Why Choose the ABB OT630KFCC3B 630 A 3-Pole IP65 Enclosed Switch Disconnector?
The ABB OT630KFCC3B is a 630 A frame, 3-pole enclosed switch disconnector designed for manual electrical isolation and load-break switching in industrial and commercial low-voltage installations. Part of ABB's established OT switch-disconnector range, it combines a high-capacity switching mechanism with a robust protective enclosure, making it suitable for machinery isolation, motor control and electrical distribution applications.
Featuring an IP65-rated grey plastic enclosure, a black pistol-grip operating handle and top and bottom cable entry provisions, the OT630KFCC3B provides a practical solution for installations requiring dependable local isolation. Its enclosure incorporates a cover interlock, a defeatable interlock function and provisions for compatible auxiliary contacts.
Although identified as a 630 A frame switch, ABB specifies an AC-23A operational current of 570 A for this model at 415 V AC and 690 V AC. Its corresponding AC-23A motor switching capacities are 315 kW at 415 V AC and 560 kW at 690 V AC. Identified by ABB manufacturer product ID 1SCA022278R3980, the unit offers a substantial enclosed switching solution for appropriately rated industrial electrical systems.
Key Advantages
- 630 A frame size for higher-current industrial switching applications.
- 570 A AC-23A operational current at 415 V AC and 690 V AC.
- 3-pole configuration for simultaneous switching of three phase conductors.
- IP65-rated enclosure provides dust-tight protection and resistance to low-pressure water jets.
- Robust plastic enclosure offers a practical alternative to metal enclosed switching equipment.
- Black pistol-grip operating handle provides clear manual ON/OFF control.
- Padlockable isolation arrangement supports controlled maintenance procedures.
- Cover interlock helps restrict access to internal components during normal operation.
- Defeatable interlock function supports authorised inspection and servicing.
- Top and bottom cable entries provide flexibility for electrical installation.
- Two size-II flange positions per side support cable entry planning.
- Neutral and protective earth terminals included for installation connections.
- Auxiliary contact expansion capability supports compatible status indication and control circuits.
- 315 kW AC-23A motor switching capacity at 415 V AC.
- 560 kW AC-23A motor switching capacity at 690 V AC.
Key Features
- ABB OT630KFCC3B enclosed switch disconnector.
- 630 A frame designation.
- 3-pole main switching configuration.
- IP65 enclosure protection rating.
- Grey plastic enclosure.
- Black pistol-grip operating handle.
- Manual I-O / ON-OFF operation.
- 570 A AC-21A operational current at 415 V AC and 690 V AC.
- 570 A AC-22A operational current at 415 V AC and 690 V AC.
- 570 A AC-23A operational current at 415 V AC and 690 V AC.
- 315 kW AC-23A motor switching power at 415 V AC.
- 560 kW AC-23A motor switching power at 690 V AC.
- Top and bottom cable entry arrangement.
- 2 × size-II flange positions per side.
- Interlocked enclosure cover with defeatable interlock function.
- Neutral and protective earth terminals included.
- No auxiliary contacts fitted as standard.
- Maximum auxiliary contact configuration: 2 NO + 1 NC.
- 760 × 560 × 250 mm enclosure dimensions.
- 20 kg catalogue weight.
Technical Specifications
- Manufacturer: ABB
- Series: OT Enclosed Switch-Disconnectors
- Model: OT630KFCC3B
- ABB order code: OT630KFCC3B
- ABB manufacturer product ID: 1SCA022278R3980
- Product group: 311019 – Metal Enclosed (Loadbreak)
- Product type: Enclosed switch disconnector
- Frame designation: 630 A
- Number of poles: 3
- Switching configuration: Three-pole
- Operating positions: I-O / ON-OFF
- Operating method: Manual
- Rated operational current AC-21A at 415 V AC: 570 A
- Rated operational current AC-21A at 690 V AC: 570 A
- Rated operational current AC-22A at 415 V AC: 570 A
- Rated operational current AC-22A at 690 V AC: 570 A
- Rated operational current AC-23A at 415 V AC: 570 A
- Rated operational current AC-23A at 690 V AC: 570 A
- AC-23A motor switching power at 415 V AC: 315 kW
- AC-23A motor switching power at 690 V AC: 560 kW
- Enclosure protection rating: IP65
- Enclosure material: Plastic
- Enclosure colour: Grey
- Operating handle: Black pistol-grip handle
- Handle locking: Padlockable
- Enclosure cover: Interlocked
- Interlock override: Defeatable interlock function
- Cable entry positions: Top and bottom
- Cable entry arrangement: 2 × size-II flange positions per side
- Neutral terminal: Included
- Protective earth terminal: Included
- Auxiliary contacts included: None
- Maximum auxiliary contacts: 2 NO + 1 NC
- Enclosure height: 760 mm
- Enclosure width: 560 mm
- Enclosure depth: 250 mm
- Dimensions (H × W × D): 760 × 560 × 250 mm
- Catalogue weight: 20 kg
- Mounting arrangement: Surface mounting
- Primary function: Electrical isolation and load-break switching
High-Capacity Electrical Isolation for Industrial Motor Control and Distribution
The ABB OT630KFCC3B provides a manually operated means of disconnecting compatible three-phase electrical equipment from its power supply. Enclosed switch-disconnectors are commonly installed close to industrial machinery or at designated electrical distribution points to provide a clearly identifiable local isolation device for inspection, maintenance and servicing.
Its 630 A frame designation makes it relevant to higher-current electrical installations. However, the frame designation must not be confused with the applicable operational current. ABB specifies 570 A for AC-23A switching at both 415 V AC and 690 V AC, so equipment selection must use the appropriate utilisation-category rating rather than relying solely on the model designation.
The switch provides 315 kW AC-23A motor switching capacity at 415 V AC and 560 kW at 690 V AC. These ratings make the OT630KFCC3B relevant to appropriately designed industrial motor applications, including machinery drives, pumps, ventilation systems and other inductive loads.
The IP65 plastic enclosure provides dust-tight protection and resistance to low-pressure water jets when correctly installed. Its black pistol-grip operating handle, cover interlock and defeatable interlock function support practical operation and authorised maintenance access.
Top and bottom cable entry provisions allow incoming and outgoing conductors to be routed according to the installation layout. The unit provides two size-II flange positions per side. Compatible cable entry flanges or compression glands must be selected separately where required, with correct installation essential to maintaining the specified IP65 protection.
Although no auxiliary contacts are fitted as standard, compatible accessories can provide up to 2 normally open and 1 normally closed auxiliary contacts for switching status indication or control circuit integration. These auxiliary contacts do not replace the main power isolation function.
Final selection must consider the electrical load, operating voltage, utilisation category, prospective short-circuit current, upstream protection, conductor sizing and applicable installation standards. A switch-disconnector does not provide the same automatic overcurrent protection as a circuit breaker or correctly selected fuse arrangement.
Typical Applications
- High-current industrial electrical isolation.
- Three-phase machinery supply disconnection.
- Industrial motor control and motor supply isolation.
- Manufacturing and production facilities.
- Industrial pumps and pumping installations.
- Large ventilation and extraction systems.
- Conveyor and material handling equipment.
- Industrial processing and production machinery.
- Electrical distribution and control equipment.
- Industrial automation installations.
- Machinery maintenance and servicing isolation points.
- OEM machinery requiring enclosed load-break switching.
- Commercial and industrial installations requiring IP65 protection.
- Applications requiring a three-pole enclosed switch disconnector with top and bottom cable entries.
