ABB OT630KLCC3TZ 630A 3-Pole IP65 Enclosed Safety Switch with Top and Bottom C-Flange Cable Entries
The ABB OT630KLCC3TZ is a heavy-duty 630 A, three-pole enclosed safety switch-disconnector designed for dependable electrical switching and isolation in industrial and commercial low-voltage installations. Featuring an IP65-rated enclosure and top and bottom C-flange cable-entry arrangements, this ABB safety switch provides a robust solution for high-current machinery supplies, electrical distribution systems and maintenance isolation applications.
Identified by ABB manufacturer reference 1SCA022340R2390, the OT630KLCC3TZ belongs to ABB's established OT enclosed switch-disconnector family and is classified within the 311019-Metal Enclosed (Loadbreak) product group.
Its three-pole switching configuration enables coordinated disconnection of three phase conductors, making it suitable for appropriately designed three-phase electrical systems. The 630 A current designation supports applications requiring substantial switching and isolation capacity, subject to the manufacturer's applicable operational ratings.
The top and bottom C-flange entry configuration provides flexibility when routing power cables into and out of the enclosure. Combined with IP65 ingress protection, this makes the OT630KLCC3TZ particularly useful in industrial installations where cable accessibility and environmental protection are important.
Key Advantages
- 630 A current rating for heavy-duty industrial switching and isolation applications.
- Three-pole (3P) configuration for simultaneous switching of three phase conductors.
- IP65 enclosure protection against dust ingress and water jets.
- Top and bottom C-flange cable entries for flexible power cable routing.
- Enclosed construction protects the switching mechanism from environmental exposure.
- Suitable for high-current three-phase electrical distribution applications.
- Supports controlled isolation during machinery maintenance and servicing.
- Manual switching operation without dependence on an electronic controller.
- Practical cable-entry arrangement for installations with incoming and outgoing power cables.
- Suitable for industrial machinery, plant equipment and electrical distribution systems.
- Part of ABB's established OT switch-disconnector family.
- ABB manufacturer identification supports accurate specification and replacement.
Key Features
- ABB OT enclosed safety switch-disconnector.
- OT630KLCC3TZ model designation.
- 630 A specified current rating.
- Three main switching poles.
- Manual loadbreak switching and electrical isolation.
- IP65 ingress protection.
- Enclosed industrial construction.
- Top C-flange cable entry.
- Bottom C-flange cable entry.
- Three-phase electrical switching capability.
- Manual ON/OFF operation.
- Suitable for fixed industrial electrical installations.
- ABB manufacturer reference 1SCA022340R2390.
- ABB Metal Enclosed (Loadbreak) product classification.
Technical Specifications
- Manufacturer: ABB
- Product family: OT Enclosed Safety Switches
- Model: OT630KLCC3TZ
- ABB order code: OT630KLCC3TZ
- ABB manufacturer reference: 1SCA022340R2390
- Product description: 630A 3P enc sfty sw T+B C flng IP65
- Product group: 311019-Metal Enclosed (Loadbreak)
- Product type: Enclosed safety switch-disconnector
- Rated current designation: 630 A
- Number of poles: 3
- Pole configuration: 3P
- Switching function: Manual loadbreak switching and isolation
- Operating method: Manual
- Operating positions: ON/OFF
- Ingress protection: IP65
- Enclosure configuration: Enclosed
- Cable-entry type: C-flange
- Top cable entry: C-flange arrangement
- Bottom cable entry: C-flange arrangement
- Cable-entry locations: Top and bottom
- Typical electrical system: Three-phase low-voltage distribution
- Installation type: Fixed electrical installation
- Application: Industrial electrical switching and maintenance isolation
- Relevant product family standard: IEC/EN 60947-3
Heavy-Duty 630A Three-Pole Electrical Isolation
The ABB OT630KLCC3TZ is designed to provide a dedicated manual switching and isolation point for high-current electrical equipment. Its 630 A current designation makes it suitable for consideration in demanding industrial installations, provided the relevant operational ratings match the connected load.
