ELK 5 ton electric chain hoist with eletric trolley Type HKDM0502S 1. Side magnetic braking device 2. Light but durable chain bag 3. Electromagnetic contactor 4. Inverse phase sequence protecting device 5. Light aluminum alloy shell 6. Limit switch 7. Approved by CE&GS 8. Chain: FEC 80 9. Noise(single/double speed): 81dB 10. Protection class(hoist and push button): IP54 11. Highly effective, lightweight, easily-maintenance 12. High quality with most competitive price