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MERSEN Fuse: GSF Series, Time-Delay, 4 A, 250 V AC, Non-Indicating, 5 mm x 20 mm - Time-Delay Cylindrical Fuses
MERSENTime-Delay Cylindrical Fuses

MERSEN Fuse: GSF Series, Time-Delay, 4 A, 250 V AC, Non-Indicating, 5 mm x 20 mm

The MERSEN GSF Series is a time-delay cylindrical fuse rated at 4 A and 250 V AC, with a 5 mm x 20 mm non-indicating body. It is equivalent to the S505, 477, and GSF fuse series, identified by manufacturer part…

SKU 3G-OTH-27165

Brand
MERSEN
Item
Fuse: GSF Series, Time-Delay, 4 A, 250 V AC, Non-Indicating, 5 mm x 20 mm
Category
Time-Delay Cylindrical Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
GSF4
Series
GSF
Type
Time-Delay, 4 A, Non-Indicating, 5 mm x 20 mm, S505, 477, & GSF
AC
250 V
Equivalent Fuse Series
S505, 477, & GSF
View Full Spec Sheet

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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN GSF Series is a time-delay cylindrical fuse rated at 4 A and 250 V AC, with a 5 mm x 20 mm non-indicating body. It is equivalent to the S505, 477, and GSF fuse series, identified by manufacturer part number GSF4.

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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MERSEN Fuse: GSF Series, Time-Delay, 1 A, 250 V AC, Non-Indicating, 5 mm x 20 mm, S505, 477, & GSF (MPN GSF1). Key specifications — Brand: MERSEN; Series: GSF; Equivalent Fuse Series: S505, 477, & GSF.
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