Compare MotoSuiveur®
MotoSuiveur® vs. the competition
Why secure your hoist with MotoSuiveur®? Discover how it compares to other solutions on the market.
Basic Open Chain hoist
MotoSuiveur®-secured hoist
Safety Design Measures
Very Limited Safeguards
Motor service brake
Inherently Safe Design
Positive Mechanical Action at the Drum, Safety Decoupled from Operation
Benefits
✓ ✓ ✓ Instant arrest,
Shortest arrest distance
Shortest arrest distance
✓ ✓ ✓ Solves human error
✓ ✓ ✓ Overload protection
✓ ✓ ✓ Safe load recovery
✓ ✓ ✓ Compact, Sealed
✓ ✓ ✓ Retrofittable
✓ ✓ ✓ No wear parts
Drawbacks
Electrical Failure
Load drop
20 - 50 mm
load arrest distance
load arrest distance
Mechanical Failure
Load drop
20 - 50 mm
load arrest distance
load arrest distance
Load Snagging
Load drop
✓ Torque limiter
Two-blocking
Load drop
✓ Torque limiter
Overspeed
✕
✓ Intrinsic passive function
Load Drift
✕
✓ Intrinsic passive function
Rupture Detection
✕
✓ Intrinsic passive function
Overload Detection
✕
✓ Intrinsic passive function, 0 delay
Mechanical Reliability
Possible failure, a brake may remain open
✓ Impossible failure (positive action)
Braking Torque
Depends on many factors and the environment
Stable, impervious to the environment
Brake-Controlled Gravity Lowering
Significant risks
✓ Simple and safe
Recovery Operation
✕
✓ Always possible, Remote operation
Testing
No (Basic verifications)
✓ Simple and safe
Wear Parts
Linings, discs
✓ No wear parts
Dimensions & Mass
Purchase Price
Total Cost of Ownership
Open chain hoist with safety brake
MotoSuiveur®-secured hoist
Safety Design Measures
Safeguards
Mechanical load brakes, Redundant braking systems, Overload protection devices, Limit switches
Inherently Safe Design
Positive Mechanical Action at the Drum, Safety Decoupled from Operation
Benefits
✓ ✓ ✓ Relatively compact
✓ ✓ ✓ Retrofittable (under conditions)
✓ ✓ ✓ Instant arrest,
Shortest arrest distance
Shortest arrest distance
✓ ✓ ✓ Solves human error
✓ ✓ ✓ Overload protection
✓ ✓ ✓ Safe load recovery
✓ ✓ ✓ Compact, Sealed
✓ ✓ ✓ Retrofittable
✓ ✓ ✓ No wear parts
Drawbacks
✕ Uncertain state of the brake, may not close properly
✕ Highly susceptible to wear and the environment
✕ May create severe overstress, fatigue
✕ Safety depends on complex electronics, maintenance
✕ ~2 meters low-approach zone
Electrical Failure
150 - 300 mm
load arrest distance
load arrest distance
20 - 50 mm
load arrest distance
load arrest distance
Mechanical Failure
500 - 2000 mm
load arrest distance
load arrest distance
20 - 50 mm
load arrest distance
load arrest distance
Load Snagging
Load Cell and electronic detection of the overload
✓ Torque limiter
Two-blocking
Switch overtravel for Upper-Limit Switch
✓ Torque limiter
Overspeed
Electronic measurement and detection
✓ Intrinsic passive function
Load Drift
Electronic measurement and detection
✓ Intrinsic passive function
Rupture Detection
~ Numerous encoders,
Complex electronics (SIL, PL),
Demanding maintenance
Complex electronics (SIL, PL),
Demanding maintenance
✓ Intrinsic passive function
Overload Detection
~ Electronic system, reaction time
✓ Intrinsic passive function, 0 delay
Mechanical Reliability
Possible failure, a brake may remain open
✓ Impossible failure (positive action)
Braking Torque
Depends on many factors and the environment
Stable, impervious to the environment
Brake-Controlled Gravity Lowering
Complex operation, significant risks
✓ Simple and safe
Recovery Operation
Impossible in case of breakage
✓ Always possible, Remote operation
Testing
Difficult to ensure the proper functioning of securities
✓ Simple and safe
Wear Parts
Linings, discs
✓ No wear parts
Dimensions & Mass
Purchase Price
Total Cost of Ownership
Closed hoist or redundant chain
MotoSuiveur®-secured hoist
Safety Design Measures
Safeguards
Partially Inherently Safe Design
Dual load paths, Redundant braking systems, Multiple limit switches and overload detection
Inherently Safe Design
Positive Mechanical Action at the Drum, Safety Decoupled from Operation
Benefits
✓ ✓ ✓ Single failure proof
✓ ✓ ✓ Short arrest distances thanks to important inertia
✓ ✓ ✓ Load recovery possible
✓ ✓ ✓ Instant arrest,
Shortest arrest distance
Shortest arrest distance
✓ ✓ ✓ Solves human error
✓ ✓ ✓ Overload protection
✓ ✓ ✓ Safe load recovery
✓ ✓ ✓ Compact, Sealed
✓ ✓ ✓ Retrofittable
✓ ✓ ✓ No wear parts
Drawbacks
✕ Common failure modes of 2 identical transmissions
✕ Congestion, weight
✕ Not retrofittable
✕ Price
Electrical Failure
100 - 200 mm
load arrest distance
load arrest distance
20 - 50 mm
load arrest distance
load arrest distance
Mechanical Failure
30 - 60 mm
load arrest distance
load arrest distance
20 - 50 mm
load arrest distance
load arrest distance
Load Snagging
Load Cell and electronic detection of the overload
✓ Torque limiter
Two-blocking
Switch overtravel for Upper-Limit Switch
✓ Torque limiter
Overspeed
~ Electronic measurement and detection
✓ Intrinsic passive function
Load Drift
~ Electronic measurement and detection
✓ Intrinsic passive function
Rupture Detection
~ Numerous encoders,
Complex electronics (SIL, PL),
Demanding maintenance
Complex electronics (SIL, PL),
Demanding maintenance
✓ Intrinsic passive function
Overload Detection
~ Electronic system, reaction time
✓ Intrinsic passive function, 0 delay
Mechanical Reliability
Possible failure, a brake may remain open
✓ Mitigated by brake redundancy
✓ Mitigated by brake redundancy
✓ Impossible failure (positive action)
Braking Torque
Depends on many factors and the environment
Stable, impervious to the environment
Brake-Controlled Gravity Lowering
✕ Complex operation, significant risks
✓ Simple and safe
Recovery Operation
✓ Always possible
✓ Always possible, Remote operation
Testing
Difficult to ensure the proper functioning of securities
✓ Simple and safe
Wear Parts
Linings, discs
✓ No wear parts
Dimensions & Mass
Purchase Price
Total Cost of Ownership