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A075F142 | Microprocessor Control | 3-Pole Solid Neutral | NSE | 208V System Voltage
The Cummins OTEC 600 Amp NSE Automatic Transfer Switch is a high-capacity power transfer system designed for 208V three-phase standby applications. This robust unit ensures seamless switching between utility and generator power during outages. It is ideal for commercial, industrial, and mission-critical environments requiring reliable uptime. The Non-Service Entrance (NSE) configuration offers significant installation flexibility for various electrical setups. Built with advanced microprocessor-based control, it delivers precise load transfer under demanding conditions. The heavy-duty contactor technology ensures a long service life and exceptional electrical endurance. This switch constantly monitors utility conditions to protect critical operations from power failures. It is fully compatible with Cummins OTEC-series commercial generator systems for integrated performance. The durable steel enclosure resists corrosion in harsh commercial or industrial settings. Reliable performance is guaranteed through its industrial-grade assembly and smart control logic. This Automatic Transfer Switch (ATS) is engineered for large-scale standby power systems. It safely returns the load to utility service when power stabilizes after an outage. The system supports balanced energy distribution for high-demand three-phase installations.
High-Capacity Power Handling: The 600A rating supports high-demand 208V three-phase electrical systems effectively.
Automatic Power Transition: It automatically transitions between utility and generator power sources without manual intervention.
Installation Flexibility: The Non-Service Entrance (NSE) configuration allows for versatile installation options in various setups.
Intelligent Control System: A microprocessor-based controller ensures intelligent and accurate switching for optimal performance.
Industrial Durability: The corrosion-resistant steel enclosure is designed specifically for tough commercial and industrial environments.
The Cummins OTEC 600 Amp NSE Automatic Transfer Switch operates by continuously monitoring the status of the primary utility power source. When a utility outage is detected, the microprocessor controller signals the generator set to start immediately. Once the generator voltage stabilizes, the switch automatically transfers the electrical load from the utility to the generator. This process ensures that critical systems remain powered without interruption during the outage event. The switch utilizes a unique bidirectional linear actuator for frictionless and constant-force transfer action. This mechanism provides straight-line movement during automatic operation to ensure smooth and reliable switching. Mechanical and electrical interlocks prevent any source-to-source connection through the power or control wiring. This safety feature protects the equipment and personnel from dangerous short circuits or backfeeding. The system returns the load to the primary utility source once the power stabilizes after the outage ends. An open transition timing can be adjusted to disconnect the load briefly between sources. This programmed time period is recommended for transferring inductive loads safely and effectively.
Continuous Utility Monitoring: The controller constantly monitors utility conditions to detect voltage drops or failures instantly. It triggers the generator startup sequence automatically when an outage is confirmed.
Automatic Load Transfer: Upon generator stabilization, the switch transfers the electrical load to the backup power source. This transition happens seamlessly to maintain uptime for critical operations.
Safe Return to Utility: The system safely returns the load to utility service when normal power stabilizes after the outage. It ensures a clean transfer back to the primary source without interruption.
| Part Number (MPN) | A075F142 |
| Manufacturer | Cummins |
| Product Type | Automatic Transfer Switch (NSE) |
| Rated Amperage | 600A |
| Voltage Rating | 208V AC |
| Phase Configuration | Three Phase (3Ph) |
| Poles | 3 Pole with Solid Neutral |
| Enclosure Type | Non-Service Entrance (NSE) |
| Control System | PowerCommand® 40-11 Microprocessor-Based |
| Application Level | Commercial / Industrial / Mission Critical |
| Transfer Time | 6 Cycles Max at 60Hz |
| Operating Temperature | -13°F to 140°F (-25°C to 60°C) |
| Contact Material | Heavy-Duty Silver Alloy |
| Installation Requirement | Qualified Cummins Technician or Licensed Electrician |
Certifications: UL 1008 Certified for Automatic Transfer Switches
Standards Compliance: Compliant with NEC, IEEE, and CSA Electrical Standards
Generator Compatibility: Fully Approved for Cummins OTEC-Series Commercial Generators
Warranty: Genuine Cummins OEM Component Protected Under Standard Accessory Warranty
● Available | Contact us for lead time and pricing
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