Description
Time Mark B2644 – 3-Phase Monitor, Auto Reset, 208/240VAC, 160-240V, 60Hz, 1.5W

- 3-phase monitor
- Automatic reset
- Nominal AC voltage: 208/240 VAC
- Adjustment range: 160-240V
- Power consumption: 1.5W
- Frequency: 60Hz
- ABS plastic enclosure
- Surface mounting
- Approximately 2% dead band
The Time Mark B2644 is a 3-phase monitor that continuously monitors 3-phase Wye or Delta systems for abnormal conditions. It offers 208/240 VAC of nominal AC voltage, 160-240V of adjustment range, 60Hz of frequency, and 1.5W of power consumption.
The solid-state electronic sensing circuitry drives an internal DPDT relay, allowing the Model 2644 to operate two motor control circuits, or a control circuit and an alarm circuit. An adjustable trip delay reduces or eliminates nuisance tripping caused by momentary voltage fluctuations on motor start-up. An optional restart-delay gives approximately a 3.5-minute delay when the relay drops out, to allow compressor head pressures to bleed off, in the event of short-term power failures.
The voltage adjustment range allows for proper calibration to existing conditions. Both TRIP and NORM indicators are provided to aid in adjustment and system troubleshooting. The B2644 model comes with an automatic reset. The Model B2644 Monitor is not sensitive to line current, and can be used with any size motor or compressor.
Dimensions:

Typical Application:

Three Phase Monitor Relays | |
|---|---|
| 3-Phase Monitor Relay Function | Phase Loss/Phase Reversal/Under Voltage Only |
| Max Nominal Phase to Phase Voltage (monitors) | 240 VAC |
| TIME MARK DELAY | Adjustable Trip Delay, Fixed Trip Restart Delay |
| Monitor Relay Contact Type | DPDT |
| Electrical Approval (monitor relays) | CSA, UL |
| Time Mark Mounting | Surface Mount |
Product General Attributes | |
| Warranty | 5 YEARS |
| Warranty Details | This product is warranted to be free from defects in materials and workmanship, and is covered by our exclusive 5-year Unconditional Warranty. |
| Safety Approval | CSA, UL |
| Product Weight | 0.59 LBS |
| Product Height | 6.06 IN |
| Product Length | 3.88 IN |
| Product Width | 2.52 IN |
| Shipping Weight | 0.67 LBS |
| Country of Origin | United States |
| Shipping Height | 6.06 IN |
| Shipping Length | 3.88 IN |
| Shipping Width | 2.52 IN |







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