Why Choose the ABB OT200KAUA3TZ 90kW 3-Pole IP65 Safety Switch?
The ABB OT200KAUA3TZ, manufacturer order number 1SCA022299R1400, is an industrial three-pole enclosed safety switch designed for manual load switching and electrical isolation. Part of ABB's metal enclosed load-break switch range, it provides a practical means of disconnecting machinery and electrical equipment from a three-phase power supply.
Specified with a 90 kW motor power classification, the OT200KAUA3TZ is intended for demanding industrial installations where a substantial enclosed isolation switch is required. Its three-pole configuration enables the three phase conductors to be switched together through one operating mechanism. The exact permissible switching duty must be assessed against the relevant ABB utilisation-category ratings, supply voltage and connected equipment.
The IP65 enclosure provides protection against dust ingress and water jets when correctly installed and sealed. This makes the switch suitable for many industrial environments where exposed electrical components would require additional protection. The OT200KAUA3TZ is particularly relevant to manufacturing facilities, machinery installations and plant maintenance applications requiring a dedicated, accessible isolation point.
Key Advantages
- 90 kW motor power classification as specified for this ABB model.
- Three-pole switching for simultaneous disconnection of three phase conductors.
- IP65 enclosure protection against dust and water jets.
- Enclosed safety switch construction for industrial electrical isolation.
- Manual load-break switching for appropriately rated electrical loads.
- Dedicated local isolation close to machinery and equipment.
- Metal enclosed product range suited to demanding industrial installations.
- Single operating mechanism for all three switched poles.
- Suitable for planned maintenance isolation when incorporated into approved safe working procedures.
- Flexible application across machinery, motor circuits and industrial plant.
- ABB OT switch-disconnector technology from an established electrical equipment manufacturer.
- Clearly identifiable manufacturer reference for ordering, replacement and maintenance records.
Key Features
- Manufacturer: ABB.
- Product model: OT200KAUA3TZ.
- Manufacturer order number: 1SCA022299R1400.
- ABB product group: 311019 – Metal Enclosed (Loadbreak).
- Product type: Enclosed safety switch / load-break switch disconnector.
- Number of switched poles: 3.
- Specified motor power: 90 kW.
- Ingress protection rating: IP65.
- Operating function: Manual switching and disconnection.
- Electrical application: Three-phase low-voltage installations.
- Enclosure category: Metal enclosed.
- Switching duty: Subject to the manufacturer's voltage-dependent and utilisation-category ratings.
- Installation purpose: Machinery isolation and industrial electrical switching.
- Manufacturer identification: ABB OT200KAUA3TZ / 1SCA022299R1400.
Technical Specifications
- Brand: ABB
- Order code: OT200KAUA3TZ
- Manufacturer article number: 1SCA022299R1400
- Product group: 311019 – Metal Enclosed (Loadbreak)
- Product description: 90 kW IP65 3-pole safety switch
- Product family: ABB OT enclosed switch disconnectors
- Number of poles: 3
- Specified motor power: 90 kW
- Degree of protection: IP65
- Enclosure classification: Metal enclosed
- Switching method: Manual
- Switch type: Load-break switch disconnector
- Intended electrical system: Three-phase AC
- Primary application: Industrial electrical isolation
- Rated operational current: Verify against the exact ABB OT200KAUA3TZ technical datasheet for the required utilisation category and voltage
- Rated operational motor power at individual voltages: Verify against the exact ABB datasheet; 90 kW is the supplied product classification
- Handle colour and configuration: Refer to the exact manufacturer's product documentation
- Cable-entry arrangement: Refer to the exact manufacturer's product documentation
- Auxiliary contact configuration: Refer to the exact manufacturer's product documentation
- Enclosure dimensions and weight: Refer to the exact manufacturer's product documentation
- Installation requirements: Follow ABB instructions and applicable electrical installation standards
90kW Three-Phase Machinery Isolation with IP65 Protection
The ABB OT200KAUA3TZ is intended for installations where industrial machinery requires a dedicated means of manual electrical disconnection. Its three-pole mechanism operates the three phase conductors together, helping installers establish a clear isolation arrangement for appropriately designed motor and machinery circuits.
The 90 kW specification identifies the motor power classification supplied for this particular model. However, motor power alone does not establish whether a switch is suitable for every load. The correct selection must also consider supply voltage, full-load current, starting characteristics, frequency of switching and the relevant IEC utilisation category. AC-23 duties, for example, involve motor and other highly inductive loads and can impose different requirements from predominantly resistive switching applications.
The IP65 protection rating makes the enclosed switch suitable for environments where dust and moisture exposure are important design considerations. IP65 denotes a dust-tight enclosure with protection against water jets; it does not indicate suitability for immersion or guarantee resistance to every chemical or outdoor exposure condition. The rating must be maintained through correct installation and suitable cable-entry sealing.
As a metal enclosed load-break switch, the OT200KAUA3TZ provides an industrial alternative to lighter-duty isolation arrangements. It can be installed as part of a properly engineered electrical distribution or motor-control system, with the exact mounting arrangement, cable entries and conductor terminations selected according to the manufacturer's instructions.
The OT200KAUA3TZ should not be treated as a substitute for an overload relay, fuse or circuit breaker. A switch disconnector performs switching and isolation functions but requires appropriate external overcurrent protection. Before maintenance, personnel must follow the relevant lockout and safe-isolation procedures, including proving that the circuit is de-energised.
Typical Applications
- Industrial three-phase machinery isolation.
- 90 kW-class motor installations, subject to verification of electrical ratings.
- Manufacturing and production machinery.
- Industrial pump installations.
- Ventilation fans and mechanical plant.
- Conveyor and material handling systems.
- Industrial compressors and associated equipment.
- Processing and packaging machinery.
- Industrial electrical distribution systems.
- OEM machinery and plant engineering.
- Maintenance isolation points in factories and workshops.
- Installations requiring a three-pole IP65 metal enclosed safety switch.
