Protection Relays and Controls Catalog - Spanish
Spanish readers can use this catalog to identify and order the most-effective protection and control relays for their applications.
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3554005
3-PHASE VM/ 380-480V/ ADJ VUB | Series: 355The 355 is a 3-phase voltage monitor with adjustable trip and restart delay, adjustable voltage unbalance and multiple diagnostic lights. It is perfect for heavy-duty applications that need both protection and simple user-friendly diagnostics. Applications include pump panels, commercial HVAC, oil rigs and others.
The 355 uses microcontroller technology to monitor incoming voltage and de-energize its output relay if power problems exist. The 355 can protect motors from damage caused by single-phasing, high and low voltage, phase reversal and voltage unbalance. It has four diagnostic LEDs that clearly show overvoltage, undervoltage, voltage unbalance, reverse-phase and normal conditions.
The 355-200 is equipped with a heavy-duty 10A general purpose SPDT relay. The 355-400 and 355-600 are equipped with a 470VA @ 600VAC pilot duty SPDT relay. A high voltage (600V) DPDT relay output option is available with the 400V model.
| Property | Value |
|---|---|
Input Voltage (V) | 380 - 480 Vac |
Output Form | DPDT |
Termination Type | Torque: 7 in-lbs; Wire Size: 12 - 18 AWG |
Dimensions | 2.93 H x 5.27 W x 2.95 D in. (74.4 x 133.9 x 74.9 mm) |
Weight (kg) | 0 Kg (kilogram) |
Input AC Line Frequency (Hz) | 50 / 60 (50 will increase all delay timers by 20%) |
Maximum Input Power (W) | 6 |
Output Load Rating (VA) | Pilot Duty: 470 VA @ 600 Vac; General Purpose: 10 A |
Overvoltage Reset Voltage (%) | 107% |
Overvoltage Trip Voltage (%) | 110% |
Repeat Accuracy (%) | ±0.1% |
Restart Delay Range | After a Fault or power loss: Manual; 2 - 300 s adjustable |
Trip Delay Range | Under/Over and Unbalance Voltage: 2 - 30 s adjustable; single-Phase faults (>25%UB): 2 s |
Trip Point Accuracy (%) | ±1% |
Undervoltage Reset Voltage (%) | 93% |
Undervoltage Trip Voltage (%) | 90% |
Voltage Unbalance Reset (%) | Trip setting minus 1% |
Voltage Unbalance Trip Point (%) | 2 - 8% adjustable |
Mounting Method | #8 screws |
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 |
3554005 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3554005 | 3-PHASE VM/ 380-480V/ ADJ VUB | View More |
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