Braking Resistors
If a motor brakes or a drive controller reduces its speed set value, the kinetic energy of the drive system is fed back to the DC link capacitors of the drive controller. However the capacity of these capacitors is limited to a defined maximum voltage. From a certain voltage level, an integrated brake chopper connects the braking resistor as a consumer – this absorbs the existing braking energy, the voltage lowers and the kinetic energy is mostly converted to heat. In addition to the different drive controllers, STOBER offers corresponding braking resistors in different sizes and performance classes.
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Bottom brake resistor (size 0 – size 2)
Flat resistor with optimized design
IP40 protection class
Power range 60–100 W
Resistance range 22–100 Ω
Can be retrofitted at any time
Flat resistor
Compact design with a rectangular profile
With or without a temperature switch
IP54 protection class
Power range 150–500 W
Resistance range 22–100 Ω
Can be used in harsh environments
Tubular fixed resistor
Features a rugged housing made of continuously galvanized sheet steel
With or without a temperature switch
IP20 protection class
Control cabinet version or version for decentralized installation
Power range 600–1200 W
Resistance range 22–100 Ω
High power density
Steel-grid fixed resistor
Features a rugged housing made of continuously galvanized sheet steel
With or without a temperature switch
IP20 protection class
Control cabinet version or version for decentralized installation
Power range 2500–8000 W
Resistance range 15–22 Ω
Large power range
Flat resistor with optimized design
IP40 protection class
Power range 60–100 W
Resistance range 22–100 Ω
Can be retrofitted at any time
Flat resistor
Compact design with a rectangular profile
With or without a temperature switch
IP54 protection class
Power range 150–500 W
Resistance range 22–100 Ω
Can be used in harsh environments
Tubular fixed resistor
Features a rugged housing made of continuously galvanized sheet steel
With or without a temperature switch
IP20 protection class
Control cabinet version or version for decentralized installation
Power range 600–1200 W
Resistance range 22–100 Ω
High power density
Steel-grid fixed resistor
Features a rugged housing made of continuously galvanized sheet steel
With or without a temperature switch
IP20 protection class
Control cabinet version or version for decentralized installation
Power range 2500–8000 W
Resistance range 15–22 Ω
Large power range
