AC Current Transducers

Description

The Models 278/2780 AC Current Transducer is designed to accept an AC current input, and provide a proportional DC output. A linear transformer input is coupled to a solid-state output amplifier. The Models are powered by a 115 VAC source, and is socket-mounted for ease of use.

Models 278/2780 Current Transducers can be used with computer and programmable controls to provide: motor and power control; supervisory data acquisition; load monitoring; feedback control; energy management.

Specs

Model

C278 

C278-230 

Supply Voltage 

115VAC @ 50/60Hz 

230VAC @ 50/60 Hz 

Input Current 

 0-5 amps

 0-5 amps

Input Frequencies

25-400 Hz 

Input Burden

0.5VA at 120VAC   60 Hz

Output @ rated input

4-20mA

4-20mA 

Max. Load

500 ohms 

500 ohms 

Output Accuracy

 2% at 77°F

Output Ripple

 1% max at nominal frequency

Response Time

 800 msec of 0-99%

Overload Withstand

 2 times rated output-continuous
10 times rated input-1 second

Dielectric Withstand
Voltage (isolation)

 1500VRMS input, output, case

Operating Temp

 -40° to +131°F

Humidity Tolerance

 0-97% w/o condensation

Enclosure Material

 ABS Plastic

Mounting

8-pin socket (*order separately)

Weight

 ABS Plastic

Agency Approvals

 UL Recognized US/Canada

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