High Efficiency Electric Zoomlion 20 Ton Luffing-Jib Tower Crane L250-20 with Counter Weight

• Certification: GS, RoHS, CE, ISO9001
• Condition: New
• Maximum Lifting Height: 50-100m
• Maximum Lifting Weight: >10t
• Installation: Assembled
• Moving Type: Fixed
• Model NO.: L250-20
• Type: Top-Slewing Crane
• Transport Package: Container
• Trademark: ZOOMLION
• Origin: China

Product Description

High Efficiency Electric Zoomlion 20 Ton Luffing-Jib Tower Crane L250-20 With Counter Weight

 

Product Description

1. Electrical control system

With PLC control, the electrical control system enjoys better reliability and safety. Produced by professional manufacturers with advanced foreign technology, the electrical elements feature service lives that are 3 or 4 times longer than that of domestic products, less faults, easy maintenance and repair as well as reliable operation.

2. Technical features

• The crane boasts of multiple operation modes and wide application;
• The complete machine adopts internationally well-received beautiful shape;
• The crane features high working speed and excellent speed regulation performance. Stepless speed regulation by frequency control, the world's most advanced solution, is adopted for the trolleying mechanism and slewing mechanism, thus ensuring more stable and reliable operation ;• The cab is independently installed externally with good vision and large inner space, thus offering a good working environment for operators;
• A variety of safety devices are equipped, which are all mechanical or mechatronic products that are applicable to severe working conditions, so as to ensure the tower crane's reliable operation.

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Product Parameters

Rated liftingmoment (t.m)		250
Max. lifting    height (m)		Free-standing    stationary crane					52.85
		Anchored crane					165.35
Working radius    (m)		Max. working    radius					60
		Min. working    radius					3.3
Max. lifting    capacity (t)		20
Hoisting    mechanism	Rope    fall	α=2				α=4
	Speed (m/min)	0~40	0~80	0~100		0~20		0~40	0~50
	Lifting weight    (t)	10	5	2.5		20		10	5
	Power (kW)	75
Slewing    mechanism		Speed (m/min)			0~0.61
		Power (kW)			2×7.5kW
Trolleying    mechanism		Speed (m/min)					2.2 (15°~85°)
		Power (kW)					45

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