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MERSEN TR-R Series Time-Delay Cylindrical Fuse - Time-Delay Cylindrical Fuses
MERSENTime-Delay Cylindrical Fuses

MERSEN TR-R Series Time-Delay Cylindrical Fuse

The MERSEN TR-R Series Class RK5 Time-Delay Cylindrical Fuse (MPN TR17-1/2RID) is a 17.5 A, indicating fuse rated for 250 V AC and 160 V DC. As a time-delay fuse, it accommodates temporary inrush currents without…

SKU 3G-OTH-28503

Also listed as: TR1712RID · TR17 1 2RID · TR17-1-2RID

Brand
MERSEN
Item
TR-R Series Time-Delay Cylindrical Fuse
Category
Time-Delay Cylindrical Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
TR17-1/2RID
Series
TR-R
Type
TR-R Series, Time-Delay, 17.5 A, Indicating
AC
250 V
DC
160 V

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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 TR17-1/2RID) is a 17.5 A, indicating fuse rated for 250 V AC and 160 V DC. As a time-delay fuse, it accommodates temporary inrush currents without nuisance opening, while the indicating feature provides visual identification of a blown fuse for faster troubleshooting.

Frequently Asked Questions

What is the MERSEN TR17-1/2RID fuse used for?

The MERSEN TR17-1/2RID is a Class RK5 time-delay fuse rated 17.5 A, 250 V AC / 160 V DC. It protects motor circuits, transformers, and lighting systems from overloads and short circuits. Its indicating feature allows quick visual identification of a blown fuse, reducing downtime in industrial control panels and distribution equipment.

What are the specifications of the MERSEN TR17-1/2RID fuse?

The MERSEN TR17-1/2RID is a Class RK5, TR-R series time-delay fuse. It is rated 17.5 A, 250 V AC and 160 V DC. The fuse is indicating (blown-fuse indicator) and has a cylindrical body. The manufacturer part number is TR17-1/2RID. It is designed for overcurrent protection in industrial circuits.

Where to buy the MERSEN TR17-1/2RID fuse worldwide?

3G Electric supplies the MERSEN TR17-1/2RID fuse worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source and deliver this fuse to any country.

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

To select the correct MERSEN TR-R series fuse, match the voltage rating (250 V AC or 160 V DC) and current rating (17.5 A for the TR17-1/2RID) to your circuit. Use time-delay fuses for motor starting inrush. Verify the Class RK5 rejection feature fits your fuse holder. Consult a qualified electrician for coordination studies.

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, 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)
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 17.5 A, 250 V AC, 160 V DC, Non-Indicating (MPN TR17-1/2R)
MERSEN
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 17.5 A, 250 V AC, 160 V DC, Non-Indicating (MPN TR17-1/2R)
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 20 A, 250 V AC, 160 V DC, Non-Indicating (MPN TR20R)
MERSEN
MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 20 A, 250 V AC, 160 V DC, Non-Indicating (MPN TR20R)
MERSEN Fuse: Class RK5, TRS-R Series, Time-Delay, 17.5 A, 600 V AC, 300 V DC, Non-Indicating (MPN TRS17-1/2R)
MERSEN
MERSEN Fuse: Class RK5, TRS-R Series, Time-Delay, 17.5 A, 600 V AC, 300 V DC, Non-Indicating (MPN TRS17-1/2R)
MERSEN Fuse: Class RK5, TRS-RID Series, Time-Delay, 17.5 A, 600 V AC, 300 V DC, Indicating (MPN TRS17-1/2RID)
MERSEN
MERSEN Fuse: Class RK5, TRS-RID Series, Time-Delay, 17.5 A, 600 V AC, 300 V DC, Indicating (MPN TRS17-1/2RID)
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
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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Class RK5 time-delay cylindrical fuse rated 15 A, 600 V AC, 300 V DC. Features an indicating function for quick identification of a blown fuse. Suitable for overcurrent protection in motor circuits, transformers, and other equipment that experiences inrush currents
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Class RK5 time-delay cylindrical fuse rated 15 A, 600 V AC, 300 V DC. Features an indicating function for quick identification of a blown fuse. Suitable for overcurrent protection in motor circuits, transformers, and other equipment that experiences inrush currents
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Time-delay cylindrical fuse rated 10 A, 250 V AC, with non-indicating design. Dimensions 1/4 in x 1 1/4 in. Equivalent to MDA and GSA series. Used for overcurrent protection in circuits with temporary inrush currents, such as motor circuits and power supplies
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E-rated time-delay cylindrical fuse, 5 A, 4.8 kV AC, non-indicating. Designed for overcurrent protection in medium voltage industrial power systems, including motor circuits, transformers, and switchgear. The time-delay characteristic accommodates harmless inrush currents without nuisance opening
Class RK5 time-delay cylindrical fuse rated 30 A, 250 V AC, 160 V DC. Features an indicating function for visual blown-fuse detection. Suitable for overcurrent protection in industrial power distribution, motor, and transformer circuits where inrush currents require a time-delay characteristic
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Class RK5 time-delay cylindrical fuse rated 30 A, 250 V AC, 160 V DC. Features an indicating function for visual blown-fuse detection. Suitable for overcurrent protection in industrial power distribution, motor, and transformer circuits where inrush currents require a time-delay characteristic
The MERSEN TR1/2R is a Class RK5 time-delay cylindrical fuse rated 500 mA at 250 V AC and DC. Part of the TR-R series, it is non-indicating and designed to protect circuits from overloads and short circuits while allowing temporary inrush currents. Typical applications include motor circuits, transformers, and lighting systems
MERSEN
The MERSEN TR1/2R is a Class RK5 time-delay cylindrical fuse rated 500 mA at 250 V AC and DC. Part of the TR-R series, it is non-indicating and designed to protect circuits from overloads and short circuits while allowing temporary inrush currents. Typical applications include motor circuits, transformers, and lighting systems
MERSEN ATQ Series time-delay cylindrical fuse, midget size, rated 1.4 A and 500 V AC. Dimensions 13/32 in x 1 1/2 in, non-indicating. Provides overcurrent protection for circuits with inrush currents, such as control panels, transformers, and motor circuits
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MERSEN ATQ Series time-delay cylindrical fuse, midget size, rated 1.4 A and 500 V AC. Dimensions 13/32 in x 1 1/2 in, non-indicating. Provides overcurrent protection for circuits with inrush currents, such as control panels, transformers, and motor circuits
Time-delay cylindrical fuse from the TR-R series, rated 3.2 A, 250 V AC and 160 V DC. Class RK5, non-indicating design. Suitable for protecting circuits with inrush currents such as motor control centers, transformers, and lighting panels
MERSEN
Time-delay cylindrical fuse from the TR-R series, rated 3.2 A, 250 V AC and 160 V DC. Class RK5, non-indicating design. Suitable for protecting circuits with inrush currents such as motor control centers, transformers, and lighting panels