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MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 200 A, 600 V AC - Time-Delay Bolt-On Fuses
MERSENTime-Delay Bolt-On Fuses

MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 200 A, 600 V AC

The MERSEN A4BY Series Class L Time-Delay Bolt-On Fuse (MPN A4BY200) is a 200 A, 600 V AC, 300 V DC industrial fuse with a bolt-on body. This time-delay fuse is designed for overcurrent protection in high-current…

SKU 3G-OTH-26905

Brand
MERSEN
Item
Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 200 A, 600 V AC
Category
Time-Delay Bolt-On Fuses
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

MERSEN
Manufacturer Part Number
A4BY200
Series
A4BY
Type
A4BY Series, Bolt-On Body, Time-Delay, 200 A
AC
600 V
DC
300 V

Technical Documents

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

Product Description

The MERSEN A4BY Series Class L Time-Delay Bolt-On Fuse (MPN A4BY200) is a 200 A, 600 V AC, 300 V DC industrial fuse with a bolt-on body. This time-delay fuse is designed for overcurrent protection in high-current applications.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the MERSEN A4BY200 fuse used for?

The MERSEN A4BY200 is a 200 A, 600 V AC, 300 V DC Class L time-delay bolt-on fuse used for overcurrent protection in high-current industrial applications such as switchboards, panelboards, and motor control centers.

What are the specifications of the MERSEN A4BY200 fuse?

The MERSEN A4BY200 is a 200 A, 600 V AC, 300 V DC Class L time-delay bolt-on fuse from the A4BY series. It features a bolt-on body for secure mounting in high-current industrial circuits.

Where to buy the MERSEN A4BY200 fuse worldwide?

3G Electric supplies the MERSEN A4BY200 fuse worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this Class L time-delay fuse.

How to select the correct MERSEN A4BY series fuse for an application?

To select the correct MERSEN A4BY series fuse, match the voltage rating (600 V AC or 300 V DC) and current rating (200 A) to your circuit requirements. Ensure the bolt-on body fits 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, 300 A, 600 V AC, 300 V DC (MPN A4BY300)
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 300 A, 600 V AC, 300 V DC (MPN A4BY300)
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 250 A, 600 V AC, 300 V DC (MPN A4BY250)
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MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 250 A, 600 V AC, 300 V DC (MPN A4BY250)
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 350 A, 600 V AC, 300 V DC (MPN A4BY350)
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 350 A, 600 V AC, 300 V DC (MPN A4BY350)
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 600 A, 600 V AC, 300 V DC (MPN A4BY600)
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 600 A, 600 V AC, 300 V DC (MPN A4BY600)
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 400 A, 600 V AC, 300 V DC (MPN A4BY400)
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 400 A, 600 V AC, 300 V DC (MPN A4BY400)
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 500 A, 600 V AC, 300 V DC (MPN A4BY500)
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 500 A, 600 V AC, 300 V DC (MPN A4BY500)

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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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