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MERSEN Fuse: Class RK1, A2D-R Series, Time-Delay, 9 A, 250 V AC, 250 V DC - Time-Delay Cylindrical Fuses
MERSENTime-Delay Cylindrical Fuses

MERSEN Fuse: Class RK1, A2D-R Series, Time-Delay, 9 A, 250 V AC, 250 V DC

The MERSEN A2D9R is a Class RK1 time-delay cylindrical fuse from the A2D-R series, rated at 9 A with 250 V AC and 250 V DC voltage ratings. This indicating fuse is designed for overcurrent protection in industrial…

SKU 3G-OTH-127667

Brand
MERSEN
Item
Fuse: Class RK1, A2D-R Series, Time-Delay, 9 A, 250 V AC, 250 V DC
Category
Time-Delay Cylindrical Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
A2D9R
Type
A2D-R Series, Time-Delay, 9 A, Indicating
AC
250 V
DC
250 V

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

Product Description

The MERSEN A2D9R is a Class RK1 time-delay cylindrical fuse from the A2D-R series, rated at 9 A with 250 V AC and 250 V DC voltage ratings. This indicating fuse is designed for overcurrent protection in industrial electrical systems.

Frequently Asked Questions

What is the MERSEN A2D9R fuse used for?

The MERSEN A2D9R is a Class RK1 time-delay cylindrical fuse used for overcurrent protection in industrial electrical systems. It is rated 9 A at 250 V AC and 250 V DC, and its indicating feature allows quick identification of a blown fuse, minimizing downtime in plant and machinery applications.

What are the specifications of the MERSEN A2D9R fuse?

The MERSEN A2D9R is a Class RK1, A2D-R series, time-delay, indicating fuse rated at 9 A with 250 V AC and 250 V DC voltage ratings. It is manufactured by MERSEN under MPN A2D9R. This cylindrical fuse is designed for reliable overcurrent protection in industrial environments.

Where to buy the MERSEN A2D9R fuse worldwide?

You can source the MERSEN A2D9R fuse worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine MERSEN components for industrial overcurrent protection needs.

How to select the right MERSEN A2D-R fuse for my application?

To select the correct MERSEN A2D-R fuse, match the voltage rating (250 V AC or DC) and current rating (e.g., 9 A for the A2D9R) to your circuit requirements. Consider the time-delay characteristic for motor or transformer inrush currents. Always consult the manufacturer's data sheet and follow local electrical codes for proper fuse sizing.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
MERSEN Fuse: Class RK1, A2D-R Series, Time-Delay, 15 A, 250 V AC, 250 V DC, Indicating (MPN A2D15R)
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MERSEN Fuse: Class RK1, A2D-R Series, Time-Delay, 15 A, 250 V AC, 250 V DC, Indicating (MPN A2D15R)
MERSEN Fuse: Class RK1, A2D-R Series, Time-Delay, 8 A, 250 V AC, 250 V DC, Indicating (MPN A2D8R)
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MERSEN Fuse: Class RK1, A2D-R Series, Time-Delay, 8 A, 250 V AC, 250 V DC, Indicating (MPN A2D8R)
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MERSEN Fuse: Class RK1, A2D-R Series, Time-Delay, 1.4 A, 250 V AC, 250 V DC, Non-Indicating (MPN A2D1-4/10R)

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