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The ALS 20 automatic load shed is designed to automatically switch off a secondary load in a high current situation. This allows for the connection of two high current devices to a single 20 amp breaker.
Typically the ALS 20 will be configured so that when an on demand current is at a very high level the ALS 20 will automatically shed, or disconnect a secondary load such as a water heater whose operation can be temporarily postponed without directly affecting the user. This situation would normally occur by activation a high current device such as a microwave or hair dryer. In addition, the ALS 20 may also be installed to allow for the operation of more than 2 thermostatically controlled devices on a 120V 30 Amp service.
After the current demand drop, and a short safety delay, the ALS 20 will automatically switch the disconnected load back on.
Fully automatic and no maintenance required.
120 Volt, 20 Amps
Relay: DPDT rated 30 Amps
Coil: 110 volts DC
Input: 120 VAC, 20 Amp protected branch circuit
Priority Load Circuit: 120 VAC, 20 Amps MAX.
Shed Load Circuit: 120 VAC, 18 Amps MAX
ETL Listed for USA and Canada.
4.75 wide, 4.125 tall, 6.250 long
Mounting baseplateó6.25 long, 6.00 wide
Weight: 3.75 lbs.
Not ignition protected