Engineered and Built in the USA
158BR
Categories: 158-Series, 3-Phase-MonitorsThe Model 158 continuously monitors 3-phase power lines for abnormal conditions. When properly adjusted, the Model 158 monitor will detect phase loss on a loaded motor even when regenerated voltage is present.
This device consists of a solid-state voltage and phase-angle sensing circuit, driving an electro-mechanical relay. When correct voltage and phase rotation are applied, the internal relay will energize. A fault condition will de-energize the relay. When the fault is corrected, the monitor will automatically reset.
The Model 158 does not require a neutral connection, and can be used with Wye or Delta systems. Four versions cover 120V, 208/240V, 480V (60Hz) and 380V (50Hz). Voltage ranges are sufficient to allow for proper adjustment to existing conditions. A front-mounted LED failure indicator is provided.
The R versions of the Model 158 monitor have an additional LED indicator for RESTART and a 5 minute short cycle timer, to delay restarting the motor.
If Octopart does not currently display the Time Mark product you desire, please call us Toll-Free at (800) 862-2875 or use the Find a Distributor link on our website to find a distributor near you.
Additional Information
| Automatic Reset | Yes |
|---|---|
| Contacts | SPDT |
| Manual Reset | No |
| Mount | DIN, Surface Mount |
| Phase Sensing | Phase Reversal,Phase Loss |
| Trip Delay | No |
| Trip Restart | Fixed |
| Voltage Sensing | Under Voltage Protection |
| Voltage Range | 208/240VAC |
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