Why Choose the ABB OTP63BA6M 18.5kW 6-Pole IP65 Enclosed Safety Switch?
The ABB OTP63BA6M (1SCA022401R7260) is a robust 6-pole, IP65 plastic enclosed switch-disconnector designed for dependable manual switching and electrical isolation in industrial machinery, motor installations and low-voltage power distribution systems. Part of the ABB OTP enclosed switch range, it combines a durable grey enclosure, six main switching poles and a highly visible red and yellow operating handle in one complete assembly.
The OTP63BA6M is identified in the supplied product specification as an 18.5 kW, 6-pole safety switch. ABB's published technical ratings specify 18.5 kW at 690 V AC and 37 kW at 380–415 V AC under AC-23A conditions. Its corresponding operational current ratings are 20 A at 690 V AC and 63 A at 380–415 V AC, allowing the correct switching capability to be selected according to the supply voltage and connected load.
Featuring an IP65-rated glass-reinforced polycarbonate enclosure, an 80 A conventional enclosed thermal current rating and a red and yellow padlockable pistol-grip handle, the OTP63BA6M is suitable for demanding industrial environments. It includes an interlocked cover, fixed neutral and protective earth terminals, and metric cable-entry knockouts for practical electrical installation.
Key Advantages
- 6-pole enclosed switch-disconnector for simultaneous manual switching of multiple electrical conductors.
- 18.5 kW AC-23A motor switching capability at 690 V AC.
- 37 kW AC-23A motor switching capability at 380–415 V AC.
- 63 A AC-23A operational current rating at 380–415 V AC.
- 63 A AC-22A operational current rating for suitable mixed resistive and inductive loads.
- 80 A conventional enclosed thermal current under specified operating conditions.
- IP65 enclosure protection against dust ingress and water jets when correctly installed.
- Rigid glass-reinforced polycarbonate construction provides durable mechanical protection.
- UV-protected enclosure supports appropriately designed indoor and outdoor installations.
- Red and yellow pistol-grip handle provides clear ON/OFF identification.
- Padlockable handle accommodating up to three padlocks supports controlled maintenance isolation.
- Interlocked enclosure cover helps restrict normal access while the switch is ON.
- Defeatable interlocking facility permits authorised access in accordance with ABB's instructions.
- Fixed neutral and protective earth terminals support suitable electrical connection arrangements.
- Top and bottom metric cable-entry knockouts provide flexible cable routing.
- Complete enclosed assembly simplifies installation compared with separately selecting a switch, enclosure and handle.
Key Features
- ABB OTP63BA6M enclosed safety switch-disconnector.
- ABB manufacturer part number: 1SCA022401R7260.
- ABB order code: OTP63BA6M.
- Product series: ABB OTP.
- Number of main poles: 6.
- Rated operational current AC-23A: 63 A at 380–415 V AC.
- Rated operational current AC-23A: 45 A at 500 V AC.
- Rated operational current AC-23A: 20 A at 690 V AC.
- Rated operational current AC-22A: 63 A at 380–415 V AC.
- Rated operational power AC-23A: 37 kW at 380–415 V AC.
- Rated operational power AC-23A: 18.5 kW at 690 V AC.
- Conventional thermal current: 80 A, fully enclosed.
- Rated insulation voltage: 750 V.
- Enclosure material: Glass-reinforced polycarbonate.
- Enclosure colour: Grey.
- Ingress protection: IP65.
- Operating handle: Red and yellow pistol grip.
- Operating positions: I–O / ON–OFF.
- Handle padlocking: Up to three padlocks.
- Cover interlock: Included with defeatable interlocking.
- Auxiliary contacts supplied: None.
- Maximum auxiliary contact configuration: 2 NO + 2 NC.
- Neutral arrangement: Fixed neutral terminal.
- Protective earth terminals: Included.
- Cable-entry knockouts: 2 × M32 + M16 at the top and bottom.
- Enclosure dimensions: 200 × 145 × 90 mm.
- Product net weight: Approximately 1.5 kg.
