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MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 70 A, 250 V AC, 250 V DC - Time-Delay Blade Fuses
MERSENTime-Delay Blade Fuses

MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 70 A, 250 V AC, 250 V DC

The MERSEN TR70R is a Class RK5 time-delay blade fuse from the TR-R Series, rated for 70 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-26088

Brand
MERSEN
Item
Fuse: Class RK5, TR-R Series, Time-Delay, 70 A, 250 V AC, 250 V DC
Category
Time-Delay Blade Fuses
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Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MERSEN
Manufacturer Part Number
TR70R
Series
TR-R
Type
TR-R Series, Time-Delay, 70 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 TR70R is a Class RK5 time-delay blade fuse from the TR-R Series, rated for 70 A at 250 V AC and 250 V DC. This non-indicating fuse is designed for overcurrent protection in industrial electrical systems. 3G Electric interprets your demand, sources genuine MERSEN fuses, and provides competitive quotes with technical support across 14 industrial departments, with specialist depth in electrical components.

Frequently Asked Questions

What is the MERSEN TR70R fuse used for?

The MERSEN TR70R is a Class RK5 time-delay blade fuse rated 70 A at 250 V AC/DC. It protects industrial motor circuits, transformers, and lighting systems from overloads and short circuits, allowing harmless inrush currents without nuisance opening.

What are the specifications of the MERSEN TR70R fuse?

The MERSEN TR70R is part of the TR-R series, a Class RK5 time-delay fuse. It is rated 70 A, 250 V AC and 250 V DC, non-indicating, with a blade-style body. The manufacturer part number is TR70R.

Where to buy MERSEN TR70R fuses worldwide?

3G Electric supplies the MERSEN TR70R fuse worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to any location. Contact us for availability and lead time on this Class RK5 time-delay fuse.

How to select the correct MERSEN TR70R fuse for an application?

Select the MERSEN TR70R for circuits requiring time-delay protection up to 70 A at 250 V AC/DC. Verify the fuse class (RK5) matches your panel's rejection features. For motor starts or transformer inrush, the TR-R series provides the necessary delay without nuisance trips.

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, 75 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR75R)
MERSEN
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 75 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR75R)
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 200 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR200R)
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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, 80 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR80R)
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MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 80 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR80R)
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, TRS-R Series, Time-Delay, 70 A, 600 V AC, 600 V DC, Non-Indicating (MPN TRS70R)
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MERSEN Fuse: Class RK5, TRS-R Series, Time-Delay, 70 A, 600 V AC, 600 V DC, Non-Indicating (MPN TRS70R)
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 250 A, 250 V AC, 250 V DC, Non-Indicating (MPN TR250R)
MERSEN
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, TRS-R Series, Time-Delay, 175 A, 600 V AC, 600 V DC, Non-Indicating (MPN TRS175R)
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MERSEN Fuse: Class RK5, TRS-R Series, Time-Delay, 175 A, 600 V AC, 600 V DC, Non-Indicating (MPN TRS175R)
MERSEN Fuse: Class RK5, TR-RID Series, Time-Delay, 100 A, 250 V AC, 250 V DC, Indicating (MPN TR100RID)
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MERSEN Fuse: Class RK5, TR-RID Series, Time-Delay, 100 A, 250 V AC, 250 V DC, Indicating (MPN TR100RID)
MERSEN Fuse: Class RK5, TRS-RID Series, Time-Delay, 250 A, 600 V AC, 600 V DC, Indicating (MPN TRS250RID)
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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-RID Series, Time-Delay, 100 A, 600 V AC, 600 V DC, Indicating (MPN TRS100RID)
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-R Series, Time-Delay, 450 A, 600 V AC, 600 V DC, Non-Indicating (MPN TRS450R)
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)