Protection Relays and Controls Catalog
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201-575-AU-OT
3-PH PLUG-IN VM/ 575V/ ADJ. VU | Series: 201A AUThe 201A-AU is a 3-phase, auto-ranging, dual-range voltage monitor that protects 190-480VAC, 50/60Hz motors regardless of size. Has user adjustable 1-30 second trip delay, manual or 1-500 second restart delay, and 2-8% voltage unbalance trip point. The product also provides a user selectable nominal voltage setpoint and the voltage monitor automatically selects between the 200V and 400V range. The Model 201A-AU includes advanced single LED diagnostics, where five different light patterns distinguish between faults and normal conditions.
This unique microcontroller-based voltage and phase-sensing device constantly monitors the 3-phase voltages to detect harmful power line conditions. When a harmful condition is detected, the 201A-AU's output relay is deactivated after a specified trip delay. The output relay reactivates after power line conditions return to acceptable levels.
| Property | Value |
|---|---|
Input Voltage (V) | 475 - 600 Vac |
Output Form | Form C |
Dimensions | 1.75 H x 2.38 W x 4.13 D in. (44.5 x 60.3 x 104.8 mm) |
Weight (kg) | 0 Kg (kilogram) |
Humidity | 10 - 95% non-condensing per IEC 68-2-3 |
Input AC Line Frequency (Hz) | 50 / 60 |
Maximum Input Power (W) | 5 |
Output Load Rating (VA) | Pilot Duty: 480 VA @ 240 Vac B300; General Purpose: 10 A @ 240 Vac |
Overvoltage Reset Voltage (%) | 107% |
Overvoltage Trip Voltage (%) | 110% |
Restart Delay Range | Manual; 1 - 500 s adjustable |
Trip Delay Range | Under/Over and Unbalance Voltage: 1 - 30 s adjustable; single-Phase faults: 1 s fixed |
Trip Point Accuracy (%) | ±1% |
Undervoltage Reset Voltage (%) | 93% |
Undervoltage Trip Voltage (%) | 90% |
Voltage Unbalance Reset (%) | Trip setting minus 1% (5 - 8%); Trip setting minute 0.5% (2 - 4%) |
Voltage Unbalance Trip Point (%) | 2 - 8% adjustable |
Mounting Method | DIN rail or surface mount (plug into OT08-PC socket) |
Operating Temperature Max (°C) | 70 |
Operating Temperature Maximum Fahrenheit | 158 |
Operating Temperature Minimum Celsius | -40 |
Operating Temperature Minimum Fahrenheit | -40 |
Storage Temperature Maximum Celsius | 80 |
Storage Temperature Maximum Fahrenheit | 176 |
Storage Temperature Minimum Celsius | -40 |
Storage Temperature Minimum Fahrenheit | -40 |
201-575-AU-OT Resources
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| Part Number | Part Description | RoHS | Pb-Free | RoHS (2015/863/EU) Certificate | REACH (SVHC's) Declaration | REACH (SVHC's) | Halogen Free | IPC-Material Declaration | |
|---|---|---|---|---|---|---|---|---|---|
| 201-575-AU-OT | 3-PH PLUG-IN VM/ 575V/ ADJ. VU | View More |
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