Littelfuse monitoring relays

1 company | 7 products
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overload monitoring relay
overload monitoring relay
777 series

... a fast linear trip is required. All of the overload relays provide unsurpassed protection by combining overload, voltage, phase loss and reversal, voltage and current unbalance, power monitoring, and ...

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Littelfuse
insulation monitoring relay
insulation monitoring relay
PGR-6101 series

... combines the features of a ground-fault protection relay and insulation monitor into one unit. It protects against ground faults by monitoring insulation resistance when the motor is ...

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Littelfuse
phase monitoring relay
phase monitoring relay
102A series

Trigger voltage: 190 V - 600 V

... phase-sensing circuit constantly monitors the 3-phase voltages to detect harmful power line conditions. When a harmful condition is detected, the output relay is deactivated after a specified trip delay. ...

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Littelfuse
voltage monitoring relay
voltage monitoring relay
201 SP DPDT series

Trigger voltage: 95 V - 240 V

... voltage-sensing circuit constantly monitors the voltage to detect harmful power line conditions. When a harmful condition is detected, the relay’s output relays are deactivated after ...

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Littelfuse
voltage monitoring relay
voltage monitoring relay
202 202 RP series

Trigger voltage: 190 V - 600 V

... phase-sensing device constantly monitors the 3-phase voltages to detect harmful power line conditions. When a harmful condition is detected, the 202 series’s output relay is deactivated after a specified ...

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Littelfuse
voltage monitoring relay
voltage monitoring relay
460 series

Trigger voltage: 190 V - 600 V

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 setpoint and the voltage monitor automatically ...

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Littelfuse
current monitoring relay
current monitoring relay
SE-330 series

Trigger voltage: 65 V - 265 V

... neutral-grounding resistor monitoring relay that is compliant with Rule 10-302 of the 2018 Canadian Electrical Code Part I (CE Code). It measures neutral current, neutral-to-ground voltage, and neutral-to-ground ...

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Littelfuse