Power Resistors
Neutral earthing resistors, braking resistors, load banks, rotor resistor starters and custom resistor assemblies built for harsh Australian conditions.
Neutral Earthing Resistor
One of the most common mistakes buyers make is requesting a quote without providing complete technical information. Manufacturers use the following details to design and size the resistor correctly.
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Braking Resistor
At OHMIC RESISTORS, we manufacture Dynamic Braking Resistors with thermal ratings to suit customer requirements within resistor design criteria. Designs may be air natural or force air cooled. The purpose of a dynamic braking resistor is, when inserted into a motor or VFVV drive circuit, to slow down an electric motor and upstream equipment by converting kinetic energy into heat. The design of dynamic braking resistors depends on cyclic ratings of given systems, for example electric locomotives or mill drives.
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Load Banks
Our load banks are used by a wide range of clients and industries such as mining sites, oil and gas plants, hospitals, major buildings, process plants, locomotive testing and many other essential services where it is required to verify the performance and reliability of generator systems.
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Rotor Resistor Starters
Slip Ring Motors are primarily used to start high inertia load or a load that requires a starting torque across a full speed range. By correctly selecting the resistors inserted into the Rotor circuit, the motor is able to produce maximum torque at a relatively low current from zero to full speed.
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Wire Wound Resistors
From 0.5 watt to megawatts; performance, durability and quality are the hallmarks of our resistors & load banks. We have specialized in manufacturing high accuracy wire-wound power resistors and resistive element ‘dummy’ loads for over 70 years.
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Plate Resistors
Backer Cynebar Ohmic manufactures custom-engineered Grid Plate Resistors for dynamic braking, motor control, load banks, mining equipment, cranes, conveyors and industrial power systems. Designed for high energy absorption and reliable heat dissipation, our resistors deliver dependable performance in demanding environments.
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Aluminium Housed Resistors
Compact, reliable power resistors for demanding industrial applications. The Danotherm Alpha Range Aluminium Housed Resistors is engineered for applications where reliability, thermal performance, and long service life are critical. Designed in Denmark and used worldwide, these compact power resistors deliver dependable energy dissipation for braking, power conversion, automation, and renewable energy systems. Available from Backer Cynebar Ohmic, the Alpha Range combines high power density with excellent heat dissipation, making it an ideal solution for industrial environments where space is limited and performance matters.
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Liquid Cooled Resistors
High-Power Liquid Cooled Resistors for Renewable Energy, Mining, Rail and Industrial Applications When extreme energy dissipation is required, traditional air-cooled resistors can become large, inefficient, and difficult to integrate. Liquid Cooled Resistors provide an advanced solution by delivering exceptional power density, superior thermal management, and reliable performance in a significantly smaller footprint. At Backer Cynebar Ohmic, we supply Danotherm Liquid Cooled Resistors for some of Australia's most demanding applications, including Battery Energy Storage Systems (BESS), dynamic braking systems, rail infrastructure, mining operations, renewable energy projects, power generation facilities, and industrial drive systems. Designed for power ratings from 6 kW up to 1,450 kW, these high-performance resistor systems are engineered for environments where reliability, efficiency, and space optimisation are critical.
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Steel Tube Resistors
When systems require maximum power in a minimal footprint, Danotherm’s steel tube resistors deliver the most streamlined and rugged solution. Purpose-built for harsh industrial environments where uncompromising reliability and thermal stability are paramount, these convection-cooled units are engineered for demanding loads, including overload conditions of up to ten times rated power for short intervals.
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Auxilliary Equipment
PR-Series Resistors · RB-Series Resistors
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