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MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 3 A, 250 V AC, 160 V DC - Time-Delay Cylindrical Fuses
MERSENTime-Delay Cylindrical Fuses

MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 3 A, 250 V AC, 160 V DC

The MERSEN TR-R Series Class RK5 Time-Delay Cylindrical Fuse (MPN TR3R) is a 3 A, non-indicating fuse rated for 250 V AC and 160 V DC. 3G Electric interprets your demand for industrial circuit protection, sourcing…

SKU 3G-OTH-27026

Brand
MERSEN
Item
Fuse: Class RK5, TR-R Series, Time-Delay, 3 A, 250 V AC, 160 V DC
Category
Time-Delay Cylindrical Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
TR3R
Series
TR-R
Type
TR-R Series, Time-Delay, 3 A, Non-Indicating
AC
250 V
DC
160 V
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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN TR-R Series Class RK5 Time-Delay Cylindrical Fuse (MPN TR3R) is a 3 A, non-indicating fuse rated for 250 V AC and 160 V DC. 3G Electric interprets your demand for industrial circuit protection, sourcing this fuse across 14 departments — with specialist depth in electrical controls — to deliver the right solution, not just a catalog.

Frequently Asked Questions

What is the MERSEN TR3R fuse used for?

The MERSEN TR3R is a Class RK5, time-delay cylindrical fuse rated 3 A, 250 V AC, 160 V DC. It protects motor circuits, transformers, and lighting systems from overloads and short circuits, allowing temporary inrush currents without nuisance opening.

What are the specifications of the MERSEN TR3R fuse?

The MERSEN TR3R is part of the TR-R series, a Class RK5 time-delay fuse. It is rated 3 A, 250 V AC, 160 V DC, non-indicating. The manufacturer part number is TR3R. It is designed for cylindrical fuse holders in industrial control panels.

Where to buy MERSEN TR3R fuses worldwide?

3G Electric supplies MERSEN TR3R fuses worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this Class RK5 time-delay fuse.

How to select the correct MERSEN TR-R series fuse?

Select the MERSEN TR-R series fuse based on voltage (250 V AC or 160 V DC), current rating (3 A for TR3R), and time-delay characteristics for motor or transformer protection. Always verify the Class RK5 rejection feature ensures proper fit in compatible fuse holders.

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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