Resistors

for Motor Starting

Starting resistors are used to control the starting current of powerful motors.

Aluminium resistors

Pc  50 ÷ 10,000 W
R  2.2 ÷ 1800 Ω
IP  IP20, IP66

Frame resistors

Pc  1 ÷ 18 kW
R  1.0 ÷ 180 Ω
IP  IP00, IP20

Steel grid resistors

Pc  5 ÷ 60 kW std (up to 160 kW)
R  0.1 ÷ 100 Ω
IP  IP00, IP23

Tube resistors

Pc  120 ÷ 1300 W
R  0.2 ÷ 16,000 Ω
IP  IP00, IP20
PROTECTIVE FUNCTION PACKAGES
F   Standard Feeder (ANSI 50/51, 51BF, 50N/51N, 68, 86)
FF   Advanced Feeder (ANSI 46, 49, 50/51, 51BF, 50N/51N, 68, 79, 86)
V   Standard Voltage (ANSI 27, 59, 81, 68, 86)
VV   Advanced Voltage (ANSI 27, 27V1, 59, 59N, 59V2, 68, 81, 86)
M   Motor (ANSI 37, 46, 48, 49, 51LR, 64, 66, 68, 86)
Dir   Directional (ANSI 67, 67N)
AF   Additional Functions
Note: 68, 86 not present in N-DIN series
TECHNICAL SPECIFICATIONS
Pc  Power Continuous
R  Resistance Range
IP  Protection Class
TECHNICAL SPECIFICATIONS
LWH  Dimensions
Vn  Voltage Class
TECHNICAL SPECIFICATIONS
D  Diameter
P  Power
Pst  Pressure
FC  Fire Class
TECHNICAL SPECIFICATIONS
Ue  Rated Voltage
Ith  Thermal Current
Isc  Short Circuit Making and Breaking Capacity
TECHNICAL SPECIFICATIONS
Ue  Rated Voltage
In  Rated Current
p  Poles Number
UC  Utilization Category
TECHNICAL SPECIFICATIONS
Vcc  Rated Maximum Interrupting Voltage
Icn  Rated Short-circuit Capacity
Icw  Rated Short-time Withstand Current