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MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 20 A, 250 V AC, 160 V DC - Time-Delay Cylindrical Fuses
MERSENTime-Delay Cylindrical Fuses

MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 20 A, 250 V AC, 160 V DC

The MERSEN TR-R Series TR20R is a Class RK5, time-delay cylindrical fuse rated at 20 A, 250 V AC and 160 V DC. This non-indicating fuse is designed for overcurrent protection in industrial electrical systems…

SKU 3G-OTH-27268

Brand
MERSEN
Item
Fuse: Class RK5, TR-R Series, Time-Delay, 20 A, 250 V AC, 160 V DC
Category
Time-Delay Cylindrical Fuses
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

MERSEN
Manufacturer Part Number
TR20R
Series
TR-R
Type
TR-R Series, Time-Delay, 20 A, Non-Indicating
AC
250 V
DC
160 V

Technical Documents

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

Product Description

The MERSEN TR-R Series TR20R is a Class RK5, time-delay cylindrical fuse rated at 20 A, 250 V AC and 160 V DC. This non-indicating fuse is designed for overcurrent protection in industrial electrical systems, supporting reliable operation across 14 departments—and we supply far more than is listed. Our specialist depth in controls, backed by authorized distribution for brands like Schneider and ABB, ensures you get the right solution for your application.

Frequently Asked Questions

What is a MERSEN TR20R fuse used for?

The MERSEN TR20R is a Class RK5, time-delay cylindrical fuse rated 20 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 TR-R Series fuse?

The MERSEN TR-R Series fuse, model TR20R, is a Class RK5 time-delay fuse rated 20 A, 250 V AC and 160 V DC. It is non-indicating, cylindrical, and designed for reliable overcurrent protection in industrial electrical systems.

Where to buy MERSEN TR20R fuses worldwide?

3G Electric supplies the MERSEN TR20R fuse to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this Class RK5 time-delay fuse.

How to select the right MERSEN TR-R fuse for your application?

Select a MERSEN TR-R fuse based on voltage (AC/DC), current rating, and time-delay requirements. For motor circuits, ensure the fuse handles inrush current. The TR20R is rated 20 A, 250 V AC / 160 V DC. Consult a qualified engineer for proper coordination.

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
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