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DAVIS Á¾ÇÕ °èÃø±â - Çѱ¹´ë¸®Á¡ ÄÚ¸°½º°è±â(ÁÖ)
 
CR43902 Current Sensing Relay
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The CR4395/the CR7310 Current Sensing Relays are designed to monitor current levels in AC conductors
The CR4395 and the CR7310 Current Sensing Relays are designed to monitor current levels in AC conductors, and provide a dry relay contact activation when the current rises above or falls below a user adjusted set point. The 4395 is for general applications, and the 7310 is UL listed for use as a component of ground fault systems.

Specify remote current transformer when ordering remote sensing relay applications. (7310 only)

When ordering any of the above relays, time on delay (.5 to 6 sec. or 2 to 25 sec.) must be specified.

 
Features
  • Variable trip point and time delay
  • Monitors currents from 10ma. to 60 AC Amps
  • Electrical isolation between circuits
  • Output relay rated up to 20 Amps
  • LED relay status indicator
  • Dead band prevents relay chatter
  • Calibrated dial standard
  • External current transformers available
 
SPECIFICATIONS

Mounting

Two 3/16" dia. clearance holes on 1 15/16" by 2 15/16" centers
Operating Temp. 500 PPM/8C
Power-on delay 0 to 50 8C
Hysteresis >100,000 Hrs
Input Supply Power 70VAC
Terminal 1/4" Quick Connect
Frequency Range 50-400 Hz
Output Relay
Arrangement 1 Form C (SPDT)
Contact Material Silver-cadmium oxide
Mechanical Life 10 million operations
Electrical Life 100,000 operations
Contact Resistance 50 milliohms
Contact Rating UL508/873 & CSA

Voltage

Load Type

N.O. Contact

N.C. Contact

240 VAC

Resistive

20A

10A

240 VAC

Motor

2 HP

1/2 HP

125 VAC

Motor

1 HP

1/4 HP

28 VDC

Resistive

20A

10A


CAT NO. MODEL DEscRIPTION AVAIL PRICE
CR43902   CR4395-EH-120-70*   CURRENT SENSING RELAY   Usually ships in 7 to 10 days   280,216 
CR43903   CR4395-EH-120-330*   CURRENT SENSING RELAY   Usually ships in 7 to 10 days   270,000 
CR43906   CR4395-EL-120-70*   CURRENT SENSING RELAY   Usually ships in 7 to 10 days   270,000
CR43911   CR7310-EH-120-.01-1-l   Ground Fault Sensing Relay 120VAC610%, Trip Range .01 to .1   Usually ships in 7 to 10 days   321,840
CR43912   CR7310-EH-120-70-l   Ground Fault Sensing Relay 120VAC610%, Trip Range .01 to .1   Usually ships in 7 to 10 days   321,840
CR43913   CR7310-EH-120-330-l   Ground Fault Sensing Relay 120VAC610%, Trip Range .01 to .1   Usually ships in 7 to 10 days   321,840
CR43914   CRGFS-100   OPTIONAL Remote Ground Fault Current Transformer 1.5" Diameter window FOR Current and Ground Fault Sensing Relays   Usually ships in 7 to 10 days   97,200

 

CR43915   CRGFS-200   OPTIONAL FOR Current and Ground Fault Sensing Relays   Usually ships in 7 to 10 days   127,440
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DAVIS Á¾ÇÕ °èÃø±â - Çѱ¹´ë¸®Á¡ ÄÚ¸°½º°è±â(ÁÖ)
 
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