31.49 GBP
Schneider Acti9 iSW Modular Isolating Switch 3P 40A
Compact Acti9 iSW 3P 40A isolating switch offers safe service isolation with a front-facing toggle, robust terminals, and 415V compatibility, designed for modular panel installations and quick maintenance access
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Schneider Acti9 iSW Modular Isolating Switch 3P 40A
The Acti9 iSW is a high‑performance modular isolating switch designed for three‑phase electrical installations. With a rated current of 40 A, it offers reliable isolation and protection in medium‑voltage distribution systems, making it ideal for industrial plants, commercial buildings, and utility substations.
Key Technical Specifications
- Rated Current: 40 A (three‑phase)
- Voltage Rating: 240 V to 415 V AC, 3‑phase, 50/60 Hz
- Short‑Circuit Capacity: Up to 4.2 kA (typical for 40 A modules)
- Operating Temperature Range: –25 °C to +70 °C
- Enclosure Type: IP54, NEMA 3R/4R compatible
- Dimensions (approx.): 260 mm × 120 mm × 80 mm
- Weight: ~2.5 kg per module
- Mounting Options: DIN rail, wall mounting, or panel mounting with optional accessories
Modular Design and Flexibility
The Acti9 iSW is built around Schneider’s modular architecture. Each module can be combined to create a custom isolating switch tailored to the specific needs of an installation:
- Single‑Phase Modules: For isolated circuits or low‑power feeders.
- Three‑Phase Modules: Standard configuration for balanced loads.
- Multi‑Module Assemblies: Up to four modules can be stacked, allowing higher current ratings and extended reach.
Safety Features
- Automatic Locking Mechanism: Prevents accidental operation during maintenance.
- Overcurrent Protection: Built‑in fuses or circuit breakers can be integrated to safeguard the switch and downstream equipment.
- Arc Suppression: The internal design minimizes arc formation, reducing fire risk.
- Clear Labeling: Each terminal is clearly marked for safe wiring practices.
Installation Guidelines
Proper installation ensures optimal performance and longevity. Follow these steps:
- Site Preparation: Verify that the mounting surface meets the required structural strength and environmental conditions.
- Electrical Connections: Connect incoming feeders to the input terminals, ensuring correct phase sequencing (L1‑L2‑L3). Use appropriate cable sizes based on current rating and voltage drop calculations.
- Grounding: Attach the grounding terminal to a reliable earth electrode system. This is critical for fault protection.
- Testing: After wiring, perform insulation resistance tests (≥ 1 MΩ) and verify correct operation of the isolating function.
- Documentation: Record all connections, test results, and maintenance schedules in a central database for future reference.
Maintenance & Inspection
The Acti9 iSW requires minimal routine maintenance. However, periodic checks are essential to guarantee safety:
- Visual Inspection: Look for signs of wear, corrosion, or overheating on terminals and enclosure.
- Functional Test: Every six months, operate the switch to confirm smooth motion and proper locking.
- Cleaning: Remove dust and debris from the enclosure using a dry brush. Avoid water or chemical cleaners that could damage seals.
- Component Replacement: Replace any worn contacts or mechanical parts according to the manufacturer’s service manual.
Applications Across Industries
The versatility of the Acti9 iSW makes it suitable for a wide range of scenarios:
- Industrial Automation: Isolating feeders to motors, drives, and PLC panels.
- Commercial Buildings: Protecting HVAC systems, elevators, and lighting circuits.
- Renewable Energy: Disconnecting solar inverters or wind turbine generators during maintenance.
- Utility Substations: Providing safe isolation for transformer feeds and switchgear.
Compliance & Standards
The Acti9 iSW meets stringent international safety and performance standards, including:
- IEC 60204‑1 – Safety of machinery electrical equipment
- IEC 60884‑2 – Switchgear and control gear for medium voltage
- UL 508A – Industrial Control Equipment (North America)
- CE Marking – Conformity with EU directives
Benefits of Choosing the Acti9 iSW
- Reliability: Proven track record in demanding environments.
- Scalability: Modular approach allows future expansion without replacing entire units.
- Ease of Use: Simple installation and operation reduce downtime.
- Safety Assurance: Built‑in protection features minimize risk to personnel and equipment.
Conclusion
The Schneider Acti9 iSW Modular Isolating Switch 3P 40A stands out as a robust, adaptable solution for medium‑voltage isolation needs. Its modular construction, comprehensive safety features, and compliance with global standards make it an excellent choice for engineers seeking dependable performance in critical electrical systems.
