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

3G Electric
⌕
RFQ CartGet a QuoteSign inSign up
MERSEN Semiconductor Fuse: A50P Series, Fast-Acting, 800 A, 500 V AC - Fast-Acting Bolt-On Fuses
MERSENFast-Acting Bolt-On Fuses

MERSEN Semiconductor Fuse: A50P Series, Fast-Acting, 800 A, 500 V AC

The MERSEN A50P Series Semiconductor Fuse (MPN A50QS800-4) is a fast-acting bolt-on fuse rated at 800 A and 500 V AC/DC. This AC/DC voltage type fuse is designed for semiconductor protection in industrial equipment.

SKU 3G-OTH-26535

Brand
MERSEN
Item
Semiconductor Fuse: A50P Series, Fast-Acting, 800 A, 500 V AC
Category
Fast-Acting 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
A50QS800-4
Series
A50P
Type
Fast-Acting, 800 A
AC
500 V
Voltage Type
AC/DC
DC DC Volt Rating
500 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 A50P Series Semiconductor Fuse (MPN A50QS800-4) is a fast-acting bolt-on fuse rated at 800 A and 500 V AC/DC. This AC/DC voltage type fuse is designed for semiconductor protection in industrial equipment.

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 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
Semiconductor Fuse: A50P Series, Fast-Acting, 150 A, 500 V AC, 500 V DC DC Volt Rating (MPN A50QS150-4). Key specifications — Series: A50P; Brand: MERSEN; Voltage Type: AC/DC.
MERSEN
Semiconductor Fuse: A50P Series, Fast-Acting, 150 A, 500 V AC, 500 V DC DC Volt Rating (MPN A50QS150-4). Key specifications — Series: A50P; Brand: MERSEN; Voltage Type: AC/DC.
Semiconductor Fuse: A50P Series, Fast-Acting, 500 A, 500 V AC, 500 V DC DC Volt Rating (MPN A50QS500-4). Key specifications — Series: A50P; Brand: MERSEN; Voltage Type: AC/DC.
MERSEN
Semiconductor Fuse: A50P Series, Fast-Acting, 500 A, 500 V AC, 500 V DC DC Volt Rating (MPN A50QS500-4). Key specifications — Series: A50P; Brand: MERSEN; Voltage Type: AC/DC.
Semiconductor Fuse: A50P Series, Fast-Acting, 600 A, 500 V AC, 500 V DC DC Volt Rating (MPN A50QS600-4). Key specifications — Series: A50P; Brand: MERSEN; Voltage Type: AC/DC.
MERSEN
Semiconductor Fuse: A50P Series, Fast-Acting, 600 A, 500 V AC, 500 V DC DC Volt Rating (MPN A50QS600-4). Key specifications — Series: A50P; Brand: MERSEN; Voltage Type: AC/DC.
Semiconductor Fuse: A50P Series, Fast-Acting, 700 A, 500 V AC, 500 V DC DC Volt Rating (MPN A50QS700-4). Key specifications — Series: A50P; Brand: MERSEN; Voltage Type: AC/DC.
MERSEN
Semiconductor Fuse: A50P Series, Fast-Acting, 700 A, 500 V AC, 500 V DC DC Volt Rating (MPN A50QS700-4). Key specifications — Series: A50P; Brand: MERSEN; Voltage Type: AC/DC.
Semiconductor Fuse: A50P Series, Fast-Acting, 80 A, 500 V AC, 500 V DC DC Volt Rating (MPN A50QS80-4). Key specifications — Series: A50P; Brand: MERSEN; Voltage Type: AC/DC.
MERSEN
Semiconductor Fuse: A50P Series, Fast-Acting, 80 A, 500 V AC, 500 V DC DC Volt Rating (MPN A50QS80-4). Key specifications — Series: A50P; Brand: MERSEN; Voltage Type: AC/DC.
Semiconductor Fuse: A50P Series, Fast-Acting, 50 A, 500 V AC, 500 V DC DC Volt Rating (MPN A50QS50-4). Key specifications — Series: A50P; Brand: MERSEN; Voltage Type: AC/DC.
MERSEN
Semiconductor Fuse: A50P Series, Fast-Acting, 50 A, 500 V AC, 500 V DC DC Volt Rating (MPN A50QS50-4). Key specifications — Series: A50P; Brand: MERSEN; Voltage Type: AC/DC.

