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3G Electric
MERSEN OT90 Fast-Acting Blade Fuse, 90 A, 250 V AC/DC, Class K5 - Fast-Acting Blade Fuses
MERSENFast-Acting Blade Fuses

MERSEN OT90 Fast-Acting Blade Fuse, 90 A, 250 V AC/DC, Class K5

The MERSEN OT Series Class K5 Fast-Acting Blade Fuse (MPN OT90) is rated for 90 A at 250 V AC and 250 V DC. This non-indicating fuse is designed for overcurrent protection in industrial electrical circuits.

SKU 3G-OTH-25272

Also listed as: OT 90 · OT-90

Brand
MERSEN
Item
OT90 Fast-Acting Blade Fuse, 90 A, 250 V AC/DC, Class K5
Part Number
OT90
Category
Fast-Acting Blade Fuses
Available to Order
Also known as:OT90MERSEN
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Local office
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Phone
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Technical Specifications

MERSEN
Manufacturer Part Number
OT90
Series
OT
Type
OT Series, Fast-Acting, 90 A, Non-Indicating
AC
250 V
DC
250 V

Technical Documents

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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 OT90) is rated for 90 A at 250 V AC and 250 V DC. This non-indicating fuse is designed for overcurrent protection in industrial electrical circuits.

Frequently Asked Questions

What is the MERSEN OT90 fuse used for?

The MERSEN OT90 is a Class K5 fast-acting blade fuse used for overcurrent protection in industrial electrical circuits. It is rated 90 A at 250 V AC and 250 V DC, making it suitable for protecting motors, transformers, and other equipment in manufacturing and power distribution systems.

What are the specifications of the MERSEN OT90 fuse?

The MERSEN OT90 is a Class K5 fast-acting blade fuse from the OT Series. It is rated for 90 A at 250 V AC and 250 V DC, and is non-indicating. The manufacturer part number is OT90, and it is designed for overcurrent protection in industrial applications.

Where to buy MERSEN OT90 fuses worldwide?

3G Electric supplies MERSEN OT90 fuses worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the OT90 fuse for your industrial overcurrent protection needs.

How to select the right MERSEN fuse for my application?

To select the right MERSEN fuse, match the voltage and current ratings to your circuit requirements. The OT90 is a fast-acting Class K5 fuse rated 90 A at 250 V AC/DC. For overcurrent protection, ensure the fuse's interrupting rating exceeds the available fault current. Consult a qualified engineer for specific applications.

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 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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