Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

MERSEN Fuse: Class K5, OT Series, Fast-Acting, 600 A, 250 V AC, 250 V DC - Fast-Acting Blade Fuses
MERSENFast-Acting Blade Fuses

MERSEN Fuse: Class K5, OT Series, Fast-Acting, 600 A, 250 V AC, 250 V DC

The MERSEN OT Series Class K5 Fast-Acting Blade Fuse (MPN OT600) is a non-indicating fuse rated for 600 A at 250 V AC and 250 V DC. This industrial fuse is designed for overcurrent protection in electrical circuits.

SKU 3G-OTH-25490

Also listed as: OT 600 · OT-600

Brand
MERSEN
Item
Fuse: Class K5, OT Series, Fast-Acting, 600 A, 250 V AC, 250 V DC
Category
Fast-Acting Blade Fuses
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

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
OT600
Series
OT
Type
OT Series, Fast-Acting, 600 A, Non-Indicating
AC
250 V
DC
250 V

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 OT Series Class K5 Fast-Acting Blade Fuse (MPN OT600) is a non-indicating fuse rated for 600 A at 250 V AC and 250 V DC. This industrial fuse is designed for overcurrent protection in electrical circuits.

Frequently Asked Questions

What is the MERSEN OT600 fuse used for?

The MERSEN OT600 Class K5 fast-acting blade fuse provides overcurrent protection in industrial electrical circuits. It is rated for 600 A at 250 V AC and 250 V DC, making it suitable for high-current applications such as switchboards, motor control centers, and distribution panels.

What are the specifications of the MERSEN OT600 fuse?

The MERSEN OT600 is a Class K5 fast-acting, non-indicating blade fuse from the OT Series. It is rated for 600 A at 250 V AC and 250 V DC. The manufacturer part number is OT600. This fuse is designed for reliable overcurrent protection in industrial environments.

Where to buy the MERSEN OT600 fuse worldwide?

3G Electric supplies the MERSEN OT600 fuse worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this MERSEN OT Series fast-acting fuse.

How to select the correct MERSEN OT600 fuse for an application?

To select the MERSEN OT600 fuse, verify your circuit's voltage (250 V AC or DC) and continuous current (600 A). Ensure the fuse is fast-acting for sensitive equipment protection. Consult the MERSEN OT Series datasheet for coordination with upstream devices and ambient temperature derating.

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 blade 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
MERSEN Fuse: Class K5, OT Series, Fast-Acting, 400 A, 250 V AC, 250 V DC, Non-Indicating (MPN OT400)
MERSEN
MERSEN Fuse: Class K5, OT Series, Fast-Acting, 400 A, 250 V AC, 250 V DC, Non-Indicating (MPN OT400)
MERSEN Fuse: Class K5, OT Series, Fast-Acting, 100 A, 250 V AC, 250 V DC, Non-Indicating (MPN OT100)
MERSEN
MERSEN Fuse: Class K5, OT Series, Fast-Acting, 100 A, 250 V AC, 250 V DC, Non-Indicating (MPN OT100)
MERSEN Fuse: Class K5, OT Series, Fast-Acting, 200 A, 250 V AC, 250 V DC, Non-Indicating (MPN OT200)
MERSEN
MERSEN Fuse: Class K5, OT Series, Fast-Acting, 200 A, 250 V AC, 250 V DC, Non-Indicating (MPN OT200)
MERSEN Fuse: Class K5, OT Series, Fast-Acting, 150 A, 250 V AC, 250 V DC, Non-Indicating (MPN OT150)
MERSEN
MERSEN Fuse: Class K5, OT Series, Fast-Acting, 150 A, 250 V AC, 250 V DC, Non-Indicating (MPN OT150)
MERSEN Fuse: Class K5, OTS Series, Fast-Acting, 200 A, 600 V AC, 300 V DC, Non-Indicating (MPN OTS200)
MERSEN
MERSEN Fuse: Class K5, OTS Series, Fast-Acting, 200 A, 600 V AC, 300 V DC, Non-Indicating (MPN OTS200)
MERSEN Fuse: Class K5, OT Series, Fast-Acting, 90 A, 250 V AC, 250 V DC, Non-Indicating (MPN OT90)
MERSEN
MERSEN Fuse: Class K5, OT Series, Fast-Acting, 90 A, 250 V AC, 250 V DC, Non-Indicating (MPN OT90)

More from MERSEN

View all MERSEN parts
MERSEN Fuse: Class K5, OTS Series, Fast-Acting, 110 A, 600 V AC, 300 V DC, Non-Indicating (MPN OTS110)
MERSEN
MERSEN Fuse: Class K5, OTS Series, Fast-Acting, 110 A, 600 V AC, 300 V DC, Non-Indicating (MPN OTS110)
MERSEN Fuse: Class K5, OTS Series, Fast-Acting, 400 A, 600 V AC, 300 V DC, Non-Indicating (MPN OTS400)
MERSEN
MERSEN Fuse: Class K5, OTS Series, Fast-Acting, 400 A, 600 V AC, 300 V DC, Non-Indicating (MPN OTS400)
MERSEN Fuse: Class K5, OT Series, Fast-Acting, 350 A, 250 V AC, 250 V DC, Non-Indicating (MPN OT350)
MERSEN
MERSEN Fuse: Class K5, OT Series, Fast-Acting, 350 A, 250 V AC, 250 V DC, Non-Indicating (MPN OT350)
Solar Fuse: HP10J Series, Gen Purpose, 200 A, 1 kV DC (MPN HP10J200EI)
MERSEN
Solar Fuse: HP10J Series, Gen Purpose, 200 A, 1 kV DC (MPN HP10J200EI)
MERSEN Fuse: Class K5, OTS Series, Fast-Acting, 10 A, 600 V AC, 300 V DC, Non-Indicating (MPN OTS100)
MERSEN
MERSEN Fuse: Class K5, OTS Series, Fast-Acting, 10 A, 600 V AC, 300 V DC, Non-Indicating (MPN OTS100)
MERSEN Fuse: Class K5, OTS Series, Fast-Acting, 250 A, 600 V AC, 300 V DC, Non-Indicating (MPN OTS250)
MERSEN
MERSEN Fuse: Class K5, OTS Series, Fast-Acting, 250 A, 600 V AC, 300 V DC, Non-Indicating (MPN OTS250)
Solar Fuse: HP10J Series, Gen Purpose, 100 A, 1 kV DC (MPN HP10J100)
MERSEN
Solar Fuse: HP10J Series, Gen Purpose, 100 A, 1 kV DC (MPN HP10J100)
MERSEN Fuse: Class K5, OT Series, Fast-Acting, 70 A, 250 V AC, 250 V DC, Non-Indicating (MPN OT70)
MERSEN
MERSEN Fuse: Class K5, OT Series, Fast-Acting, 70 A, 250 V AC, 250 V DC, Non-Indicating (MPN OT70)