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MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 1.125 A, 250 V AC, 250 V DC - Time-Delay Cylindrical Fuses
MERSENTime-Delay Cylindrical Fuses

MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 1.125 A, 250 V AC, 250 V DC

The MERSEN TR-R Series Class RK5 Time-Delay Cylindrical Fuse (MPN TR1-1/8R) is a non-indicating, 1.125 A fuse rated for 250 V AC and 250 V DC. 3G Electric interprets demand and delivers this fuse across 14 industrial…

SKU 3G-OTH-26912

Also listed as: TR118R · TR1 1 8R · TR1-1-8R

Brand
MERSEN
Item
Fuse: Class RK5, TR-R Series, Time-Delay, 1.125 A, 250 V AC, 250 V DC
Category
Time-Delay Cylindrical Fuses
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Local availability & support

Delivery
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
TR1-1/8R
Series
TR-R
Type
TR-R Series, Time-Delay, 1.125 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 TR1-1/8R) is a non-indicating, 1.125 A fuse rated for 250 V AC and 250 V DC. 3G Electric interprets demand and delivers this fuse across 14 industrial departments, with specialist depth in electrical components as an authorised distributor.

Frequently Asked Questions

What is the MERSEN TR1-1/8R fuse used for?

The MERSEN TR1-1/8R is a Class RK5 time-delay fuse rated 1.125 A at 250 V AC/DC. It protects industrial circuits against overloads and short circuits, commonly used in motor control centers, panel boards, and branch circuits where inrush currents occur.

What are the specifications of the MERSEN TR1-1/8R fuse?

The MERSEN TR1-1/8R is a Class RK5, TR-R series, time-delay, non-indicating fuse. It has a current rating of 1.125 A, voltage rating of 250 V AC and 250 V DC, and the manufacturer part number is TR1-1/8R. It is a cylindrical fuse.

Where to buy MERSEN TR1-1/8R fuses worldwide?

3G Electric supplies the MERSEN TR1-1/8R fuse worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct MERSEN TR1-1/8R fuse for an application?

Select the MERSEN TR1-1/8R fuse by matching its 1.125 A rating and 250 V AC/DC voltage to your circuit requirements. Ensure the Class RK5 time-delay characteristic suits motor or transformer inrush currents. Verify physical dimensions and terminal type for your fuse holder.

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, 600 mA, 250 V AC, 250 V DC, Non-Indicating (MPN TR6/10R)
MERSEN
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 600 mA, 250 V AC, 250 V DC, Non-Indicating (MPN TR6/10R)
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 1 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR1R)
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MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 1 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR1R)
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 1.6 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR1-6/10R)
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MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 1.6 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR1-6/10R)
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 500 mA, 250 V AC, 250 V DC, Non-Indicating (MPN TR1/2R)
MERSEN
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 500 mA, 250 V AC, 250 V DC, Non-Indicating (MPN TR1/2R)
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 400 mA, 250 V AC, 250 V DC, Non-Indicating (MPN TR4/10R)
MERSEN
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 400 mA, 250 V AC, 250 V DC, Non-Indicating (MPN TR4/10R)
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 1.4 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR1-4/10R)
MERSEN
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 1.4 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR1-4/10R)

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MERSEN Fuse: GFN Series, Midget, Time-Delay, 1.125 A, 250 V AC, 13/32 in x 1 1/2 in, Indicating (MPN GFN1-1/8)
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MERSEN Fuse: Class RK5, TRS-R Series, Time-Delay, 15 A, 600 V AC, 300 V DC, Non-Indicating (MPN TRS15R)
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