Otis Brake Magnet

Otis DAA234J1
Otis Brake Magnet
Electromagnetic brake DAA234J1
GDS100K2 Otis lift genuine original

Brake Force: 2*680N
Drop time:160-240ms
Insulation Class:F
Operating Factor:S1
IP level:IP65
Stroke:2.5~3mm
Weight:9KG

About otis elevator and escalator parts

To order otis elevator and escalator parts, send the exact model or reference code printed on the original component to [email protected]. Please quote the complete code including any suffix so that our team can confirm the correct variant, current stock and lead time before you commit.

What we supply for otis

Elevator and escalator installations are built around a relatively small number of serviceable assemblies, but they fail at very different rates. We stock otis parts covering the items that fail most often in daily service. In practice the failures we see on otis elevator and escalator parts come down to glazed or oil-contaminated linings, weak coils, worn pivot bushes, and spring sets that have lost their rated tension.

All otis parts we supply are inspected before dispatch. Each unit is checked for physical damage, correct marking and the specific wear or degradation patterns that matter for this class of component, then packed to survive international transit. Where a superseded revision is the only one available, we say so plainly and explain the substitution, so the installing engineer can make an informed decision rather than discovering the difference on site.

Buying guidance and compatibility notes

Before ordering otis elevator and escalator parts, confirm three things. First, the brake model, the drum or disc diameter, and the rated torque shown on the original rating plate. Second, brake units are often shared between a traction machine and its close relatives, but the lining grade can differ with the duty rating. Third, whether the installation is a traction lift or an escalator, since duty cycle and loading differ between the two.

On fitting, one point is worth repeating: brake springs and linings should always be replaced as a matched set, and the air gap re-measured to the manufacturer figure afterwards. Almost every repeat failure we see on otis elevator and escalator parts traces back to a related component that was left in place, or to an adjustment that was assumed rather than measured.

A brake is a safety device before it is a machine component, and it should be treated that way. Lining thickness, spring tension and air gap all have defined limits, and a brake that is adjusted beyond them may still hold the car while no longer meeting the standard it was certified against.

When a customer reports a rhythmic noise from the machine that varies with load, our first question is about a drum or disc that has gone out of round and is now wearing the lining unevenly rather than about the electronics.

Drum and disc condition is inseparable from lining condition. A drum that has scored or gone out of round will destroy a new lining within weeks, so the running surface should be measured and, if necessary, re-machined as part of the same job rather than postponed to a later visit.

Braking equipment sits at the boundary between routine maintenance and statutory inspection, and the symptom that most often brings an engineer to it is a car that drifts a few centimetres before holding at a floor.

Emergency braking and the governor are tested far less often than they are relied upon. The wedge and guide-rail surfaces must be clean and dry for the safety gear to develop its rated grip, and a film of oil on a guide rail quietly compromises a device that will only ever be called on once.

If the installation is showing a brake that is slow to release and causes the drive to strain at start-up, the identification route is straightforward: the brake model, the drum or disc diameter and the rated torque on the rating plate are what identify the correct assembly.

A brake is a safety device before it is a machine component, and it should be treated that way. Lining thickness, spring tension and air gap all have defined limits, and a brake that is adjusted beyond them may still hold the car while no longer meeting the standard it was certified against.

When a customer reports a rhythmic noise from the machine that varies with load, our first question is about a drum or disc that has gone out of round and is now wearing the lining unevenly rather than about the electronics.

Drum and disc condition is inseparable from lining condition. A drum that has scored or gone out of round will destroy a new lining within weeks, so the running surface should be measured and, if necessary, re-machined as part of the same job rather than postponed to a later visit.

Braking equipment sits at the boundary between routine maintenance and statutory inspection, and the symptom that most often brings an engineer to it is a car that drifts a few centimetres before holding at a floor.

If you are unsure which variant of the otis elevator and escalator parts you need, send a photograph of the nameplate and the existing component alongside a description of the fault. That is usually enough for our team to identify the correct replacement without a site visit, and it avoids the cost and delay of returning an incompatible part. We are also happy to advise on the other serviceable items in the same brake / safety gear group, so a planned shutdown can cover several wear items at once.

Related parts and further reading

Because otis elevator and escalator parts is only one item in the brake / safety gear group, these related pages may help you plan the work:

• Elevator brake linings
• Escalator Brake Lining
• Elevator Limit Switch
• Elevator Load Weighing Device
• Elevator Guide Shoe

Reference sources

The compatibility information on this page was cross-checked against the following authoritative references. Always confirm the exact reference against your own equipment nameplate.

• ISO 8100-1 — lift safety standard
• Otis genuine brake & safety components
• Schindler brake systems