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MERSEN TR250R Time-Delay Blade Fuse, 250 A, 250 V AC/DC, Class RK5 - Time-Delay Blade Fuses
MERSENTime-Delay Blade Fuses

MERSEN TR250R Time-Delay Blade Fuse, 250 A, 250 V AC/DC, Class RK5

The MERSEN TR-R Series TR250R is a Class RK5 time-delay blade fuse rated 250 A at 250 V AC and 250 V DC. This non-indicating fuse is designed for overcurrent protection in industrial electrical systems, supporting…

SKU 3G-OTH-27692

Brand
MERSEN
Item
TR250R Time-Delay Blade Fuse, 250 A, 250 V AC/DC, Class RK5
Part Number
TR250R
Category
Time-Delay Blade Fuses
Available to Order
Also known as:TR250RMERSEN
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

MERSEN
Manufacturer Part Number
TR250R
Series
TR-R
Type
TR-R Series, Time-Delay, 250 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 TR250R is a Class RK5 time-delay blade fuse rated 250 A at 250 V AC and 250 V DC. This non-indicating fuse is designed for overcurrent protection in industrial electrical systems, supporting applications across 14 departments including electrical, machining, and power transmission. As an authorised distributor for MERSEN and brands like Schneider, ABB, and Siemens, 3G Electric interprets demand and delivers the right fuse with specialist support in controls and power distribution.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the MERSEN TR250R fuse used for?

The MERSEN TR250R is a Class RK5 time-delay blade fuse rated 250 A at 250 V AC/DC. It protects industrial circuits with high inrush currents, such as motors, transformers, and lighting systems, by delaying opening during temporary overloads.

What are the specifications of the MERSEN TR250R fuse?

The MERSEN TR250R is part of the TR-R series, a Class RK5 time-delay fuse. It is rated 250 A, 250 V AC, and 250 V DC, non-indicating. The manufacturer part number is TR250R, and it is designed for blade-style mounting in industrial fuse holders.

Where to buy MERSEN TR250R fuses worldwide?

You can source the MERSEN TR250R fuse through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your maintenance or project needs.

How to select the correct MERSEN TR250R fuse for an application?

To select the MERSEN TR250R, verify your circuit voltage (max 250 V AC/DC) and continuous current (250 A). Ensure the Class RK5 time-delay characteristic matches your inrush load, such as motors or transformers. Consult the TR-R series datasheet for coordination with upstream protection.

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.
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MERSEN Products

3G Electric supplies MERSEN time-delay blade fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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