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Selco M8100 series Littelfuse

The M8100 Synchroscope provides illuminated indication of the phase and frequency difference between voltages on two separate AC systems, e.g. a generator and a busbar. The M8100 will also indicate whether or not the two systems are on voltage. The M8100 is also available in a version with a built-in relay for automatic closure of the circuit breaker (Synchro Check Relay). The voltage and frequency are adjusted by the operator to roughly match the values required, and the unit will provide a closing signal to the circuit breaker at phase accordance.


Other Littelfuse products

Generator Controls and Protection

Battery Management

Custom-Engineered Electrical Equipment

DC Solenoids and Relays

Electrical Switch Panels

Industrial Power and UL Fuses

Automotive Passenger Car

Automotive Aftermarket Products

Axial Radial Thru Hole Fuses

Surface Mount Fuses

Specialty Power Fuses

Medium Voltage Fuses

Military High Reliability Fuses

Fuse Blocks

POWRGARD Fuse Blocks


Dead Front Fuse Holders

Bodies Caps Covers and Terminals

Fuse Clips

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Plug Fuse Adapters

Specialty Items

Electrical Power Distribution Blocks

Gas Discharge Tubes

LED Protectors

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Arc Flash Detection

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Industrial GFCI

Single Function Relays

Feeder Protection

Relay Current Transformers

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PulseGuard® ESD Suppressors

Resettable PTCs

Shock-Block GFCI

SIDACtor® Protection Thyristors

Switching Thyristors

TVS Diode Arrays

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