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: ATMR Series, Fast-Acting, 1.25 A, 600 V AC, Non-Indicating - Fast-Acting Cylindrical Fuses
MERSENFast-Acting Cylindrical Fuses

MERSEN Fuse: ATMR Series, Fast-Acting, 1.25 A, 600 V AC, Non-Indicating

The MERSEN ATMR Series Fast-Acting Cylindrical Fuse (SKU 4ZAY8, MPN ATMR1-1/4) is a 1.25 A, 600 V AC, non-indicating, single-element fuse with a melamine body, sized 13/32 in x 1 1/2 in. Designed for branch circuit…

SKU 3G-OTH-772552

Brand
MERSEN
Item
Fuse: ATMR Series, Fast-Acting, 1.25 A, 600 V AC, Non-Indicating
Category
Fast-Acting Cylindrical Fuses
Available to Order
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

Technical Specifications

MERSEN
Manufacturer Part Number
ATMR1-1/4
Series
ATMR
Type
Fast-Acting, 1.25 A, Non-Indicating, 13/32 in x 1 1/2 in
AC
600 V
Element
Single
Body Material
Melamine
Fuse Applications
Branch Circuit Protection
Compatible Fuse Block Series
USFMCC
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 ATMR Series Fast-Acting Cylindrical Fuse (SKU 4ZAY8, MPN ATMR1-1/4) is a 1.25 A, 600 V AC, non-indicating, single-element fuse with a melamine body, sized 13/32 in x 1 1/2 in. Designed for branch circuit protection, it is compatible with the USFMCC fuse block series.

Frequently Asked Questions

What is the MERSEN ATMR1-1/4 fuse used for?

The MERSEN ATMR1-1/4 fast-acting fuse is used for branch circuit protection in industrial electrical systems. It safeguards wiring and equipment from overcurrents up to 600 V AC. 3G Electric supplies this fuse globally, supporting maintenance and safety across manufacturing, HVAC, and process industries.

What are the specifications of the MERSEN ATMR1-1/4 fuse?

The MERSEN ATMR1-1/4 is a 1.25 A, 600 V AC, fast-acting, non-indicating, single-element fuse. It has a melamine body, measures 13/32 in x 1 1/2 in, and is compatible with the USFMCC fuse block series. It is designed for branch circuit protection.

Where to buy the MERSEN ATMR1-1/4 fuse worldwide?

3G Electric supplies the MERSEN ATMR1-1/4 fuse worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this fast-acting fuse for branch circuit protection.

How to select the right MERSEN ATMR fuse for branch circuit protection?

Select the MERSEN ATMR fuse based on your circuit's voltage (600 V AC max), current rating (e.g., 1.25 A), and interrupting requirements. Ensure compatibility with the USFMCC fuse block. For application guidance, consult a qualified engineer or contact 3G Electric for sourcing support.

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 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 →

More from MERSEN

View all MERSEN parts →
MERSEN Fuse: GSD Series, Fast-Acting, 2 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN GSD2). Key specifications — Brand: MERSEN; Series: GSD; Equivalent Fuse Series: GDA, S501, 216 & GSD.
MERSEN
MERSEN Fuse: GSD Series, Fast-Acting, 2 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN GSD2). Key specifications — Brand: MERSEN; Series: GSD; Equivalent Fuse Series: GDA, S501, 216 & GSD.
Solar Fuse: HP15MxxR Series, Gen Purpose, 15 A, 1.5 kV DC (MPN HP15M15R). Key specifications — Series: HP15MxxR; Brand: MERSEN.
MERSEN
Solar Fuse: HP15MxxR Series, Gen Purpose, 15 A, 1.5 kV DC (MPN HP15M15R). Key specifications — Series: HP15MxxR; Brand: MERSEN.
MERSEN Fuse: SBS Series, Midget, Fast-Acting, 600 mA, 600 V AC, 13/32 in x 1 3/8 in, Non-Indicating (MPN SBS8/10). Key specifications — attr1287209: SBS; attr211192: MERSEN.
MERSEN
MERSEN Fuse: SBS Series, Midget, Fast-Acting, 600 mA, 600 V AC, 13/32 in x 1 3/8 in, Non-Indicating (MPN SBS8/10). Key specifications — attr1287209: SBS; attr211192: MERSEN.
Solar Fuse: HP15P Series, Gen Purpose, 40 A, 1.5 kV DC (MPN HP15P40). Key specifications — Series: HP15P; Brand: MERSEN.
MERSEN
Solar Fuse: HP15P Series, Gen Purpose, 40 A, 1.5 kV DC (MPN HP15P40). Key specifications — Series: HP15P; Brand: MERSEN.
MERSEN Fuse: GGM Series, Fast-Acting, 2 A, 250 V AC, 5.1 mm x 20.1 mm (MPN GGM2). Key specifications — attr211187: MERSEN; attr1287207: GGM.
MERSEN
MERSEN Fuse: GGM Series, Fast-Acting, 2 A, 250 V AC, 5.1 mm x 20.1 mm (MPN GGM2). Key specifications — attr211187: MERSEN; attr1287207: GGM.
MERSEN Fuse: Class H, RF Series, Fast-Acting, 15 A, 250 V AC, Non-Indicating (MPN RF15). Key specifications — Manufacturer Part Number: RF15; Brand: MERSEN; Series: RF.
MERSEN
MERSEN Fuse: Class H, RF Series, Fast-Acting, 15 A, 250 V AC, Non-Indicating (MPN RF15). Key specifications — Manufacturer Part Number: RF15; Brand: MERSEN; Series: RF.
Solar Fuse: DCT Series, Fast-Acting, 12 A, 1,000 V DC (MPN DCT12-2). Key specifications — Series: DCT; Brand: MERSEN; Voltage Compatability: AC/DC.
MERSEN
Solar Fuse: DCT Series, Fast-Acting, 12 A, 1,000 V DC (MPN DCT12-2). Key specifications — Series: DCT; Brand: MERSEN; Voltage Compatability: AC/DC.
MERSEN Fuse: ATM Series, Midget, Fast-Acting, 500 mA, 600 V AC, 600 V DC, 13/32 in x 1 1/2 in (MPN ATM1/2). Key specifications — attr1287209: ATM; attr211192: MERSEN.
MERSEN
MERSEN Fuse: ATM Series, Midget, Fast-Acting, 500 mA, 600 V AC, 600 V DC, 13/32 in x 1 1/2 in (MPN ATM1/2). Key specifications — attr1287209: ATM; attr211192: MERSEN.