3-Phase Monitor with Adjustable Trip & Restart Delays
The 22-LM 3-Phase Monitor provides essential protection for industrial systems, ensuring operational continuity and equipment longevity. Its adjustable trip delay, ranging from 1 to 30 seconds for voltage and unbalance faults, allows for precise system response customization, preventing unnecessary shutdowns while safeguarding machinery. A configurable restart delay, from 1 to 500 seconds, further enhances operational control by managing system re-engagement after a fault condition, reducing potential stress on motors and other components. This unit features a manual reset, ensuring deliberate system re-engagement only when conditions are verified safe. With an operating voltage of 95-120 VAC and NEMA-compliant voltage unbalance trip settings, it offers robust and adaptable performance across various three-phase applications. The 5-year unconditional warranty underscores its reliability, making it a dependable component for critical industrial infrastructure.
Dpdt 120V Universal 3-Ph
Specifications
| Reset Type | Manual Reset |
|---|---|
| Operating Voltage | 95-120 VAC |
| Power Consumption | 6W at 120V |
| Auto Ranges | No |
| Frequency | 50/60Hz |
| Type of Measurement | RMS |
| Under Voltage Trip | 90% ±1% (% of setpoint) |
| Under Voltage Reset | 93% ±1% (% of setpoint) |
| Over Voltage Trip | 110% ±1% (% of setpoint) |
| Over Voltage Reset | 107% ±1% (% of setpoint) |
| Voltage Unbalance Trip | 2-8%, adjustable (conforms to NEMA) |
| Voltage Unbalance Reset | Trip setting minus 0.7% |
| Trip Delay (Voltage/Unbalance Faults) | 1-30 sec., adjustable |
| Trip Delay (Single-Phasing Faults) | 1 sec., fixed |
| Trip Delay (Unbalance > 15%) | 1 sec., fixed |
| Restart Delay | 1-500 sec., adjustable |
| Manual Reset Input | 5V open circuit/500µA short circuit |
| Manual Reset Requirement | External N.O. momentary pushbutton required |
| Output Contacts | 2X SPDT 10A at 240VAC resistive |
| Operating Temperature | -20° to +140° F |
| Humidity Tolerance | 0-97% w/o condensation |
| Terminal Torque (Power and Relay) | 9 in lbs max |
| Terminal Torque (Manual Reset) | 5.3 in lbs max |
| Wire Type (Power and Relay) | 12-22 AWG |
| Wire Type (Manual Reset) | 12-30 AWG |
| Enclosure | Noryl plastic |
| Mounting | Surface Mount |
| Additional Options | /SG = Silver with Gold Flash Contacts |
| System Compatibility | Wye or Delta systems |
| Neutral Connection | Not required |
| Dimension Tolerance | ± 0.06 in |
| Mounting Hole Diameter | 0.25 in |
| Warranty | 5-year Unconditional Warranty |
