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The Energy Management Switch (EMS) provides a cost effective solution for power management and added protection for applications using inputs from an inverter, shore OR generator that have a single 20A branch circuit. The EMS is designed to be used anywhere where two loads share the power from a single 20A branch circuit that normally require their own breaker. Most common applications are mid to large appliances that may kick on at the same time, overloading the circuit. The EMS applies power to both loads until the total loaded current exceeds approximately 18 Amps AC. It then cuts the power to the secondary load to prevent the 20A circuit breaker from tripping, while maintaining power to the primary load. The secondary load will be restored automatically when the total loaded current drops below a preset level (~5A).
The EMS has one input and two outputs. The primary (priority) branch is Circuit A. The secondary load (which may be shut off) is to be wired to Circuit B.
- AC input voltage and frequency: 120 VAC 50/60 Hz
- AC input current: 18 A (max)
- AC output voltage and frequency: 120 VAC 50/60 Hz
- AC output current: 18 A (max)
- Dip switch to control delay
- Weight: 2 lbs
- Dimensions: 7.25L” x 6.5D” x 2.37H”
- Mounting holes center to center: 3.5″
Recommend wire size: 12 AWG minimum and 8 AWG maximum