460-B - 460 Voltage Relays Series

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The 460 is a 3-phase voltage monitor that protects 190-480VAC or 475-600V, 50/60Hz motors regardless of size. The product provides a user selectable nominal voltage set point and the voltage monitor automatically senses line voltage.

This unique microcontroller-based voltage and phase-sensing device constantly monitors the 3-phase voltages to detect harmful power line conditions such as low, high, and unbalanced voltage, loss of any phase, and phase reversal. When a harmful condition is detected, the 460 output relay is deactivated after a specified trip delay. The output relay reactivates after power line conditions return to an acceptable level for a specified amount of time (restart delay). The trip and restart delays prevent nuisance tripping due to rapidly fluctuating power line conditions.

All 460 models feature adjustable 1-30 second trip delay, 1-500 second restart delay, 2-8% voltage unbalance trip point, and one form C contact except where noted.

Property (Mouseover for details) Value
Input Voltage (V) 190 - 480 Vac
Maximum Input Power 6
Input AC Line Frequency (Hz) 50 / 60 (50 will increase all delay timers by 20%)
Output Form Form C
Output Load Rating (VA) Pilot Duty: 480 VA @ 240 Vac B300; General Purpose: 10 A @ 240 Vac
Restart Delay Range 1 - 500 s adjustable
Trip Delay Range Under/Over and Unbalance Voltage: 1 - 30 s adjustable; single-Phase faults (>25%UB): 1 s fixed
Trip Point Accuracy (%) ±1%
Overvoltage Trip Voltage (%) 110%
Overvoltage Reset Voltage (%) 107%
Undervoltage Trip Voltage 90%
Undervoltage Reset Voltage (%) 93%
Voltage Unbalance Trip Point (%) 2 - 8% adjustable
Voltage Unbalance Reset (%) Trip setting minus 1% (5 - 8%); Trip setting minute 0.5% (2 - 4%)
Protection Class IP20; NEMA 1 (finger safe)
Termination Type Torque: 6 in-lbs; Wire: Stranded or solid 12 - 20 AWG one per terminal
Mounting Method 35mm DIN rail or Surface Mount (#6 or #8 screws)
Operating Temperature -20° to 70°C (-4° to 158°F)
Storage Temperature (F/C) -40° to 80°C (-40° to 176°F)
Humidity 10 - 95% non-condensing per IEC 68-2-3
Dimensions 3.5 H x 2.08 W x 2.35 D in. (88.9 x 52.9 x 59.7 mm)
Weight (lbs/g) 0 Kg
Check Stock Yes
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s)
460-B 3-PHASE VOLT MON/ 190-480V/AD RoHS No 02/15/2021 PbFree No 02/15/2021 CoC_RoHS9_460-B_02-15-2021 REACH201_Declaration_with_Pb_460-B_02-15-2021 Yes
02/15/2021
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