Current Sensing Relays Series
May not be exact product – for reference only.
CAP10AD62
Lead Time:
10
Days
function
Overcurrent AC/DC
control voltage
120V AC
output:
10A SPDT
CURRENT RANGE
5ma – 10A DC
TRIP DELAY
SENSING DELAY ON POWER
START-UP SENSING DELAY: 0.1 – 10 SEC.
ENCLOSURE STYLE
Plug-in
$146.99
Description of Function
Non-Latching Mode:The unit will operate in the non-latching mode if no circuit is completed across pins 9 & 11 on power-up. After input voltage is applied (LED is Green) and the start-up sensing delay (ts) of 0.1 – 10 seconds is completed, the relay will energize when the monitored current is above the adjustable pick-up setting (“Threshold”) and the LED will be Red. It will de-energize when the monitored current goes below the adjustable drop-out setting (“Hysteresis”) by 5-50% of the selected pick-up setting or when input voltage is removed. The LED will be Green.
Latching Mode:The unit will operate in the latching mode if a N.C. contact (Memory S2) is onnected across pins 9 & 11 on power-up (see Wiring Diagram). After input voltage is applied (LED is Green) and the start-up sensing delay (ts) of 0.1 – 10 seconds is completed, the relay will energize when the monitored current is above the adjustable pick-up setting (“Threshold”) and the LED will be Red. It will de-energize when the monitored current goes below the adjustable drop-out setting (“Hysteresis”) by 5-50% of the selected pick-up setting and the N.C. contact (Memory S2) is opened, or when input voltage is removed. The LED will be Green. It is recommended to set the Hysteresis at 5% when in the latching mode.
Function Chart
Product Overview
Features:
Detects either an Overcurrent or Undercurrent Fault (selectable) Monitors single phase AC current Three separate adjustable Fault Trip Current ranges covering 0.5 – 50 amperes Built-in toroidal through-hole 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
Enclosure Style:
Plug-in
Configuration / Contact Rating:
SPDT • 10 Amperes @ 240VAC, General Purpose; 8 Amperes @ 28VDC, Resistive; 1/4HP @ 120/240VAC; B300
SPDT • 10 Amperes @ 240VAC, General Purpose; 8 Amperes @ 28VDC, Resistive; 1/4HP @ 120/240VAC; B300
Application Information:
Voltage Tolerance: AC Operation: +10/-15% of nominal at 50/60 Hz. Load (Burden): Less than 5VA for all voltages. Indicator LED: Green when Input Voltage is applied; Red when Relay is energized. Monitored Current Ranges:Three built-in current ranges to monitor both AC & DC current: 5 -100ma DC (3.5 – 70.7ma AC); 0.05 – 1A DC (0.035 – 0.707A AC); and 0.5 – 10A DC(0.35 – 7.07A AC). Response Times: Sensing delay on power-up ts: 0.1 – 10 secondsPick-up & Drop-out: Fixed 100msOutput Contacts: 10A @ 240V AC / 7A @ 28V DC SPDT, 1/4 HP @ 120V AC (N.O.)
Life: Mechanical: 10,000,000 operations; Full Load: 100,000 operations
Temperature: -28o to 65o C (-18o to 149o F)
Approvals:
Operations
The CAH Series is an AC current sensing relay that can detect either an overcurrent or undercurrent fault (selectable). The current-carrying wire is run through the built-in toroidal current transformer and can be looped multiple times for greater sensitivity. These relays include user-adjustable settings for Fault Trip Current & Time Delay on Fault Trip as well as an LED to indicate fault condition. The encapsulated construction offers protection in harsh environments. Applications such as monitoring for locked rotor or load loss condition, open heater or lamp, and process control are perfect for these products.
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