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MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.4 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, 1.4 kA, 600 V AC

The MERSEN A4BY1400 is a Class L, time-delay bolt-on fuse from the A4BY Series. It is rated for 1.4 kA at 600 V AC and 300 V DC. This fuse is designed for overcurrent protection in industrial electrical systems.

SKU 3G-OTH-27820

Brand
MERSEN
Item
Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.4 kA, 600 V AC
Category
Time-Delay Bolt-On Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
A4BY1400
Series
A4BY
Type
A4BY Series, Bolt-On Body, Time-Delay, 1.4 kA
AC
600 V
DC
300 V

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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN A4BY1400 is a Class L, time-delay bolt-on fuse from the A4BY Series. It is rated for 1.4 kA at 600 V AC and 300 V DC. This fuse is designed for overcurrent protection in industrial electrical systems.

Frequently Asked Questions

What is the MERSEN A4BY1400 fuse used for?

The MERSEN A4BY1400 is a Class L time-delay bolt-on fuse used for overcurrent protection in industrial electrical systems. It protects equipment such as switchboards, motor control centers, and feeders from short circuits and overloads, particularly in high-current applications up to 1.4 kA at 600 V AC or 300 V DC.

What are the specifications of the MERSEN A4BY1400 fuse?

The MERSEN A4BY1400 is a Class L, time-delay bolt-on fuse from the A4BY Series. It is rated for 1.4 kA at 600 V AC and 300 V DC. The manufacturer part number is A4BY1400. This fuse is designed for bolt-on mounting and provides reliable overcurrent protection in industrial environments.

Where to buy MERSEN A4BY1400 worldwide?

You can source the MERSEN A4BY1400 fuse 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 overcurrent protection needs.

How to select the correct MERSEN A4BY1400 fuse for an application?

To select the MERSEN A4BY1400, verify your system's voltage (600 V AC or 300 V DC max) and continuous current rating (1.4 kA). Ensure the fuse's Class L time-delay characteristic matches your load's inrush profile. Confirm bolt-on mounting compatibility with your fuse holder. Consult a qualified engineer for coordination studies.

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.201 kA, 600 V AC, 300 V DC (MPN A4BY1201)
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.201 kA, 600 V AC, 300 V DC (MPN A4BY1201)
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.35 kA, 600 V AC, 300 V DC (MPN A4BY1350)
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MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.35 kA, 600 V AC, 300 V DC (MPN A4BY1350)
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.2 kA, 600 V AC, 300 V DC (MPN A4BY1200)
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.2 kA, 600 V AC, 300 V DC (MPN A4BY1200)
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.5 kA, 600 V AC, 300 V DC (MPN A4BY1500)
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.5 kA, 600 V AC, 300 V DC (MPN A4BY1500)
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 2 kA, 600 V AC, 300 V DC (MPN A4BY2000)
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 2 kA, 600 V AC, 300 V DC (MPN A4BY2000)
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.8 kA, 600 V AC, 300 V DC (MPN A4BY1800)
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.8 kA, 600 V AC, 300 V DC (MPN A4BY1800)

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MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.6 kA, 600 V AC, 300 V DC (MPN A4BY1600)
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MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.6 kA, 600 V AC, 300 V DC (MPN A4BY1600)
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