WOLFF-Boost
With the WOLFF-Boost function, the load is allowed to exceed the load torque range specified for the lifting capacities by up to 10%. This is, however, subject to the restriction that hoisting gear and trolley gear must only be moved alternatingly.
WOLFF 1250 B US
Technical information
Norms | EN 14439 |
Max. load capacity | 60.0 (132280 lb) |
Max. jib radius | 80.0 (263′) |
Rope falls | 1 | 2 | 3 |
Power requirements
Hoisting gear: | ||
---|---|---|
Type | 40132 FU | |
Power | kW | 132 |
Current | A | 242 |
Luffing gear: | ||
Type | 16110 | |
Power | kW | 110 |
Current | A | 200 |
Crane: | ||
Operating current | A | 289 |
Peak current | A | 381 |
Supply line: | ||
Cross Section A | mm² | 120 | 185 |
Max. fuse | A | 350 |
Max. length S2 + S3 | m | 235 | 363 |
Connected power | kVA | 241 |
min. required generator power | kVA | 603 |
Description
40 m (131′) basic jib, extensions up to 80 m (263′) in 5 m (16′) steps, tower top with access, slewing frame with cabin, two slewing gears, ball race bearing with central lubrication unit and slip ring system. Counter jib with hoist and luffing winch, switch cabinet and counterweights.
Drive Technique
All drives with frequency controlled squirrel cage motors, fully terminal protected. Hoisting winch Hw 40132 FU, slewing drive with electrically operated weathervaning device. Automatic wind force compensation controls. Luffing winch
Ew 16110 FU.
Electrical Equipment
Multivoltage equipment for supplies of 480 V Y / 277 V 60 Hz. Electronic safety crane controls with bus technology. Incremental absolute encoders for all operating movements. Electronic load measuring device. Multilingual graphic display showing information to operator, both operational and diagnostics.
Safety Devices
Crane is complete with electronic overload protection system. Increased load moment limitation due to automatic hoist speed reduction. Menu guided setting of overload protection system and of all limiters from operator’s cabin. Working space limiter, anti-collision interface. Electonic controlled level luffing.
In series with
Teleservice module and wind indicator.
Tower Elements, Climbing Device
Tower configuration with WOLFF system tower element TV 33. Hydraulic WOLFF system climbing device KWH 33.
Undercarriage UW, Crossframe KRE
As travelling version on WOLFF system undercarriage UW 4120 with gauge of 12.0 m (39′). For stationary installations on KRE 4120 (Base 12 x 12 m (39′ x 39′)). KRE element can be modified to UW. Alternative on foundation anchors typ G 33-2000.
Power Requirements and hook paths (Slewing part)
241 kVA, hook path for 400 m (1312′) tower height in 2-fall operation.