Technical Specifications
- Manufacturer: ABB
- Series: OTP Plastic Enclosed Switches
- Model: OTP63BA6M
- Manufacturer part number: 1SCA022401R7260
- ABB order code: OTP63BA6M
- ABB product group: 311004 – Plastic Enclosed Switches (OTP)
- Product type: Enclosed switch-disconnector / safety switch
- Number of poles: 6
- Rated operational current AC-21A at 380–415 V: 80 A
- Rated operational current AC-21A at 500 V: 80 A
- Rated operational current AC-21A at 690 V: 80 A
- Rated operational current AC-22A at 380–415 V: 63 A
- Rated operational current AC-22A at 690 V: 63 A
- Rated operational current AC-23A at 380–415 V: 63 A
- Rated operational current AC-23A at 500 V: 45 A
- Rated operational current AC-23A at 690 V: 20 A
- Rated operational power AC-23A at 380–415 V: 37 kW
- Rated operational power AC-23A at 500 V: 37 kW
- Rated operational power AC-23A at 690 V: 18.5 kW
- Conventional thermal current, fully enclosed: 80 A
- Rated operational voltage, main circuit: 750 V
- Rated insulation voltage: 750 V
- Rated impulse withstand voltage: 1.5 kV
- Rated short-time withstand current: 1 kA for 1 s
- Rated short-circuit making capacity: 1.4 kA at 690 V AC
- Power loss at rated operating conditions: 4.5 W per pole
- Enclosure material: Glass-reinforced polycarbonate
- Enclosure colour: Grey
- Enclosure protection rating: IP65
- Enclosure UV protection: Yes
- Handle type: Pistol-grip rotary handle
- Handle colour: Red / yellow
- Handle padlocking: Up to 3 padlocks
- Operating position indication: I–O / ON–OFF
- Cover interlock: Included
- Defeatable cover interlock: Included
- Auxiliary contacts fitted: 0 NO, 0 NC
- Maximum mounted auxiliary contacts: 2 NO + 2 NC
- Neutral type: Fixed neutral
- Protective earth terminal: Included
- Main terminal type: Screw clamp
- Main conductor connection capacity: 1.5–35 mm²
- Cable-entry positions: Top and bottom
- Cable-entry knockouts: 2 × M32 + M16 per side
- Cable glands: Ordered separately
- Enclosure height: 200 mm
- Enclosure width: 145 mm
- Enclosure depth: 90 mm
- Dimensions (H × W × D): 200 × 145 × 90 mm
- Product net weight: 1.5 kg
- Package gross weight: Approximately 1.6 kg
- Pollution degree: 3
- Applicable standards: IEC 60947-1 and IEC 60947-3
- Country of origin: Finland
Reliable Six-Pole Electrical Isolation for Industrial Machinery and Motor Systems
The ABB OTP63BA6M provides a practical solution for installations requiring simultaneous manual switching of six electrical conductors. Its six-pole configuration offers greater switching flexibility than conventional three-pole isolators, allowing multiple conductors to be disconnected through a single mechanical operating mechanism.
For industrial motor applications, ABB specifies a 37 kW AC-23A motor switching rating at 380–415 V AC, with a corresponding operational current of 63 A. At 690 V AC, the rated motor switching power is 18.5 kW, with a corresponding AC-23A operational current of 20 A. These ratings demonstrate the importance of selecting the switch according to the actual operating voltage and utilisation category.
The red and yellow pistol-grip handle provides a highly visible external operating point with clear ON/OFF indication. The handle can accommodate up to three padlocks, supporting controlled electrical isolation and maintenance procedures. Its interlocked enclosure cover helps restrict normal access to the internal switching mechanism while the switch is in the ON position.
The OTP63BA6M also incorporates a defeatable cover interlocking facility for authorised access where permitted by the manufacturer's instructions. This can support specialist inspection procedures, but it must only be used by suitably qualified personnel following the applicable electrical safety requirements.
The IP65 glass-reinforced polycarbonate enclosure is designed to withstand industrial operating conditions while providing protection against dust ingress and low-pressure water jets. Its UV-protected construction supports suitably designed indoor and outdoor installations. The enclosure incorporates top and bottom cable-entry knockouts for two parallel power cables and one control cable, subject to the selected cable glands and wiring arrangement.
For electrical integration, the OTP63BA6M includes a fixed neutral terminal and protective earth terminal. The neutral terminal is separate from the six main switching poles. No auxiliary contacts are fitted as standard, but the switch supports compatible auxiliary contact accessories up to the specified maximum of 2 normally open and 2 normally closed contacts.
The OTP63BA6M is a manual switch-disconnector rather than an automatic circuit breaker or motor overload relay. It does not independently provide automatic overload or short-circuit tripping. The complete installation must include appropriately selected protective devices, conductor sizing, earthing arrangements and safe isolation procedures.
Typical Applications
- Six-pole electrical isolation: Providing simultaneous switching of multiple conductors in suitably engineered electrical systems.
- Industrial motor installations: Providing manual isolation for appropriately rated motor circuits.
- Machinery main switches: Serving as an enclosed supply switching device for industrial equipment.
- Maintenance isolation: Supporting controlled disconnection before electrical servicing.
- Manufacturing machinery: Providing local switching for production and processing equipment.
- Industrial power distribution: Supporting manual switching of suitable low-voltage circuits.
- Pumping installations: Providing isolation for compatible pump motor supplies.
- Ventilation and HVAC equipment: Supporting local electrical isolation of appropriately rated mechanical plant.
- Conveyor systems: Providing manual switching for suitable motor-driven material handling equipment.
- Multi-conductor installations: Supporting applications requiring more than three simultaneously operated switching poles.
- OEM machinery: Integrating a complete six-pole enclosed switch-disconnector into industrial equipment.
- Industrial equipment upgrades: Replacing compatible enclosed switches where the electrical and mechanical specifications match.
