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3G Electric
MERSEN A50QS70-4 Fast-Acting Bolt-On Fuse, 70 A, 500 V AC/DC - Fast-Acting Bolt-On Fuses
MERSENFast-Acting Bolt-On Fuses

MERSEN A50QS70-4 Fast-Acting Bolt-On Fuse, 70 A, 500 V AC/DC

<p>The MERSEN A50QS70-4 is a fast-acting bolt-on fuse rated at 70 A and 500 V AC/DC, part of the A50P series. Designed for reliable circuit protection, it ensures rapid response to overcurrents, safeguarding…

SKU 3G-OTH-25323

Also listed as: A50QS704 · A50QS70 4

Brand
MERSEN
Item
A50QS70-4 Fast-Acting Bolt-On Fuse, 70 A, 500 V AC/DC
Part Number
A50QS70-4
Category
Fast-Acting Bolt-On Fuses
Available to Order
Also known as:A50QS70-4MERSEN
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

MERSEN
Manufacturer Part Number
A50QS70-4
Series
A50P
Type
Fast-Acting, 70 A
AC
500 V
Voltage Type
AC/DC
DC DC Volt Rating
500 V

Technical Documents

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

Product Description

<p>The MERSEN A50QS70-4 is a fast-acting bolt-on fuse rated at 70 A and 500 V AC/DC, part of the A50P series. Designed for reliable circuit protection, it ensures rapid response to overcurrents, safeguarding sensitive equipment in industrial applications.</p><p>Ideal for use in power supplies, drives, and control circuits, this fuse meets the demands of modern industrial environments. As a Singapore-based supplier, 3G Electric offers SGD quotes on request, handles GST for local buyers, and provides fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What are the voltage and current ratings of the MERSEN A50QS70-4?

The MERSEN A50QS70-4 is rated at 70 A and 500 V AC/DC, making it suitable for both AC and DC applications up to 500 V.

Can I get a quote in SGD and what about delivery in Singapore?

Yes, 3G Electric provides SGD quotes on request. For Singapore buyers, GST is handled, and we offer fast delivery across Singapore and Southeast Asia.

Used in

Common applications for MERSEN
Industrial control panels — Mersen USCC1 and USCC2 UL Class CC fuse blocks for DIN rail mounting and finger-safe branch circuit protection.
Motor starters — Mersen ATQ time-delay fuses and DAR0 R-rated fuses for motor overload and short-circuit protection.
Power supplies and instrumentation — Mersen GGM and GSB fast-acting cylindrical fuses for overcurrent protection in compact electronic circuits.
DC systems — Mersen A30QS very-fast-acting square fuses rated 300 V DC for semiconductor and DC equipment protection.
Medium-voltage distribution — Mersen DAR0 R-rated fuses rated 5.08 kV AC for general-purpose overcurrent protection with visual indication.
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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.

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