The choice of “cable reel” plays a critical role in reliable power supply for electric construction machinery. Worldwide, the construction and heavy-industry sectors are rapidly switching to electric machinery. Electric excavators, cranes and mining machines that replace diesel-engine machines offer lower emissions, lower noise levels and lower operating costs.
But one of the unseen yet most critical components of this transformation is a reliable power supply. As much as how powerful the machine is, the power-supply system it uses directly affects efficiency and occupational safety. This is exactly where motorized cable reels — BM Makina’s KATO series solutions — come into play.
Why Is a Reliable Power Supply Essential?
On electric machinery, a power interruption does not just stop the machine; it also directly affects production plans, the site schedule and maintenance costs. A reliable power-supply system must provide:
- Uninterrupted power transfer: smooth transfer of power and control signals through the cable even while the machine is moving
- Cable protection: the cable being usable for many years without being crushed, broken or tangled
- Occupational safety: eliminating the tripping, jamming and fault risks created by cables dragging on the ground
- Efficiency: the operator being able to focus only on the job without dealing with the cable
A poorly designed power-supply system means cable breakage, frequent faults, unplanned downtime, high maintenance costs and serious occupational-safety risks.
At the Heart of Cable Supply: Motorized Cable Reels
A significant portion of electric machinery is turning to grid-cable-fed solutions instead of battery systems. The reason is the need for high power, long operating hours and low operating cost. In this scenario, motor-driven cable reels form the heart of the system.
BM Makina KATO series motorized cable reels:
- Automatically reel in and collect the cable as the machine moves
- Keep the cable at a controlled tension at all times
- Thanks to a magnetic clutch, let the reel slip in a controlled way under sudden loads to protect the cable and the motor
- With an integrated slip-ring unit, transfer power and control signals uninterrupted even while the reel rotates
Result: every time the electric machine moves, the cable moves safely with it; no cable is left dragging or tangled on the ground.
BM Makina Solutions: Integration with KATO and Other Systems
BM Makina has a structure capable of offering end-to-end solutions on the power-supply side for electric machinery:
- KATO Motor-Driven Cable Reels
- KATO Single-Row / Wide-Wind / Double-Row Wind Reels
- KATO YKT Spring Cable Reels (for medium-distance applications)
- VAHLE Power Transmission Systems (conductor rails, cable trolleys, etc.)
- LIFTKET Electric Chain Hoists and Lifting Solutions
Thus, instead of merely supplying a cable reel, all the components — crane + power transmission + cable reel + control — can be engineered from a single source in harmony with one another. Especially for:
- Electric travelling bridge cranes
- Gantry cranes
- Electric excavators and mining machines
- Moving systems in tunnelling, port, steel and automotive facilities
BM Makina can offer turnkey solutions by handling both the mechanical design and the power-supply architecture together.
The Advantages a Reliable Power Supply Brings to the Operation
When the right cable reel and power-supply system are chosen for electric machinery, the gains for businesses are tangible:
- Fewer faults, less downtime
Thanks to controlled reeling and cable protection, cable breakages and insulation damage are minimized. Unplanned stoppages decrease. - Lower maintenance cost
Because the life of the cable reel and cables is extended, both spare-parts cost and maintenance labour fall. - High occupational safety
Cables dragged on the ground and left under the machine are eliminated. A safer working environment is created for operators and for vehicles such as forklifts and cranes. - Energy efficiency and sustainability
Electric machinery already offers lower emissions and higher energy efficiency than diesel counterparts. A reliable cable reel system supports the continuity of this efficiency and helps the business reduce its carbon footprint. - Project-based flexibility
Because BM Makina can design KATO reels for the specific project according to parameters such as cable type, length, voltage level and machine speed, it can step in on applications that cannot be solved with standard products.
What Should Be Watched in Electric Machinery Projects?
When choosing a power-supply system for electric machinery, the following questions must be answered:
- What is the machine’s maximum travel distance? (active cable length)
- What is the type, cross-section, outer diameter and weight of the cable to be used?
- What is the supply voltage and current value? (low/medium voltage, control/circuit, data, etc.)
- What is the machine’s maximum operating speed?
- What are the environmental conditions? (dust, moisture, temperature, outdoors, aggressive chemicals, etc.)
According to the answers to these questions, BM Makina engineers the right KATO reel model — together with VAHLE power transmission systems and LIFTKET lifting equipment where necessary — to create the optimum solution for the electric machine.
Conclusion: Reliable Power Supply on Electric Machinery Begins with the Right Cable Reel
Electric machinery is becoming the standard of the future with low emissions, low noise and low operating costs. But the way to get maximum efficiency from these machines is through a properly engineered power-supply system.
Together with BM Makina’s KATO motorized cable reels, VAHLE power transmission solutions and LIFTKET lifting equipment, it offers a power-supply infrastructure for electric machinery that is:
- Safe
- Uninterrupted
- Long-life
- Proven by field experience
When planning your electric machinery, considering the power-supply side together with BM Makina at the very start of your project both optimizes the investment cost and lays the foundation of a system that will work trouble-free for years.





