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Monitors & Relays
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Electrical Monitors measure various criteria of electrical current and take corrective action when needed. Browse voltage monitors, load sensors, remote monitors, relays and more below.

Littelfuse LSR-115 Load Sensor 115V 2-100 Amp Littelfuse LSR-115, MSRLSR115, preset load sensor, 115V current sensor, lockout protection,
Price: $190.78
Availability: Special Order
Littelfuse/Symcom Item #: MSRLSR115 -
Littelfuse LSR-230 Load Sensor 230V 2-100 Amp Littelfuse LSR-230, MSRLSR230, preset load sensor, 230V current sensor, lockout protection,
Price: $190.78
Availability: Special Order
Littelfuse/Symcom Item #: MSRLSR230 -
Littelfuse LSR-24 Load Sensor 24V 2-100 Amp Littelfuse LSR-24, MSRLSR24, preset load sensor, 24V current sensor, lockout protection,
Price: $190.78
Availability: Special Order
Littelfuse/Symcom Item #: MSRLSR24 -
Littelfuse LSRU-115-AL-1.5 Load Sensor 115V 0-10 Amp with Alarm Logic Littelfuse LSRU-115-AL-1.5, MSRLSRU115AL1.5, preset load sensor, 115V current sensor, lockout protection,
Price: $235.26
Availability: Special Order
Littelfuse/Symcom Item #: MSRLSRU115AL1.5 -
Littelfuse LSRU-115-AL-2 Load Sensor 115V 5-25 Amp with Alarm Logic Littelfuse LSRU-115-AL-2, MSRLSRU24AL2, preset load sensor, 115V current sensor, lockout protection,
Price: $235.26
Availability: Special Order
Littelfuse/Symcom Item #: MSRLSRU115AL2 -
Littelfuse LSRU-115-AL-3 Load Sensor 115V 25-100 Amp with Alarm Logic Littelfuse LSRU-115-AL-3, MSRLSRU24AL3, preset load sensor, 115V current sensor, lockout protection,
Price: $235.26
Availability: Special Order
Littelfuse/Symcom Item #: MSRLSRU115AL3 -
Littelfuse LSRU-115-FC-1.5 Load Sensor 115V 0-10 Amp Feed Control (Replaces -1 model) Littelfuse LSRU-115-FC-1.5, MSRLSRU115FC1.5, preset load sensor, 115V current sensor, lockout protection,
Price: $235.26
Availability: Special Order
Littelfuse/Symcom Item #: MSRLSRU115FC1.5 -
Littelfuse LSRU-115-OR-1.5 Load Sensor 115V 0-10 Amp (Replaces -1 model) Littelfuse LSRU-115-OR-1.5, MSRLSRU115AL1.5, preset load sensor, 115V current sensor, lockout protection,
Price: $235.26
Availability: Special Order
Littelfuse/Symcom Item #: MSRLSRU115OR1.5 -
Littelfuse LSRU-115-OR-2 Load Sensor 115V 5-25 Amp Littelfuse LSRU-115-OR-2, MSRLSRU115OR2, preset load sensor, 115V current sensor, lockout protection,
Price: $235.26
Availability: Special Order
Littelfuse/Symcom Item #: MSRLSRU115OR2 -
Littelfuse LSRU-115-OT-1.5 Load Sensor 115V 0-10 Amp Variable Trip (Replaces -1 model) Littelfuse LSRU-115-OT-1.5, MSRLSRT115OT1.5, preset load sensor, 115V current sensor, lockout protection,
Price: $235.26
Availability: Special Order
Littelfuse/Symcom Item #: MSRLSRU115OT1.5 -
Littelfuse LSRU-115-OT-2 Load Sensor 115V 5-25 Amp Variable Trip Littelfuse LSRU-115-OT-2, MSRLSRT115OT2, preset load sensor, 115V current sensor, lockout protection,
Price: $235.26
Availability: Special Order
Littelfuse/Symcom Item #: MSRLSRU115OT2 -
Littelfuse LSRU-115-OT-3 Load Sensor 115V 25-100 Amp Variable Trip Littelfuse LSRU-115-OT-3, MSRLSRU115OT3, preset load sensor, 115V current sensor, lockout protection,
Price: $235.26
Availability: Special Order
Littelfuse/Symcom Item #: MSRLSRU115OT3 -

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