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: TRM Series, Midget, Time-Delay, 4 A, 250 V AC, 13/32 in x 1 1/2 in - Time-Delay Cylindrical Fuses
MERSENTime-Delay Cylindrical Fuses

MERSEN Fuse: TRM Series, Midget, Time-Delay, 4 A, 250 V AC, 13/32 in x 1 1/2 in

The MERSEN TRM Series is a time-delay cylindrical fuse, specifically a midget fuse rated at 4 A and 250 V AC. It features a non-indicating design with dimensions of 13/32 in x 1 1/2 in, identified by manufacturer…

SKU 3G-OTH-24462

Brand
MERSEN
Item
Fuse: TRM Series, Midget, Time-Delay, 4 A, 250 V AC, 13/32 in x 1 1/2 in
Category
Time-Delay Cylindrical Fuses
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
TRM4
Series
TRM
Type
Midget, Time-Delay, 4 A, 13/32 in x 1 1/2 in, Non-Indicating
AC
250 V
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 TRM Series is a time-delay cylindrical fuse, specifically a midget fuse rated at 4 A and 250 V AC. It features a non-indicating design with dimensions of 13/32 in x 1 1/2 in, identified by manufacturer part number TRM4.

Frequently Asked Questions

What is the MERSEN TRM4 fuse used for?

The MERSEN TRM4 is a time-delay midget fuse used to protect industrial control circuits, motors, and transformers from overloads and short circuits. Its 4 A rating and 250 V AC capacity make it suitable for panel boards and equipment requiring reliable overcurrent protection in manufacturing and process industries.

What are the specifications of the MERSEN TRM4 fuse?

The MERSEN TRM4 is part of the TRM Series, rated at 4 A and 250 V AC. It is a non-indicating, time-delay cylindrical fuse with dimensions of 13/32 in x 1 1/2 in. The manufacturer part number is TRM4, and it is designed for midget fuse applications.

Where to buy MERSEN TRM4 fuses worldwide?

You can source MERSEN TRM4 fuses 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; we supply genuine MERSEN components for industrial maintenance and OEM needs.

How to select the correct MERSEN TRM series fuse for an application?

To select the correct MERSEN TRM series fuse, match the voltage (250 V AC) and current rating (4 A for TRM4) to your circuit requirements. Ensure the time-delay characteristic suits motor or transformer inrush currents. Verify physical dimensions (13/32 in x 1 1/2 in) fit your fuse holder. Consult MERSEN application guides for coordination.

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 time-delay cylindrical fuses. 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: TRM Series, Midget, Time-Delay, 4.5 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN TRM4-1/2). Key specifications — Series: TRM; Brand: MERSEN.
MERSEN
MERSEN Fuse: TRM Series, Midget, Time-Delay, 4.5 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN TRM4-1/2). Key specifications — Series: TRM; Brand: MERSEN.
MERSEN Fuse: TRM Series, Midget, Time-Delay, 1.4 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN TRM1-4/10). Key specifications — Series: TRM; Brand: MERSEN.
MERSEN
MERSEN Fuse: TRM Series, Midget, Time-Delay, 1.4 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN TRM1-4/10). Key specifications — Series: TRM; Brand: MERSEN.
MERSEN Fuse: TRM Series, Midget, Time-Delay, 3 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN TRM3). Key specifications — Series: TRM; Brand: MERSEN.
MERSEN
MERSEN Fuse: TRM Series, Midget, Time-Delay, 3 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN TRM3). Key specifications — Series: TRM; Brand: MERSEN.
MERSEN Fuse: TRM Series, Midget, Time-Delay, 15 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN TRM15). Key specifications — Series: TRM; Brand: MERSEN.
MERSEN
MERSEN Fuse: TRM Series, Midget, Time-Delay, 15 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN TRM15). Key specifications — Series: TRM; Brand: MERSEN.
MERSEN Fuse: TRM Series, Midget, Time-Delay, 250 mA, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN TRM1/4). Key specifications — Series: TRM; Brand: MERSEN.
MERSEN
MERSEN Fuse: TRM Series, Midget, Time-Delay, 250 mA, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN TRM1/4). Key specifications — Series: TRM; Brand: MERSEN.
MERSEN Fuse: TRM Series, Midget, Time-Delay, 20 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN TRM20). Key specifications — Series: TRM; Brand: MERSEN.
MERSEN
MERSEN Fuse: TRM Series, Midget, Time-Delay, 20 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN TRM20). Key specifications — Series: TRM; Brand: MERSEN.

