Macromatic VAKPU voltage monitor relay was replaced by the VAKP240A. This chart compares their features and makes note of any differences. If you are replacing the VAKPU with a VAKP240A, keep in mind the VAKP240A has a single voltage of 240V AC. The Pick-Up and Drop-Out voltage, as well as the Time Delay on Drop-Out can be set the same way as with the VAKPU. The Time Delay on Pick-Up is set at 0.5 seconds.
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Feature
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VAKPU
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VAKP240A
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Monitored Voltage
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Adjustable 208-240V AC
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240V AC
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Voltage Settings
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Pick-up: Adjustable 85-115% of Nominal Voltage
(Dial marked in percent, 85-115%, Actual Range: 177-276V)
Drop-out: Adjustable 80-95% of Pick-up Voltage Setting
(Actual Range: 142 – 262V)
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Pick-up: Adjustable from 180-300V
(Dial marked in voltage values)
Drop-out: Adjustable 75-95% of Pick-up Voltage Setting
(Actual Range: 135 – 285V)
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Time Delay
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Pick-up: Adjustable 0.1-10 Seconds
Drop-out: Adjustable 0.1-10 Seconds
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Pick-up: Fixed at 0.5 Seconds
Drop-out: Adjustable 0.1-10 Seconds
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Adjustment Knobs
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1. Monitored Voltage
2. Pick-up Voltage Setting
3. Drop-out Voltage Setting
4. Time Delay on Pick-up
5. Time Delay on Drop-out
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1. Pick-up Voltage Setting
2. Drop-out Voltage Setting
3. Time Delay on Drop-out
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Relay Output
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10 A @ 240V AC / 30V DC
1/2 hp 2 20V AC
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10A @ 240V AC, 7A @ 30V AC
1/4hp @ 120/240V AC, C300
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Mounting
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8 Pin Octal Plug-In
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8 Pin Octal Plug-In
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LED Status
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Red Steady-Relay On
Green Steady-Relay Off
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Red Steady-Relay On
Green Steady-Relay Off
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Dimensions
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1.7” W x 2.4” D x 3.1” H
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1.7” W x 2.4” D x 3.1” H
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Approvals
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UL & CUL Recognized, UL Listed with Socket
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UL & CUL Recognized, UL Listed with Socket
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Monitored Voltage
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VAKPU
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Adjustable 208-240V AC
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VAKP240A
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240V AC
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Voltage Settings
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VAKPU
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Pick-up: Adjustable 85-115% of Nominal Voltage
(Dial marked in percent, 85-115%, Actual Range: 177-276V)
Drop-out: Adjustable 80-95% of Pick-up Voltage Setting
(Actual Range: 142 – 262V)
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VAKP240A
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Pick-up: Adjustable from 180-300V
(Dial marked in voltage values)
Drop-out: Adjustable 75-95% of Pick-up Voltage Setting
(Actual Range: 135 – 285V)
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Time Delay
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VAKPU
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Pick-up: Adjustable 0.1-10 Seconds
Drop-out: Adjustable 0.1-10 Seconds
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VAKP240A
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Pick-up: Fixed at 0.5 Seconds
Drop-out: Adjustable 0.1-10 Seconds
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Adjustment Knobs
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VAKPU
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1. Monitored Voltage
2. Pick-up Voltage Setting
3. Drop-out Voltage Setting
4. Time Delay on Pick-up
5. Time Delay on Drop-out
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VAKP240A
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1. Pick-up Voltage Setting
2. Drop-out Voltage Setting
3. Time Delay on Drop-out
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Relay Output
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VAKPU
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10 A @ 240V AC / 30V DC
1/2 hp 2 20V AC
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VAKP240A
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10A @ 240V AC, 7A @ 30V AC
1/4hp @ 120/240V AC, C300
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Mounting
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VAKPU
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8 Pin Octal Plug-In
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VAKP240A
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8 Pin Octal Plug-In
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LED Status
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VAKPU
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Red Steady-Relay On
Green Steady-Relay Off
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VAKP240A
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Red Steady-Relay On
Green Steady-Relay Off
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Dimensions
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VAKPU
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1.7” W x 2.4” D x 3.1” H
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VAKP240A
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1.7” W x 2.4” D x 3.1” H
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Approvals
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VAKPU
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UL & CUL Recognized, UL Listed with Socket
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VAKP240A
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UL & CUL Recognized, UL Listed with Socket
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