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MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 7 A, 250 V AC, 160 V DC - Time-Delay Cylindrical Fuses
MERSENTime-Delay Cylindrical Fuses

MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 7 A, 250 V AC, 160 V DC

The MERSEN TR-R Series Class RK5 Time-Delay Cylindrical Fuse (MPN TR7R) is a 7 A, non-indicating fuse rated for 250 V AC and 160 V DC. 3G Electric interprets your demand for industrial circuit protection, sourcing…

SKU 3G-OTH-27160

Brand
MERSEN
Item
Fuse: Class RK5, TR-R Series, Time-Delay, 7 A, 250 V AC, 160 V DC
Category
Time-Delay Cylindrical Fuses
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

MERSEN
Manufacturer Part Number
TR7R
Series
TR-R
Type
TR-R Series, Time-Delay, 7 A, Non-Indicating
AC
250 V
DC
160 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 TR7R) is a 7 A, non-indicating fuse rated for 250 V AC and 160 V DC. 3G Electric interprets your demand for industrial circuit protection, sourcing this fuse across 14 departments — with specialist depth in controls to support your electrical system needs.

Frequently Asked Questions

What is the MERSEN TR7R fuse used for?

The MERSEN TR7R is a Class RK5 time-delay cylindrical fuse rated 7 A, 250 V AC / 160 V DC. It protects motor circuits, transformers, and lighting systems from overcurrents while tolerating harmless inrush surges. Common in industrial control panels and power distribution.

What are the specifications of the MERSEN TR7R fuse?

The MERSEN TR7R is a Class RK5, TR-R series time-delay fuse. It is rated 7 A, 250 V AC and 160 V DC, non-indicating. The manufacturer part number is TR7R. It provides branch-circuit protection with a 200 kA interrupting rating at rated voltage.

Where to buy MERSEN TR7R fuses worldwide?

3G Electric supplies the MERSEN TR7R fuse globally. As a sourcing partner, we handle logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we source and deliver this Class RK5 time-delay fuse to your location.

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

Select the MERSEN TR-R fuse based on continuous load current (7 A for TR7R), system voltage (250 V AC or 160 V DC), and required time-delay characteristics for motor or transformer starting. Always verify the Class RK5 rejection feature matches your fuse holder. Consult a qualified engineer 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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