European and North American Eurofuses
SIBA URE
BS88 Semiconductor fuses
Voltage ratings:
AC 240V & 700V
I.R rating: 100 kA
Complies with BS 88 Standard
Available with striker for
microswitch operation
Class aR 5 A – 900 A
according to IEC 60269-4
These fuses are British dimension, ultra fast acting types for the
protection of semiconductor devices
such as diodes, rectifiers, SCR’s,
thyristors, ect.
They are used in electronic speed
control devices such as soft-starts
or inverters, in power conversion
equipment, or anywhere where
sensitive electronic components
need protection.
SIBA NH Fuses
Sizes: 000, 00, 0, 1, 2, 3, 4
Voltage ratings: 400 / 500 / 690 /
1000 / 1500 VAC
DC 220 / 400 / 440 V
Operation classes:
gL,gG: Full range breaking
capacity for general application
aM: Partial range breaking
capacity for motor circuit protection
aR/gR: Ultrafast characteristic for
semiconductor circuits.
Standards: IEC 60269-1-2 / EN
60269-1-2
DIN VDE 0636 part 201
DIN VDE 0636 part 2011
DIN 43620
High interrupting rating up to 120kA
Current and energy limiting
Fuse bases available
low power losses, l
SIBA URS SQB
Semiconductor Protection
Sizes: 000, 00, 1, 2, 3
Class: aR
Voltage ratings: AC700 V /AC1300 V
Current ratings: 50 to 3000 A
High interrupting rating
Standards:DIN 43653
DIN VDE 0636-40
IEC 60269-4
UL 248-13
Square body rectifier fuses are
used in large drives and power
conversion equipment where larger
amp ratings and superior short
circuit performance are required.
SIBA UR fuses are fully compatible
with other manufacturers’ fuses.
SIBA SQB fuses provide superior
engineering for the protection of
today’s power semiconductors.
SIBA UR fuses have excellent energy
let-thru characteristics under short
circuit conditions.
SIBA Metric
Ferrule Fuses
Classes: gR/aR/gRL (gS) F, FF, M, T
Current ratings: 100 mA – 250 A
Sizes and voltage ratings:
5 x 20mm: 250, 380V
5 x 25mm: 250, 450V
5 x 30mm: 500V
6.x 32mm: 500, 600, 700 &1000V
10 x 38 mm: 700 & 1000V
10 x 51mm: 600V
14 x 51mm: 400, 700V
22 x 58mm: 400, 700V
32mA - 100A
F = Fast - overload and short circuit
M = Medium, overload and short circuit
FF = Ultrafast, short circuit only
gL = General purpose
aM = Motor circuit, short circuit only
aR/gR: Ultrafast characteristic for
semiconductor circuits.
T = Slow
High interrupting rating up to 300 kA
599 Norris Court
Kingston, On
K7P-2R9
Tel.: (800) 479-3875
Fax: (800) 866-7690