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MERSEN Fuse: Class K5, OT Series, Fast-Acting, 125 A, 250 V AC, 250 V DC - Fast-Acting Blade Fuses
MERSENFast-Acting Blade Fuses

MERSEN Fuse: Class K5, OT Series, Fast-Acting, 125 A, 250 V AC, 250 V DC

The MERSEN OT Series Class K5 Fast-Acting Blade Fuse (MPN OT125) is a non-indicating fuse rated for 125 A at 250 V AC and 250 V DC. This industrial fuse is designed for overcurrent protection in electrical circuits.

SKU 3G-OTH-24963

Brand
MERSEN
Item
Fuse: Class K5, OT Series, Fast-Acting, 125 A, 250 V AC, 250 V DC
Category
Fast-Acting Blade Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
OT125
Series
OT
Type
OT Series, Fast-Acting, 125 A, Non-Indicating
AC
250 V
DC
250 V
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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN OT Series Class K5 Fast-Acting Blade Fuse (MPN OT125) is a non-indicating fuse rated for 125 A at 250 V AC and 250 V DC. This industrial fuse is designed for overcurrent protection in electrical circuits.

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 OT125 fuse used for?

The MERSEN OT125 is a Class K5 fast-acting blade fuse used for overcurrent protection in industrial electrical circuits. It is rated 125 A at 250 V AC and 250 V DC, making it suitable for protecting motors, transformers, and other equipment from short circuits and overloads.

What are the specifications of the MERSEN OT125 fuse?

The MERSEN OT125 is a non-indicating, fast-acting blade fuse from the OT Series. It has a current rating of 125 A and a voltage rating of 250 V AC and 250 V DC. The manufacturer part number is OT125, and it is classified as a Class K5 fuse for overcurrent protection.

Where to buy MERSEN OT125 fuses worldwide?

You can source the MERSEN OT125 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 applications.

How to select the right MERSEN OT fuse for my application?

To select the correct MERSEN OT fuse, match the voltage rating (250 V AC/DC) and current rating (e.g., 125 A for the OT125) to your circuit requirements. Ensure the fuse is fast-acting for sensitive equipment. Consult the manufacturer's data sheet for interrupting capacity and coordination with upstream devices.

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.

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