Normally Open (NO) contact
or Solid State (NPN)
5 Sec., Fixed
5 Sec., Fixed
Microcomputer
#2 Input switch closes, but #1 remains open (because of a failure), the Alarm contact
115A
- 115VAC
230A - 208 to 230VAC
0°C to 40°C
4.280"
2"
3.479"
4.158"
3.75"
C
123
4
Inputs
Dry Contact
Load
Voltage
Alarm
Voltage
AL2 L4L1 L3
1 2 3 4C
115
VAC
1 234
A
Output Contact
Operation
Triplex / Quadplex Relay
QPB
• 4, 3 and 2 Pump
Sequencing
• FOFO
(First On / First Off)
•
Removable Terminal
Blocks
•
Input De-Bounce Delay
Specifi cations
Electrical
• Staggered Starting
• Manual Output Select
Physical
• Alarm Output
• Indicating LEDs
• 10 Amp,1NO
• Pick-up Delays
Ambient Temperatures
Connections
Ordering InformationDimensions
5/28/07
P6
Microcomputer
Input Voltage
Input Sw. #1
Input Sw. #2
Input Sw. #3
Input Sw. #4
Load #1
Load #2
Load #3
Load #4
Alarm
Input Voltage
Input Sw. #1
Input Sw. #2
Input Sw. #3
Input Sw. #4
Load #1
Load #2
Load #3
Load #4
Alarm
Input Voltage
Input Sw. #1
Input Sw. #2
Input Sw. #3
Input Sw. #4
Load #1
Load #2
Load #3
Load #4
Alarm
QPB
Triplex / Quadplex Relay
Normal Operation
#3 Relay Select Disabled Operation
Engineering Specifi cation Paragraph
P7
4/20/01
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