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MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 100 A, 250 V AC, 250 V DC - Time-Delay Blade Fuses
MERSENTime-Delay Blade Fuses

MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 100 A, 250 V AC, 250 V DC

The MERSEN TR-R Series TR100R is a Class RK5 time-delay blade fuse rated for 100 A at 250 V AC and 250 V DC. This non-indicating fuse is designed for overcurrent protection in industrial electrical systems…

SKU 3G-OTH-26337

Brand
MERSEN
Item
Fuse: Class RK5, TR-R Series, Time-Delay, 100 A, 250 V AC, 250 V DC
Category
Time-Delay Blade Fuses
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Local availability & support

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Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MERSEN
Manufacturer Part Number
TR100R
Series
TR-R
Type
TR-R Series, Time-Delay, 100 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 TR100R is a Class RK5 time-delay blade fuse rated for 100 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 and instrumentation. As an authorised distributor for MERSEN, 3G Electric provides specialist expertise in sourcing and supporting this fuse alongside a broad range of industrial components from brands like Schneider, ABB, and Siemens.

Frequently Asked Questions

What is the MERSEN TR100R fuse used for?

The MERSEN TR100R is a Class RK5 time-delay fuse rated 100 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 TR100R fuse?

The MERSEN TR100R is a Class RK5, TR-R series time-delay fuse. It is rated 100 A, 250 V AC, and 250 V DC. It is non-indicating and uses a blade-style body. The manufacturer part number is TR100R.

Where to buy MERSEN TR100R fuses worldwide?

3G Electric supplies the MERSEN TR100R fuse worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

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

Select the MERSEN TR-R fuse based on your circuit's voltage (250 V AC/DC max) and continuous current (100 A for TR100R). Ensure the Class RK5 time-delay characteristic matches your motor or transformer inrush requirements. Consult the manufacturer's data sheet for 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 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 200 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR200R)
MERSEN
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 200 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR200R)
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 250 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR250R)
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MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 250 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR250R)
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 350 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR350R)
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MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 350 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR350R)
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 150 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR150R)
MERSEN
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 150 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR150R)
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 225 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR225R)
MERSEN
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 225 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR225R)
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 400 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR400R)
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MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 400 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR400R)

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MERSEN Fuse: Class RK5, TRS-RID Series, Time-Delay, 250 A, 600 V AC, 600 V DC, Indicating (MPN TRS250RID)
MERSEN Fuse: Class RK5, TRS-RID Series, Time-Delay, 100 A, 600 V AC, 600 V DC, Indicating (MPN TRS100RID)
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MERSEN Fuse: Class RK5, TRS-R Series, Time-Delay, 450 A, 600 V AC, 600 V DC, Non-Indicating (MPN TRS450R)
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MERSEN Fuse: Class RK5, TRS-RID Series, Time-Delay, 90 A, 600 V AC, 600 V DC, Indicating (MPN TRS90RID)
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MERSEN Fuse: Class RK5, TRS-RID Series, Time-Delay, 90 A, 600 V AC, 600 V DC, Indicating (MPN TRS90RID)
MERSEN Fuse: Class RK5, TRS-R Series, Time-Delay, 75 A, 600 V AC, 600 V DC, Non-Indicating (MPN TRS75R)
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MERSEN Fuse: Class RK5, TRS-R Series, Time-Delay, 75 A, 600 V AC, 600 V DC, Non-Indicating (MPN TRS75R)
MERSEN Fuse: Class RK5, TR-RID Series, Time-Delay, 300 A, 250 V AC, 250 V DC, Indicating (MPN TR300RID)
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MERSEN Fuse: Class RK5, TR-RID Series, Time-Delay, 300 A, 250 V AC, 250 V DC, Indicating (MPN TR300RID)