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MERSEN Fuse: Class K5, OT Series, Fast-Acting, 70 A, 250 V AC, 250 V DC - Fast-Acting Blade Fuses
MERSENFast-Acting Blade Fuses

MERSEN Fuse: Class K5, OT Series, Fast-Acting, 70 A, 250 V AC, 250 V DC

The MERSEN OT Series Class K5 Fast-Acting Blade Fuse (MPN OT70) is rated for 70 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-24872

Also listed as: OT 70 · OT-70

Brand
MERSEN
Item
Fuse: Class K5, OT Series, Fast-Acting, 70 A, 250 V AC, 250 V DC
Category
Fast-Acting Blade Fuses
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Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MERSEN
Manufacturer Part Number
OT70
Series
OT
Type
OT Series, Fast-Acting, 70 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 OT70) is rated for 70 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 OT70 fuse used for?

The MERSEN OT70 Class K5 fast-acting blade fuse provides overcurrent protection in industrial electrical circuits. It is rated for 70 A at 250 V AC and 250 V DC, making it suitable for motor control centers, panelboards, and other equipment requiring reliable short-circuit interruption.

What are the specifications of the MERSEN OT70 fuse?

The MERSEN OT70 is a Class K5, OT Series, fast-acting, non-indicating blade fuse rated 70 A at 250 V AC and 250 V DC. The manufacturer part number is OT70. It is designed for overcurrent protection in industrial electrical circuits.

Where to buy the MERSEN OT70 fuse worldwide?

3G Electric supplies the MERSEN OT70 fuse to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for a quote and lead time on this part.

How to select the correct MERSEN OT70 fuse for an application?

To select the MERSEN OT70 fuse, verify your circuit's voltage does not exceed 250 V AC or 250 V DC and that the continuous current rating matches 70 A. Ensure the fuse is fast-acting for sensitive loads. Consult a qualified electrician for proper coordination with upstream protection.

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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