More from MERSEN

View all MERSEN parts →
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 200 mA, 250 V AC, 250 V DC, Non-Indicating (MPN TR2/10R). Key specifications — Series: TR-R.
MERSEN
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 200 mA, 250 V AC, 250 V DC, Non-Indicating (MPN TR2/10R). Key specifications — Series: TR-R.
MERSEN Fuse: Class RK5, TRS-R Series, Time-Delay, 40 A, 600 V AC, 300 V DC, Non-Indicating (MPN TRS40R). Key specifications — Series: TRS-R.
MERSEN
MERSEN Fuse: Class RK5, TRS-R Series, Time-Delay, 40 A, 600 V AC, 300 V DC, Non-Indicating (MPN TRS40R). Key specifications — Series: TRS-R.
MERSEN Fuse: Class RK5, TRS-RID Series, Time-Delay, 35 A, 600 V AC, 300 V DC, Indicating (MPN TRS35RID). Key specifications — Series: TRS-RID.
MERSEN
MERSEN Fuse: Class RK5, TRS-RID Series, Time-Delay, 35 A, 600 V AC, 300 V DC, Indicating (MPN TRS35RID). Key specifications — Series: TRS-RID.
MERSEN Fuse: Class RK5, TRS-R Series, Time-Delay, 20 A, 600 V AC, 300 V DC, Non-Indicating (MPN TRS20R). Key specifications — Series: TRS-R.
MERSEN
MERSEN Fuse: Class RK5, TRS-R Series, Time-Delay, 20 A, 600 V AC, 300 V DC, Non-Indicating (MPN TRS20R). Key specifications — Series: TRS-R.
MERSEN Fuse: Class RK5, TRS-R Series, Time-Delay, 3.5 A, 600 V AC, 600 V DC, Non-Indicating (MPN TRS3-1/2R). Key specifications — Series: TRS-R.
MERSEN
MERSEN Fuse: Class RK5, TRS-R Series, Time-Delay, 3.5 A, 600 V AC, 600 V DC, Non-Indicating (MPN TRS3-1/2R). Key specifications — Series: TRS-R.
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 150 mA, 250 V AC, 250 V DC, Non-Indicating (MPN TR15/100R). Key specifications — Series: TR-R.
MERSEN
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 150 mA, 250 V AC, 250 V DC, Non-Indicating (MPN TR15/100R). Key specifications — Series: TR-R.
MERSEN Fuse: Class RK5, TRS-R Series, Time-Delay, 35 A, 600 V AC, 300 V DC, Non-Indicating (MPN TRS35R). Key specifications — Series: TRS-R.
MERSEN
MERSEN Fuse: Class RK5, TRS-R Series, Time-Delay, 35 A, 600 V AC, 300 V DC, Non-Indicating (MPN TRS35R). Key specifications — Series: TRS-R.
MERSEN Fuse: Class RK5, TRS-R Series, Time-Delay, 100 mA, 600 V AC, 600 V DC, Non-Indicating (MPN TRS1/10R). Key specifications — Series: TRS-R.
MERSEN
MERSEN Fuse: Class RK5, TRS-R Series, Time-Delay, 100 mA, 600 V AC, 600 V DC, Non-Indicating (MPN TRS1/10R). Key specifications — Series: TRS-R.