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MERSEN Fuse: ATDR Series, Time-Delay, 250 mA, 600 V AC, Non-Indicating - Time-Delay Cylindrical Fuses
MERSENTime-Delay Cylindrical Fuses

MERSEN Fuse: ATDR Series, Time-Delay, 250 mA, 600 V AC, Non-Indicating

The MERSEN ATDR Series Fuse (MPN ATDR1/4) is a 250 mA, 600 V AC time-delay cylindrical fuse with a dual-element design and melamine body. It is non-indicating, measures 13/32 in x 1 1/2 in, and is intended for branch…

SKU 3G-OTH-772792

Brand
MERSEN
Item
Fuse: ATDR Series, Time-Delay, 250 mA, 600 V AC, Non-Indicating
Category
Time-Delay Cylindrical Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
ATDR1/4
Series
ATDR
Type
Time-Delay, 250 mA, Non-Indicating, 13/32 in x 1 1/2 in
AC
600 V
Element
Dual
Body Material
Melamine
Fuse Applications
Branch Circuit Protection
Compatible Fuse Block Series
USCC
View Full Spec Sheet

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

Product Description

The MERSEN ATDR Series Fuse (MPN ATDR1/4) is a 250 mA, 600 V AC time-delay cylindrical fuse with a dual-element design and melamine body. It is non-indicating, measures 13/32 in x 1 1/2 in, and is intended for branch circuit protection. This fuse is compatible with the USCC fuse block series.

Frequently Asked Questions

What is the MERSEN ATDR1/4 fuse used for?

The MERSEN ATDR1/4 is a 250 mA, 600 V AC time-delay cylindrical fuse designed for branch circuit protection. Its dual-element construction handles temporary inrush currents without nuisance opening, making it suitable for motor and transformer circuits in industrial control panels and power distribution.

What are the specifications of the MERSEN ATDR1/4 fuse?

The MERSEN ATDR1/4 fuse is rated 250 mA at 600 V AC, with a time-delay characteristic and dual-element design. It has a melamine body, is non-indicating, measures 13/32 in x 1 1/2 in, and is compatible with the USCC fuse block series. It is part of the ATDR series for branch circuit protection.

Where to buy MERSEN ATDR1/4 fuses worldwide?

3G Electric supplies the MERSEN ATDR1/4 fuse worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this ATDR series time-delay fuse for branch circuit protection.

How to select the right MERSEN ATDR fuse for branch circuit protection?

To select the correct MERSEN ATDR fuse, match the voltage rating (600 V AC) and current rating (250 mA for ATDR1/4) to your circuit requirements. Ensure the fuse block is compatible with the USCC series. The time-delay dual-element design handles motor start-ups; verify the interrupting rating meets system fault current.

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 time-delay cylindrical fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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