More from MERSEN

View all MERSEN parts →
Semiconductor Fuse: A70QS Series, Fast-Acting, 80 A, 700 V AC, 700 V DC DC Volt Rating (MPN A70QS80-4). Key specifications — Series: A70QS; Brand: MERSEN; Voltage Type: AC/DC.
MERSEN
Semiconductor Fuse: A70QS Series, Fast-Acting, 80 A, 700 V AC, 700 V DC DC Volt Rating (MPN A70QS80-4). Key specifications — Series: A70QS; Brand: MERSEN; Voltage Type: AC/DC.
Semiconductor Fuse: A60X Series, Fast-Acting, 70 A, 600 V AC, Indicating (MPN A60X70-4TI). Key specifications — Series: A60X; Brand: MERSEN; Voltage Type: AC Only.
MERSEN
Semiconductor Fuse: A60X Series, Fast-Acting, 70 A, 600 V AC, Indicating (MPN A60X70-4TI). Key specifications — Series: A60X; Brand: MERSEN; Voltage Type: AC Only.
Semiconductor Fuse: A50P Series, Fast-Acting, 250 A, 500 V AC, 500 V DC DC Volt Rating (MPN A50QS250-4). Key specifications — Series: A50P; Brand: MERSEN; Voltage Type: AC/DC.
MERSEN
Semiconductor Fuse: A50P Series, Fast-Acting, 250 A, 500 V AC, 500 V DC DC Volt Rating (MPN A50QS250-4). Key specifications — Series: A50P; Brand: MERSEN; Voltage Type: AC/DC.
Semiconductor Fuse: A70Q Series, Fast-Acting, 150 A, 700 V AC, 650 V DC DC Volt Rating (MPN A70Q150-4). Key specifications — Series: A70Q; Brand: MERSEN; Voltage Type: AC/DC.
MERSEN
Semiconductor Fuse: A70Q Series, Fast-Acting, 150 A, 700 V AC, 650 V DC DC Volt Rating (MPN A70Q150-4). Key specifications — Series: A70Q; Brand: MERSEN; Voltage Type: AC/DC.
Semiconductor Fuse: A70QS Series, Fast-Acting, 600 A, 700 V AC, 700 V DC DC Volt Rating (MPN A70QS600-4K). Key specifications — Series: A70QS; Brand: MERSEN; Voltage Type: AC/DC.
MERSEN
Semiconductor Fuse: A70QS Series, Fast-Acting, 600 A, 700 V AC, 700 V DC DC Volt Rating (MPN A70QS600-4K). Key specifications — Series: A70QS; Brand: MERSEN; Voltage Type: AC/DC.
Semiconductor Fuse: A30QS Series, Fast-Acting, 700 A, 300 V AC, 300 V DC DC Volt Rating (MPN A30QS700-4). Key specifications — Series: A30QS; Brand: MERSEN; Voltage Type: AC/DC.
MERSEN
Semiconductor Fuse: A30QS Series, Fast-Acting, 700 A, 300 V AC, 300 V DC DC Volt Rating (MPN A30QS700-4). Key specifications — Series: A30QS; Brand: MERSEN; Voltage Type: AC/DC.
Semiconductor Fuse: A70Q Series, Fast-Acting, 100 A, 700 V AC, 650 V DC DC Volt Rating (MPN A70Q100-4). Key specifications — Series: A70Q; Brand: MERSEN; Voltage Type: AC/DC.
MERSEN
Semiconductor Fuse: A70Q Series, Fast-Acting, 100 A, 700 V AC, 650 V DC DC Volt Rating (MPN A70Q100-4). Key specifications — Series: A70Q; Brand: MERSEN; Voltage Type: AC/DC.
Semiconductor Fuse: A30QS Series, Fast-Acting, 100 A, 300 V AC, 300 V DC DC Volt Rating (MPN A30QS100-4). Key specifications — Series: A30QS; Brand: MERSEN; Voltage Type: AC/DC.
MERSEN
Semiconductor Fuse: A30QS Series, Fast-Acting, 100 A, 300 V AC, 300 V DC DC Volt Rating (MPN A30QS100-4). Key specifications — Series: A30QS; Brand: MERSEN; Voltage Type: AC/DC.