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MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 50 A, 250 V AC, 250 V DC - Time-Delay Cylindrical Fuses
MERSENTime-Delay Cylindrical Fuses

MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 50 A, 250 V AC, 250 V DC

The MERSEN TR-R Series Class RK5 Time-Delay Cylindrical Fuse (MPN TR50R) is a 50 A, non-indicating fuse rated for 250 V AC and 250 V DC. This fuse provides time-delay protection for industrial circuits, sourced and…

SKU 3G-OTH-27308

Brand
MERSEN
Item
Fuse: Class RK5, TR-R Series, Time-Delay, 50 A, 250 V AC, 250 V DC
Category
Time-Delay Cylindrical Fuses
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MERSEN
Manufacturer Part Number
TR50R
Series
TR-R
Type
TR-R Series, Time-Delay, 50 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 TR-R Series Class RK5 Time-Delay Cylindrical Fuse (MPN TR50R) is a 50 A, non-indicating fuse rated for 250 V AC and 250 V DC. This fuse provides time-delay protection for industrial circuits, sourced and supported by 3G Electric across 14 industrial departments, with specialist expertise in electrical components.

Frequently Asked Questions

What is a MERSEN TR50R fuse used for?

The MERSEN TR50R is a Class RK5, time-delay cylindrical fuse rated 50 A at 250 V AC/DC. It protects motors, transformers, and lighting circuits from overloads and short circuits, allowing temporary inrush currents without nuisance opening.

What are the specifications of the MERSEN TR50R fuse?

The MERSEN TR50R is a Class RK5, TR-R series, time-delay, non-indicating fuse rated 50 A, 250 V AC and 250 V DC. It is a cylindrical fuse designed for branch-circuit protection with a 200 kA interrupting rating.

Where to buy MERSEN TR50R fuses worldwide?

3G Electric supplies the MERSEN TR50R 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 Class RK5 time-delay fuse.

How to select the right MERSEN TR-R series fuse for a motor circuit?

Select a MERSEN TR-R series fuse like the TR50R by matching voltage (250 V AC/DC) and current rating (50 A) to the motor full-load amps. Time-delay characteristics handle startup inrush. Always verify interrupting rating meets available 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 45 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR45R)
MERSEN
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 45 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR45R)
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 35 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR35R)
MERSEN
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 35 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR35R)
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 40 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR40R)
MERSEN
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 40 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR40R)
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 30 A, 250 V AC, 160 V DC, Non-Indicating (MPN TR30R)
MERSEN
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 30 A, 250 V AC, 160 V DC, Non-Indicating (MPN TR30R)
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 60 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR60R)
MERSEN
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 60 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR60R)
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 25 A, 250 V AC, 160 V DC, Non-Indicating (MPN TR25R)
MERSEN
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 25 A, 250 V AC, 160 V DC, Non-Indicating (MPN TR25R)

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