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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 Model ALT-24-S-SW Alternating Duplex Pump Relay with Switch 20-26V 8-pin Plug-in MSRALT-24-S-SW Littelfuse ALT-24-S, 20-26V, Alternating, Duplex, Pump Relay,with Switch 20-26V, 8-pin Plug-in
Price: $89.71
Availability: Special Order
Littelfuse/Symcom Item #: MSRALT24SSW -
Littelfuse Model ISS-100 1-Channel Intrinsically Safe Switch 90-120V DIN Rail MSRISS100 Littelfuse ISS-100, 1-Channel, Intrinsically Safe Switch, 90-120V, DIN Rail
Price: $184.03
Availability: Special Order
Littelfuse/Symcom Item #: MSRISS100 -
Littelfuse Model ISS-101 1-Channel Intrinsically Safe Switch 90-120V 8-Pin MSRISS100 Littelfuse ISS-100, 1-Channel, Intrinsically Safe Switch, 90-120V, 8-pin
Price: $184.03
Availability: Special Order
Littelfuse/Symcom Item #: MSRISS101 -
Littelfuse Model ISS-102A-LC 2-Channel Intrinsically Safe Switch 120V Form A MSRISS102ALC Littelfuse ISS-102A-LC, 2-Channel, Intrinsically Safe Switch, 120V, Form A
Price: $336.31
Availability: Special Order
Littelfuse/Symcom Item #: MSRISS102ALC -
Littelfuse Model ISS-102AA-DCS 2-Channel Intrinsically Safe Switch Dual Channel 120V 2Form A MSRISS102AADCS Littelfuse ISS-102AA-DCS, 2-Channel, Intrinsically Safe Switch, Dual Channel 120V, 2Form A
Price: $336.31
Availability: Special Order
Littelfuse/Symcom Item #: MSRISS102AADCS -
Littelfuse Model ISS-102ACI-MC 2-Channel Intrinsically Safe Switch Dual Channel 120V 1FormA 1FormC MSRISS102ACIMC Littelfuse ISS-102ACI-MC, 2-Channel, Intrinsically Safe Switch, Dual Channel, 120V, 1FormA, 1FormC
Price: $336.31
Availability: Special Order
Littelfuse/Symcom Item #: MSRISS102ACIMC -
Littelfuse Model ISS-102C-M-LC Intrinsically Safe Switch 120V 1FormC Latching MSHA MSRISS102CMLC Littelfuse ISS-102C-M-LC, Intrinsically Safe, Switch, 120V 1FormC, Latching, MSHA
Price: $371.82
Availability: Special Order
Littelfuse/Symcom Item #: MSRISS-102C-M-LC -
Littelfuse Model ISS-102CCI-M-MC Intrinsically Safe Switch 120V 2FormC Multifunction MSHA MSRISS102CCIMMC Littelfuse ISS-102CCI-M-MC, Intrinsically Safe, Switch, 120V, 2FormC, Multifunction, MSHA
Price: $371.82
Availability: Special Order
Littelfuse/Symcom Item #: MSRISS102CCIMMC -
Littelfuse Model ISS-105 5-Channel Intrinsically Safe Switch 120V MSRISS105 Littelfuse ISS-105, 5-Channel, Intrinsically Safe, Switch, 120V,
Price: $730.25
Availability: Special Order
Littelfuse/Symcom Item #: MSRISS105 -
Littelfuse Model ISS-105-ISO 5-Channel Intrinsically Safe Only Switch 120V MSRISS105ISO, Littelfuse ISS-105-ISO, 5-Channel, Intrinsically Safe Only, Switch, 120V,
Price: $542.49
Availability: Special Order
Littelfuse/Symcom Item #: MSRISS105ISO -
Littelfuse Model ISS-105-ISO-3 3-Channel Intrinsically Safe Only Switch 120V MSRISS105ISO3, Littelfuse ISS-105-ISO-3, 3-Channel, Intrinsically Safe Only, Switch, 120V,
Price: $522.22
Availability: Special Order
Littelfuse/Symcom Item #: MSRISS105ISO3 -
Littelfuse Model ISS-105-ISO-4 4-Channel Intrinsically Safe Only Switch 120V MSRISS105ISO4, Littelfuse ISS-105-ISO-4, 4-Channel, Intrinsically Safe Only, Switch, 120V,
Price: $522.22
Availability: Special Order
Littelfuse/Symcom Item #: MSRISS105ISO4 -

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