The EN X, MID, ESX, and MAX designs are specially designed and manufactured by Elfatek Elektronik to provide ease of use. These models are particularly used in construction cranes, overhead cranes, and also in special applications.
The controller body is resistant to impacts, collisions, and water in different climate conditions. It is designed to be suitable for use with gloves.
| Model | MAX |
| Number of Buttons | 10 |
| Maximum Extracted Power | 36 mW |
| Supply Voltage | 3 VDC |
| Operating Frequency | 2.4 GHz ISM Band |
| Number of Channels | 80 |
| Operating Range | 100 m |
| RF System Output Power | 10 mW ERP (Internal Antenna) |
| Operating and Storage Temperature | -40°C to +85°C |
| External Case Protection Rating | IP 65 |
| Body Material | Polyamide |
| Button Diameter | 20 mm |
| Battery | 2xAA Alkaline Battery |
| Continuous Operation with Fully Charged Battery | ≥ 240 hours |
| Operating Time after Low Battery Warning | 30 minutes |
| 10 Button (Including Battery) | 0.385 kg |
| Model | MAX |
| Maximum Extracted Power | 10 W |
| Supply Voltage | 48–110–220 VAC (Standard) |
| Optional Supply Voltages | 15–35 VAC / 15–50 VDC / 380 VAC |
| Operating Frequency | 2.4 GHz ISM Band |
| Number of Channels | 80 |
| Operating Range | 100 m |
| Start Relay Response Time | ≤ 65 ms |
| Command Relay Response Time | ≤ 65 ms |
| Response Time for Passive Emergency (EGM Passive) | ≤ 70 ms |
| Operating and Storage Temperature | -40°C to +85°C |
| External Case Protection Rating | IP 65 |
| Body Material | Polyamide |
| Maximum Capacity of Control Relays | 10A 250VAC |
| Maximum Capacity of Stop Relays | 8A 250VAC |
| Weight (Including Box) | 2.5 kg |
| Small Size (HxWxD) | 235x150x120 mm |
| Medium Size (HxWxD) | 320x170x120 mm |
| Large Size (HxWxD) | 335x195x130 mm |