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

3G Electric
RFQ CartGet a QuoteSign inSign up
MERSEN Fuse Block: Finger-Safe, 3 Pole, 600 V AC, DIN Rail Mounting - Midget Fuse Blocks
MERSENMidget Fuse Blocks

MERSEN Fuse Block: Finger-Safe, 3 Pole, 600 V AC, DIN Rail Mounting

The MERSEN USM3I is a 3-pole, finger-safe midget fuse block rated for 600 V AC. It features DIN rail mounting and pressure plate termination, providing a secure and touch-safe solution for industrial circuit protection.

SKU 3G-OTH-22907

Brand
MERSEN
Item
Fuse Block: Finger-Safe, 3 Pole, 600 V AC, DIN Rail Mounting
Category
Midget Fuse Blocks
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
USM3I
Type
DIN Rail Mounting, Pressure Plate Termination
AC
600 V
Pole
3
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 USM3I is a 3-pole, finger-safe midget fuse block rated for 600 V AC. It features DIN rail mounting and pressure plate termination, providing a secure and touch-safe solution for industrial circuit protection.

Frequently Asked Questions

What is the MERSEN USM3I fuse block used for?

The MERSEN USM3I is a finger-safe, 3-pole midget fuse block rated for 600 V AC. It is used in industrial control panels, motor control centers, and distribution boards to safely hold and protect midget fuses, preventing accidental contact with live parts.

What are the specifications of the MERSEN USM3I fuse block?

The MERSEN USM3I is a 3-pole, finger-safe midget fuse block rated for 600 V AC. It features DIN rail mounting and pressure plate termination. The manufacturer part number is USM3I. It is designed for use with midget fuses in industrial applications.

Where to buy the MERSEN USM3I fuse block worldwide?

You can source the MERSEN USM3I fuse block through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this item.

How to install the MERSEN USM3I fuse block on a DIN rail?

To install the MERSEN USM3I, snap the fuse block onto a standard 35 mm DIN rail until it locks in place. Ensure the rail is securely mounted. Terminate wires using the pressure plate connections, tightening to the manufacturer's recommended torque. Always de-energize circuits before installation.

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 midget fuse blocks. 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 Block: Finger-Safe, 2 Pole, 600 V AC, DIN Rail Mounting, Pressure Plate Termination (MPN USM2I). Key specifications ��— Brand: MERSEN.
MERSEN
MERSEN Fuse Block: Finger-Safe, 2 Pole, 600 V AC, DIN Rail Mounting, Pressure Plate Termination (MPN USM2I). Key specifications — Brand: MERSEN.
MERSEN Fuse Block: Finger-Safe, 4 Pole, 800 V AC, DIN Rail Mounting, Pressure Plate Termination (MPN USM4). Key specifications — Brand: MERSEN.
MERSEN
MERSEN Fuse Block: Finger-Safe, 4 Pole, 800 V AC, DIN Rail Mounting, Pressure Plate Termination (MPN USM4). Key specifications — Brand: MERSEN.
MERSEN Fuse Block: Finger-Safe, 1 Pole, 800 V AC, DIN Rail Mounting, Pressure Plate Termination (MPN USM1). Key specifications — Brand: MERSEN.
MERSEN
MERSEN Fuse Block: Finger-Safe, 1 Pole, 800 V AC, DIN Rail Mounting, Pressure Plate Termination (MPN USM1). Key specifications — Brand: MERSEN.
MERSEN Fuse Block: Finger-Safe, 3 Pole, 600 V AC, DIN Rail Mounting, Screw Termination (MPN USFM10I). Key specifications — Brand: MERSEN.
MERSEN
MERSEN Fuse Block: Finger-Safe, 3 Pole, 600 V AC, DIN Rail Mounting, Screw Termination (MPN USFM10I). Key specifications — Brand: MERSEN.

More from MERSEN

View all MERSEN parts →
MERSEN Fuse Block: Finger-Safe, 2 Pole, 800 V AC, DIN Rail Mounting, Pressure Plate Termination (MPN USM2). Key specifications — Brand: MERSEN.
MERSEN
MERSEN Fuse Block: Finger-Safe, 2 Pole, 800 V AC, DIN Rail Mounting, Pressure Plate Termination (MPN USM2). Key specifications — Brand: MERSEN.
MERSEN Fuse Block: Finger-Safe, 4 Pole, 600 V AC, DIN Rail Mounting, Pressure Plate Termination (MPN USM4I). Key specifications — Brand: MERSEN.
MERSEN
MERSEN Fuse Block: Finger-Safe, 4 Pole, 600 V AC, DIN Rail Mounting, Pressure Plate Termination (MPN USM4I). Key specifications — Brand: MERSEN.
MERSEN Fuse Block: Finger-Safe, 3 Pole, 600 V AC, DIN Rail Mounting, Screw Termination (MPN USFM10M). Key specifications — Brand: MERSEN.
MERSEN
MERSEN Fuse Block: Finger-Safe, 3 Pole, 600 V AC, DIN Rail Mounting, Screw Termination (MPN USFM10M). Key specifications — Brand: MERSEN.
MERSEN Fuse Block: Finger-Safe, 3 Pole, 600 V AC, DIN Rail Mounting, Screw Termination (MPN USFM10MI). Key specifications — Brand: MERSEN.
MERSEN
MERSEN Fuse Block: Finger-Safe, 3 Pole, 600 V AC, DIN Rail Mounting, Screw Termination (MPN USFM10MI). Key specifications — Brand: MERSEN.
MERSEN Fuse Block: Finger-Safe, 3 Pole, 800 V AC, DIN Rail Mounting, Pressure Plate Termination (MPN USM3). Key specifications — Brand: MERSEN.
MERSEN
MERSEN Fuse Block: Finger-Safe, 3 Pole, 800 V AC, DIN Rail Mounting, Pressure Plate Termination (MPN USM3). Key specifications — Brand: MERSEN.
MERSEN Fuse Block: Finger-Safe, 3 Pole, 600 V AC, DIN Rail Mounting, Screw Termination (MPN USFM10). Key specifications — Brand: MERSEN.
MERSEN
MERSEN Fuse Block: Finger-Safe, 3 Pole, 600 V AC, DIN Rail Mounting, Screw Termination (MPN USFM10). Key specifications — Brand: MERSEN.
MERSEN Fuse Block: Finger-Safe, 1 Pole, 600 V AC, DIN Rail Mounting, Pressure Plate Termination (MPN USM1I). Key specifications — Brand: MERSEN.
MERSEN
MERSEN Fuse Block: Finger-Safe, 1 Pole, 600 V AC, DIN Rail Mounting, Pressure Plate Termination (MPN USM1I). Key specifications — Brand: MERSEN.
MERSEN Fuse Block: Finger-Safe, 1 Pole, DIN Rail Mounting, Pressure Plate Termination (MPN USM1I-DC24). Key specifications — Brand: MERSEN.
MERSEN
MERSEN Fuse Block: Finger-Safe, 1 Pole, DIN Rail Mounting, Pressure Plate Termination (MPN USM1I-DC24). Key specifications — Brand: MERSEN.