3I indicating fuse block cover?

To install the MERSEN DFC-3I, first ensure the circuit is de-energized. Align the cover with the fuse block mounting holes and secure it using the provided hardware. The indicating window should face outward for easy visual inspection. Follow standard electrical safety practices and consult the manufacturer's instructions for torque specifications.

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 indicating fuse block covers. 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