We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
⌕
RFQ CartGet a QuoteSign inSign up
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1 kA, 600 V AC - Time-Delay Bolt-On Fuses
MERSENTime-Delay Bolt-On Fuses

MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1 kA, 600 V AC

The MERSEN A4BY Series Class L Time-Delay Bolt-On Fuse (MPN A4BY1000) is a bolt-on body fuse rated at 1 kA, 600 V AC, and 300 V DC. This time-delay fuse from MERSEN is designed for overcurrent protection in…

SKU 3G-OTH-25968

Brand
MERSEN
Item
Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1 kA, 600 V AC
Category
Time-Delay Bolt-On 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
A4BY1000
Series
A4BY
Type
A4BY Series, Bolt-On Body, Time-Delay, 1 kA
AC
600 V
DC
300 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 A4BY Series Class L Time-Delay Bolt-On Fuse (MPN A4BY1000) is a bolt-on body fuse rated at 1 kA, 600 V AC, and 300 V DC. This time-delay fuse from MERSEN is designed for overcurrent protection in industrial electrical systems.

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 bolt-on 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: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.1 kA, 600 V AC, 300 V DC (MPN A4BY1100). Key specifications — Brand: MERSEN; Series: A4BY.
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.1 kA, 600 V AC, 300 V DC (MPN A4BY1100). Key specifications — Brand: MERSEN; Series: A4BY.
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 801 A, 600 V AC, 300 V DC (MPN A4BY801). Key specifications — Brand: MERSEN; Series: A4BY.
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 801 A, 600 V AC, 300 V DC (MPN A4BY801). Key specifications — Brand: MERSEN; Series: A4BY.
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 800 A, 600 V AC, 300 V DC (MPN A4BY800). Key specifications — Brand: MERSEN; Series: A4BY.
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 800 A, 600 V AC, 300 V DC (MPN A4BY800). Key specifications — Brand: MERSEN; Series: A4BY.
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 4,001 A, 600 V AC, 300 V DC (MPN A4BY4001). Key specifications — Brand: MERSEN; Series: A4BY.
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 4,001 A, 600 V AC, 300 V DC (MPN A4BY4001). Key specifications — Brand: MERSEN; Series: A4BY.
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.8 kA, 600 V AC, 300 V DC (MPN A4BY1800). Key specifications — Brand: MERSEN; Series: A4BY.
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.8 kA, 600 V AC, 300 V DC (MPN A4BY1800). Key specifications — Brand: MERSEN; Series: A4BY.
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 700 A, 600 V AC, 300 V DC (MPN A4BY700). Key specifications — Brand: MERSEN; Series: A4BY.
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 700 A, 600 V AC, 300 V DC (MPN A4BY700). Key specifications — Brand: MERSEN; Series: A4BY.

More from MERSEN

View all MERSEN parts →
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.5 kA, 600 V AC, 300 V DC (MPN A4BY1500). Key specifications — Brand: MERSEN; Series: A4BY.
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.5 kA, 600 V AC, 300 V DC (MPN A4BY1500). Key specifications — Brand: MERSEN; Series: A4BY.
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 3 kA, 600 V AC, 500 V DC (MPN A4BQ3000). Key specifications — Brand: MERSEN; Series: A4BQ.
MERSEN
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 3 kA, 600 V AC, 500 V DC (MPN A4BQ3000). Key specifications — Brand: MERSEN; Series: A4BQ.
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 500 A, 600 V AC, 300 V DC (MPN A4BY500). Key specifications — Brand: MERSEN; Series: A4BY.
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 500 A, 600 V AC, 300 V DC (MPN A4BY500). Key specifications — Brand: MERSEN; Series: A4BY.
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 3.5 kA, 600 V AC, 300 V DC (MPN A4BY3500). Key specifications — Brand: MERSEN; Series: A4BY.
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 3.5 kA, 600 V AC, 300 V DC (MPN A4BY3500). Key specifications — Brand: MERSEN; Series: A4BY.
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 1 kA, 600 V AC, 500 V DC (MPN A4BQ1000). Key specifications — Brand: MERSEN; Series: A4BQ.
MERSEN
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 1 kA, 600 V AC, 500 V DC (MPN A4BQ1000). Key specifications — Brand: MERSEN; Series: A4BQ.
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 450 A, 600 V AC, 300 V DC (MPN A4BY450). Key specifications — Brand: MERSEN; Series: A4BY.
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 450 A, 600 V AC, 300 V DC (MPN A4BY450). Key specifications — Brand: MERSEN; Series: A4BY.
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 350 A, 600 V AC, 500 V DC (MPN A4BQ350). Key specifications — Brand: MERSEN; Series: A4BQ.
MERSEN
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 350 A, 600 V AC, 500 V DC (MPN A4BQ350). Key specifications — Brand: MERSEN; Series: A4BQ.
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 4 kA, 600 V AC, 300 V DC (MPN A4BY4000). Key specifications — Brand: MERSEN; Series: A4BY.
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 4 kA, 600 V AC, 300 V DC (MPN A4BY4000). Key specifications — Brand: MERSEN; Series: A4BY.