Cylindrical fuse A155B series
current-limitingmedium-voltagefor electric motors

Cylindrical fuse - A155B series - Mersen - Electrical Power - current-limiting / medium-voltage / for electric motors
Cylindrical fuse - A155B series - Mersen - Electrical Power - current-limiting / medium-voltage / for electric motors
Cylindrical fuse - A155B series - Mersen - Electrical Power - current-limiting / medium-voltage / for electric motors - image - 2
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Characteristics

Configuration
cylindrical
Type
current-limiting
Other characteristics
medium-voltage
Applications
for electric motors
VAC

16 kV

Service temperature

Max.: 80 °C
(176 °F)

Min.: -25 °C
(-13 °F)

Description

Mersen R-Rated fuses are current-limiting, high interrupting rating fuses intended for the short circuit protection of medium voltage motors and motor controllers. R-Rated fuses are back-up fuses that have a minimum interrupting rating, and must be coordinated with overload relays in combination motor starters. The motor starter manufacturer generally specifies the R-Rated fuse size. These fuses are single, double, triple or quadruple barrels 3 inches diameter with end mounts designed for bolting directly to equipment bus or terminal pads

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Exhibitions

Meet this supplier at the following exhibition(s):

Intersolar 2026
Intersolar 2026

23-25 Jun 2026 Munich (Germany) Hall B4 - Stand 480

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