Littelfuse KVM6, KVM Series, Voltage Sensing AC 264VAC, SPDT (1 Form C)
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The KVM Series is a single-phase undervoltage monitor designed to protect sensitive equipment against brownout undervoltage conditions. The compact design and encapsulated construction make the KVM Series an excellent choice for OEM equipment.
Operation
The output relay is energized and the LED glows green when the input voltage is above the reset voltage threshold. If the input voltage drops below the undervoltage setpoint, the output relay and LED will de-energize. The output relay will remain de-energized as long as the input voltage is below the reset voltage. Reset is automatic when the input voltage returns to a normal range.
Pre-order 6-8 Weeks
Specifications
| Line Voltage | |
| Type | Single phase |
| Input Voltage | 110 to 120VAC or 220 to 240VAC |
| AC Line Frequency | 50/60 Hz |
| Power Consumption | 2.5W @ 132VAC; 4.5W @ 264VAC |
| Power Off Reset Time | ≤ 150ms |
| Undervoltage Detection | |
| Undervoltage Setpoint |
KVM4 78 to 99VAC KVM6 156 to 199VAC |
| Undervoltage Reset Point |
KVM4 Fixed at 104VAC KVM6 Fixed at 209VAC |
| Repeatability |
± 0.5% under fixed conditions ±1% over temperature range |
| Voltage Sensing Accuracy | ±2% at 25°C |
| Output | |
| Type | Electromechanical relay |
| Form | SPDT |
| Rating | 8A resistive @ 120VAC, 1/3 hp @ 120/240VAC |
| Life | Mechanical - 1 x 10⁶ ; Electrical - 1x10⁵ |
| LED Indicator | Glows green when output is energized |
| Protection | |
| Surge | IEEE C62.41-1991 Level A |
| Circuitry | Encapsulated |
| Isolation Voltage | ≥ 1500V RMS input to output |
| Insulation Resistance | ≥ 100 MΩ minimum |
| Mechanical | |
| Mounting | Surface mount with one #10 (M5 x 0.8) screw |
| Dimensions |
H 50.8 mm (2.0”) W 50.8 mm (2.0”) D 30.7 mm (1.21”) |
| Termination | 0.25 in. (6.35 mm) male quick connect terminals |
| Environmental | |
| Operating/Storage Temperature | -25 to 55°C / -40 to 85°C |
| Humidity | 95% relative, non-condensing |
| Weight | 2.6 oz (74 g) |