ABB 1SCA022115R6180 – Switch-Disconnector 250A 4-Pole | OT Series Low Voltage Platform
Engineering Background: The ABB OT series represents ABB’s flagship line of load-break switch-disconnectors engineered for safe isolation of electrical circuits in industrial and commercial power distribution systems. Designed to IEC 60947-3 standards, the OT range delivers reliable galvanic isolation with visible contact separation — a critical requirement for maintenance safety in MCC panels, motor control centers, and distribution boards.
Product Positioning: The ABB 1SCA022115R6180 is a 250A, 4-pole (4P) switch-disconnector from the OT series, purpose-built for main circuit isolation in low voltage switchgear assemblies up to 690V AC. It is the preferred choice for procurement engineers specifying safe, IEC-compliant isolation devices in industrial automation, energy distribution, and building management systems.
Complete Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / SKU | 1SCA022115R6180 |
| Brand | ABB |
| Series | OT (Switch-Disconnector) |
| Rated Current (Ie) | 250A |
| Number of Poles | 4P (4-Pole) |
| Rated Voltage (Ue) | Up to 690V AC / 250V DC |
| Utilization Category | AC-23A / AC-22A |
| Standard | IEC 60947-3 / EN 60947-3 |
| Mounting | DIN Rail / Panel Mount |
| Degree of Protection | IP20 (device), IP65 (with enclosure) |
| Operating Temperature | -25°C to +55°C |
| Mechanical Endurance | 20,000 operations |
| Electrical Endurance | 1,000 operations at Ie |
| Contact Visibility | Visible open position (galvanic isolation) |
| Weight | 3.1 kg |
| Compliance | CE, RoHS, REACH |
Proven Application Environments
- Motor Control Centers (MCC): Main isolator for motor feeders and starter panels
- Industrial Distribution Boards: Safe isolation of sub-circuits in factories and process plants
- Renewable Energy Systems: DC/AC isolation in solar inverter and battery storage installations
- Building Management Systems (BMS): Main switch for HVAC, lighting, and power distribution panels
- Marine & Offshore: Circuit isolation in harsh environment switchgear assemblies
- Data Centers: Maintenance isolation for critical power distribution units (PDU)
- Water & Wastewater Treatment: Pump and drive isolation in wet process environments
Engineering Advantages
- Visible Contact Gap: Provides positive confirmation of open position — mandatory for LOTO (Lockout/Tagout) procedures per IEC 60204-1
- 4-Pole Design: Simultaneous isolation of all live conductors including neutral — essential for TN-S and IT network configurations
- High Short-Circuit Withstand: Rated for use with upstream fuses to achieve high Ics/Icu ratings in coordinated protection schemes
- Compact Footprint: Space-optimized for high-density switchgear assemblies without compromising current rating
- Padlockable Handle: Supports up to 3 padlocks in OFF position for multi-user LOTO compliance
- Accessory Ecosystem: Compatible with ABB auxiliary contacts, door-coupling rotary handles, and motorized actuators
System Architecture & Signal Flow
In a typical MCC or distribution board architecture, the ABB 1SCA022115R6180 is installed as the main incoming isolator upstream of the busbar or feeder circuit breakers. The 4-pole configuration ensures complete galvanic separation of the supply from the load side:
- Upstream: Connected to incoming supply cables (L1, L2, L3, N) via top terminals
- Downstream: Feeds main busbar or directly to motor starters, VFDs, or sub-distribution boards
- Interlocking: Door-coupling handle (accessory) mechanically interlocks panel door with switch position — door cannot open when switch is ON
- Auxiliary Contacts: Optional NO/NC auxiliary contacts provide remote status signaling to PLC or SCADA systems
- Earthing: Integrated earthing terminal supports PE conductor connection per IEC 60364
Sourcing & Quality Verification
At Konmask.com, every ABB component undergoes a structured 4-step verification process before dispatch:
- Origin Traceability: Parts sourced directly from ABB authorized distributors or verified OEM surplus channels with full documentation
- Physical Inspection: Label verification (ABB hologram, date code, country of manufacture), housing integrity check, and terminal condition assessment
- Functional Test: Switching operation verified across full travel; contact resistance measured with micro-ohmmeter where applicable
- Documentation Package: CE Declaration of Conformity, test report, and packing list provided upon request
Procurement Process
- Submit RFQ: Contact us via support@konmask.com with your required quantity and delivery timeline
- Quotation: Receive a formal quotation with lead time, unit price, and shipping options within 24 hours
- Order Confirmation: Place order via our secure Shopify checkout or via bank transfer (T/T) for large orders
- Quality Check & Dispatch: Item inspected, photographed, and dispatched with tracking within 1–3 business days
- After-Sales Support: 12-month warranty on genuine parts; technical support available via email or WhatsApp
Technical FAQ
Q: Is the 1SCA022115R6180 suitable for DC applications?
A: Yes, the OT series is rated for DC applications up to 250V DC. For higher DC voltages, consult ABB’s derating guidelines or specify a DC-rated variant.
Q: Can this switch-disconnector be used as a motor starter?
A: No. The OT series is a switch-disconnector (isolation device), not a motor starter. It does not provide overload or short-circuit protection. Use in combination with a motor circuit breaker (e.g., ABB MS series) for motor protection.
Q: What is the difference between AC-22A and AC-23A utilization categories?
A: AC-22A is for switching mixed resistive and inductive loads; AC-23A is for switching motor loads and other highly inductive loads. The 1SCA022115R6180 supports both categories.
Q: Are spare parts and accessories available?
A: Yes. Konmask stocks compatible ABB OT series accessories including auxiliary contact blocks, rotary handles, and shaft extensions. Contact us for availability.
Q: Do you provide a Certificate of Conformity?
A: Yes. CE Declaration of Conformity and test documentation are available upon request for all genuine ABB parts.
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