Get yours today!
In the last 7 days
Delivery timeframe shown above at checkout
Unlimited lifetime support, always available.

A075F134 | PowerCommand 40-11 | 400 Amp | NEMA 3R | 240V System Voltage
The Cummins automatic transfer switch A075F134 delivers reliable power management for residential and commercial needs. This OTEC model features a robust 400-amp capacity at 240 volts single-phase. It ensures seamless transitions between utility power and backup generators during electrical outages. The unit includes a PowerCommand 40-11 control system with an LCD display for easy monitoring. Built with a NEMA 3R weather-resistant enclosure, it operates safely indoors or outdoors. Professionals trust this switch for critical systems in light industrial settings. Always confirm voltage, amperage, and freight details with PES before ordering. Lead times may vary for large generator and transfer switch items.
Seamless Power Transition: The switch automatically manages power flow between utility service and backup generators without interruption.
High Capacity Rating: Rated at 400 amps and 240 volts, it supports heavy loads for commercial and residential applications.
Weather-Resistant Design: The NEMA 3R enclosure protects internal components from rain, sleet, and outdoor environmental conditions.
Advanced Control System: PowerCommand 40-11 control with LCD display provides clear status readings and user-friendly operation.
Critical System Protection: Ensures essential equipment stays powered during outages, preventing costly downtime and data loss.
The Cummins OTEC automatic transfer switch monitors utility power continuously. When utility power fails, the system signals the backup generator to start. Once the generator reaches stable voltage, the switch transfers the load automatically. This process keeps critical circuits active without manual intervention. The unit returns to utility power when it stabilizes after an outage. This delayed or open transition ensures safe and reliable power management for your facility.
Utility Power Monitoring: The PowerCommand 40-11 controller constantly checks voltage levels from the utility source. It detects drops or failures immediately to trigger the backup sequence.
Generator Start Signal: Upon detecting a utility outage, the switch sends a start signal to the connected generator. The generator ramps up to provide stable backup power for the load.
Load Transfer Mechanism: Once the generator stabilizes, the internal contacts switch the electrical load to backup power. This ensures continuous operation for connected systems during the outage period.
| Part Number | A075F134 |
| Model | OTEC Spec C |
| Amperage | 400 Amps |
| Voltage | 120/240V Single-Phase |
| Phase | 1 Phase |
| Service Rating | Non-Service Rated |
| Enclosure Type | NEMA 3R |
| Control System | PowerCommand 40-11 with LCD |
| Dimensions | 59" H × 27.5" W × 12.5" D |
| Weight | 425 lbs |
| Frequency | 50 or 60 Hz |
Certifications: NEMA 3R Weather-Resistant Rating
Inverter Compatibility: Compatible with standard backup generators and power systems
Environmental: Rated for indoor and outdoor installation in harsh conditions
Warranty: Contact PES for specific warranty terms and coverage details
● Available | Contact us for lead time and pricing
From hurricanes to blackouts, reliable solar power ensures you're able to keep your home & family safe no matter what comes your way.
Making one-click solar solutions simple since 2018. Whether you’re powering a cabin, charging devices, or backing up your home.
Say goodbye to reliance on the energy companies. Enjoy the same freedom that 50,000+ customers have with their own solar power system.
$150 Value - Free Offer (Limited Time Only!) No Strings Attached. Totally Free. Takes Less than 2 Minutes.