The three-pole switching mechanism allows coordinated disconnection of three phase conductors. This arrangement is commonly used in industrial machinery supplies, three-phase distribution circuits and electrical plant installations.
Manual switch-disconnectors provide a clearly defined means of separating electrical equipment from its supply. This is important during inspection, maintenance, repair and equipment replacement.
The OT630KLCC3TZ belongs to ABB's OT switch-disconnector family, designed for low-voltage electrical switching and isolation applications.
Final equipment selection must consider the manufacturer's rated operational current, operating voltage, utilisation category, load characteristics and short-circuit coordination requirements.
Important: The 630 A designation identifies the specified product rating, but it should not be interpreted as confirmation of every operational current or motor switching rating under all voltage and utilisation conditions.
IP65 Enclosure Protection for Industrial Environments
The OT630KLCC3TZ features an IP65-rated enclosure, providing environmental protection for the enclosed switching mechanism.
The IP65 ingress protection classification provides:
- IP6X: Dust-tight protection against the ingress of dust.
- IPX5: Protection against water jets from any direction.
This protection level makes the switch suitable for consideration in industrial environments where airborne dust, moisture and routine water exposure may be present.
IP65 protection is particularly useful for manufacturing facilities, processing equipment, industrial plant rooms and appropriately designed outdoor electrical installations.
The final installation must preserve the specified enclosure rating through correct mounting, cable-entry sealing and suitable accessories.
Although IP65 provides substantial environmental protection, it does not establish suitability for immersion, high-pressure cleaning, corrosive atmospheres or all outdoor conditions.
Top and Bottom C-Flange Cable-Entry Configuration
A defining feature of the ABB OT630KLCC3TZ is its top and bottom C-flange cable-entry arrangement.
This configuration provides designated cable-entry locations at both ends of the enclosure, supporting installations where incoming and outgoing power cables approach from different directions.
Top and bottom entries can be particularly useful in electrical distribution systems with overhead cable routes, floor-level cable ducts, cable ladders or vertical trunking arrangements.
The C-flange configuration allows the cable-entry arrangement to be integrated into an appropriately engineered installation using suitable compatible components.
For high-current circuits, correct cable-entry design is important because larger conductors may require substantial space for cable bending, mechanical support and termination.
Installers must select compatible C-flange accessories, glands, seals and cable-management components according to the manufacturer's installation instructions.
Maintaining IP65 protection is essential. Any cable-entry modifications or accessories must preserve the enclosure's specified environmental protection.
Manual Safety Switching and Maintenance Isolation
The OT630KLCC3TZ provides manual ON/OFF switching for appropriate industrial electrical circuits.
A dedicated enclosed safety switch-disconnector allows electrical equipment to be isolated before maintenance, servicing or inspection.
The three-pole arrangement supports coordinated disconnection of three phase conductors. Any neutral conductor and protective earth arrangements must be addressed separately according to the electrical installation design.
Safe maintenance procedures should include identifying the correct isolation point, preventing unintended re-energisation and verifying the absence of voltage before work begins.
Where a padlockable handle or particular interlocking arrangement is required, the exact supplied configuration should be confirmed against the manufacturer's documentation for the OT630KLCC3TZ.
The switch-disconnector is not an automatic circuit breaker and does not independently provide overload or short-circuit protection. Suitable protective devices must be incorporated into the installation.
Typical Applications
- Heavy-duty industrial electrical isolation.
- Three-phase machinery supply switching.
- High-current electrical distribution systems.
- Manufacturing and processing facilities.
- Industrial plant and machinery installations.
- Industrial pumping and ventilation equipment.
- Conveyor and material handling systems.
- Commercial and industrial building services.
- Electrical distribution and sub-distribution installations.
- Industrial maintenance isolation points.
- Installations requiring top and bottom cable access.
- Electrical systems requiring IP65 enclosure protection.
- OEM machinery and electrical engineering projects.
- Applications requiring a 630 A three-pole enclosed safety switch with C-flange cable entries.