CAH Series
May not be exact product – for reference only.
CAH50A2BC
Lead Time:
10 Days
function
AC Overcurrent & Undercurrent
control voltage
120V AC
output
10A SPDT
TRIP DELAY
0.5 – 50 Sec
SENSING DELAY ON POWER
No Delay
MOUNT
Two Screw Mounting
Setting Adjustment
Analog
Options
None
CURRENT RANGE
5 – 50A
REMOTE POTENTIOMETER 2
$118.59
Description of Function
Overcurrent Sensing: After control voltage is applied & the sensing delay on power-up (ts) is completed, the unit will begin sensing for a fault condition. A fault will occur when the monitored AC current (I) goes above the Fault Trip Current setting & remains above the Reset level for a period longer than the adjustable time delay period (t). The LED will turn ON immediately and the relay will energize after the time delay on pick-up (t) is completed. The relay will de-energize & the LED will turn OFF when the monitored AC current goes below the Reset level.
Undercurrent Sensing: After control voltage is applied & the sensing delay on power-up (ts) is completed, the unit will begin sensing for a fault condition. A fault will occur when the monitored AC current (I) goes below the Fault Trip Current setting & remains below the Reset level for a period longer than the adjustable time delay period (t). The LED will turn ON immediately and the relay will energize after the time delay on pick-up (t) is completed. The relay will de-energize & the LED will turn OFF when the monitored AC current goes above the Reset level.
Function Chart
Product Overview
Features:
• Monitors single phase AC current
• Detects either an Overcurrent or Undercurrent Fault (selectable)
• Built-in current transformer allows easy access & multiple loops for increased sensitivity
• Adjustable time delay on fault trip
• LED indicates fault condition
• 10A SPDT output contacts
• Encapsulated for protection in harsh environments.
• Pilot Duty rating
• Detects either an Overcurrent or Undercurrent Fault (selectable)
• Built-in current transformer allows easy access & multiple loops for increased sensitivity
• Adjustable time delay on fault trip
• LED indicates fault condition
• 10A SPDT output contacts
• Encapsulated for protection in harsh environments.
• Pilot Duty rating
Enclosure Style:
Encapsulated
Configuration / Contact Rating:
SPDT 10A @ 240V AC / 8A @ 28V DC , 1/4HP @ 120/240V AC, B300
Application Information:
• Voltage Tolerance: +10/-15% of nominal at 50/60 Hz
• Load (Burden): 2 VA
• Current Sensing:
Range: 5-50A
Type: Toroidal, through hole wiring
Setting Accuracy: Min: +0%, -50%; Max: +10%, -0%
Maximum Allowable Current: Steady-50A Turns; 300A Inrush for 10 Seconds
Trip Point Hysteresis: -5% Overcurrent sensing +5% Undercurrent sensing
• Response Times:
Time Delay on Reset (Relay OFF): 100ms
Reset Time: 400ms.
• Life:
Mechanical: 10,000,000 operations
Full Load: 100,000 operations
• Temperature:
Operating: -28° to 65° C (-18° to 149° F)
Storage: -40° to 85° C (-40° to 185° F)
Mounting: Surface mount with two (2) #6 screws
Termination: 0.25″ male quick-connect termainals
• Load (Burden): 2 VA
• Current Sensing:
Range: 5-50A
Type: Toroidal, through hole wiring
Setting Accuracy: Min: +0%, -50%; Max: +10%, -0%
Maximum Allowable Current: Steady-50A Turns; 300A Inrush for 10 Seconds
Trip Point Hysteresis: -5% Overcurrent sensing +5% Undercurrent sensing
• Response Times:
Time Delay on Reset (Relay OFF): 100ms
Reset Time: 400ms.
• Life:
Mechanical: 10,000,000 operations
Full Load: 100,000 operations
• Temperature:
Operating: -28° to 65° C (-18° to 149° F)
Storage: -40° to 85° C (-40° to 185° F)
Mounting: Surface mount with two (2) #6 screws
Termination: 0.25″ male quick-connect termainals
Approvals:
Operations
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