The main characteristics of electric CHAIN ??cranes lifting crane faster licensing of electric brake system introduced two groups: (1) Motor brake (2) mechanical load brake multiplied by four sets safety devices: (1) motor overload protection (2) overload slip clutch (3 ) electric limit switch (4) Emergency stop sturdy lightweight aluminum body structure material, compact and has a short suspension from the use of high tensile alloy steel load CHAIN ??ride, hot dipped galvanized and resistant to wear and tear. All gear and pinion axis is made of high quality steel. It has a very good surface hardness. And ends with anti-friction ball bearings for support, the gear is running in a sealed oil bath, heavyweight design. MODE DH-500 CAPACITY (KG) 500 STANDARD LIFT (M) 3 Power (Voltage) 100V-120V / 200V-240V CYCLE (HZ) 50/60 MOTOR POWER (Kw) 1.3 LIFTING SPEED (M / MIN.) 5/6 CHAIN ??DIA (mm) 6.3 motor system:? the use of industrial and high efficiency series wound brushless motor has two single-phase voltage selection Configuration enameled heat levels up to 180 degrees for a long time lifting specially designed 2. brakes... System: patented mechanical ratchet gear brake controller short circuit resistance Shuangsha vehicle braking system uses a high coefficient of friction disc type oil-soaked copper brake adjustment completely without power or braking safety brake failure immediately out?.?.?? High life 3. Electronic control system: the use of direct control eliminates cumbersome wiring easy maintenance and low failure rate security and stability control switch and power cord adopt separate quick connector wire entanglement trouble-free and easy to carry 4????.?. Chain Size: Japan imported original FEC chain manufacturing firms are manufacturing 80 grade alloy steel 3-fold safety factor 5. The gear system: using the best efficiency of the transmission plus planetary reduction gear is a planetary gear set is a 2. ? run a steel heat treatment of the idler power sharing life of more than 2 times the general transmission type 6. Infrastructure: 4.5mm high strength steel supports using the crane architecture using electrodeposition paint good rust resistance for harsh environments.?. -15 to + 65 degrees 7. The housing part: motor body is one piece aluminum die toughness strong computer CNC machining high precision gear rotor running smoothly as one piece aluminum die toughness strong????.?? ? computer CNC machining high precision low noise completely sealed up to IP 65. Water resistant and powder coating using car looks compact and lightweight structure effectively increase the vertical stroke 8. jobs rose up and down hook Group:?.?.?. Use Steel hot forging molding? high strength safety factor of four times.