Model 278 AC Current Transducer
The Model 278 AC Current Transducer offers reliable current measurement for industrial applications requiring precise monitoring. Its isolated input and output design ensures signal integrity and system protection, minimizing interference in critical operations. Featuring a solid-state, socket-mounted configuration, installation and maintenance are streamlined, reducing downtime. This transducer provides a standard 4-20 mA output from a 0-5 amp input, making it compatible with various control systems. With an output accuracy of 2% at 77°F and a response time of 800ms from 0-99%, it delivers consistent and timely performance data. The unit operates across a wide temperature range of -20° to +131°F and includes a five-year unconditional warranty, underscoring its durability and long-term operational value in demanding environments.
Current Transducer
Specifications
| Feature | High accuracy, low cost |
|---|---|
| Feature | Isolated input and output |
| Feature | Socket-mounted, solid-state design |
| Warranty | Five year unconditional warranty |
| Supply voltage | 115VAC @ 50/60Hz |
| Input current | 0-5 amps |
| Input frequencies | 25-400Hz |
| Input burden | 0.5VA at 120VAC 60Hz |
| Output @ rated input | 4-20 mA |
| Maximum load | 500 ohms |
| Output accuracy | 2% at 77°F |
| Output ripple | 1% max at nominal frequency |
| Response time | 800ms from 0-99% |
| Overload withstand | 2 times rated output-continuous, 10 times rated input-1 second |
| Dielectric withstand voltage (isolation) | 1500 VRMS input, output, case |
| Operating temperature | -20° to +131°F |
| Humidity tolerance | 0-97% w/o condensation |
| Enclosure material | ABS plastic |
| Mounting | 8-pin socket (*order separately) |
| Agency Approvals | UL Recognized-US/Canada |
| Required Socket | 51X120 |
