Current and voltage monitoring devices with relay output are essential for protecting electrical systems from abnormalities. These monitors detect deviations and trigger alarms or shut down operations to prevent damage.
They are widely used in power distribution, industrial automation, and renewable energy systems to ensure system stability and safety.
Leading providers such as ABB, Eaton, and Carlo Gavazzi offer reliable and accurate monitoring solutions with various configurable options.
| Select | Images | Part Number | Mfr | Description | Datasheet | Availability | Price | Qty | RFQ | Rohs | ECAD Model |
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Mfr. Part No. WS Part No. |
1-phase; multifunction; range: Imax 0.1-1A AC, Imin 0.05-0.95A
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Low Stock |
MOQ: 0 |
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Mfr. Part No. WS Part No. |
1-phase; multifunction; range: Imax 1.6-16A AC, Imin 0.8-15.2A
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Low Stock |
MOQ: 0 |
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Mfr. Part No. WS Part No. |
1-phase; monitors OC; range 1-20A AC
- integrated current transformer in the body of the device
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Low Stock |
MOQ: 0 |
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Mfr. Part No. WS Part No. |
Selectable range 190-200-208-220-230-240-250 & 380-400-416-440-460-480-500V.
Monitors adjustable undervoltage and fixed overvoltage (110% of range), phase failure, sequence, asymmetry 2-10% (with OFF option).
Adjustable time delay 0.3-30s incl. optional restart time delay 1-300s.
Optional memory function, 2x output contact
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Low Stock |
MOQ: 0 |
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Mfr. Part No. WS Part No. |
Multifunction, Umax 80-150 AC/DC, Umin 30-95% of Umax, 2x output
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Low Stock |
MOQ: 0 |
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Mfr. Part No. WS Part No. |
Multifunction, Umax 80-150 AC/DC, Umin 30-95% of Umax, 1x output
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Low Stock |
MOQ: 0 |
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Mfr. Part No. WS Part No. |
Multifunction, Umax 12-30 DC, Umin 50-95% of Umax, 2x output
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Low Stock |
MOQ: 0 |
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Mfr. Part No. WS Part No. |
Multifunction, Umax 12-30 DC, Umin 50-95% of Umax, 1x output
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Low Stock |
MOQ: 0 |
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Mfr. Part No. WS Part No. |
Multifunction, Umax 160-276 AC/DC, Umin 30-95% of Umax, 2x output
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Low Stock |
MOQ: 0 |
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Mfr. Part No. WS Part No. |
Multifunction, Umax 160-276 AC/DC, Umin 30-95% of Umax, 1x output
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Low Stock |
MOQ: 0 |
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Mfr. Part No. WS Part No. |
Fixed range 208-480V. Monitors phase failure, sequence, asymmetry 2-10% (with OFF option).Adjustable time delay 0.3-30s
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Low Stock |
MOQ: 0 |
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Mfr. Part No. WS Part No. |
Selectable range 208-220-380-400-415-440-480V. Monitors adjustable undervoltage, phase failure, sequence, asymmetry 2-10% (with OFF option). Adjustable time delay 0.3-30s
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Low Stock |
MOQ: 0 |
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Mfr. Part No. WS Part No. |
Selectable range 190-200-208-220-230-240-250 & 380-400-416-440-460-480-500V.
Monitors adjustable undervoltage and fixed overvoltage (110% of range), phase failure, sequence, asymmetry 2-10% (with OFF option).
Adjustable time delay 0.3-30s incl. optional restart time delay 1-300s.
Optional memory function, 2x output contact
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Low Stock |
MOQ: 0 |
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Mfr. Part No. WS Part No. |
Monitoring voltage relay
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Low Stock |
MOQ: 0 |
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Mfr. Part No. WS Part No. |
Monitoring voltage relay
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Low Stock |
MOQ: 0 |
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Mfr. Part No. WS Part No. |
Monitoring voltage relay
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Low Stock |
MOQ: 0 |
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Mfr. Part No. WS Part No. |
3-wire; monitors: adjustable UV, phase failure/sequence; 3x575V
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Low Stock |
MOQ: 0 |
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Mfr. Part No. WS Part No. |
3-wire; monitors: adjustable UV, phase failure/sequence; 3x480V
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Low Stock |
MOQ: 0 |
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Mfr. Part No. WS Part No. |
3-wire; monitors: adjustable UV, phase failure/sequence; 3x400V
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Low Stock |
MOQ: 0 |
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Mfr. Part No. WS Part No. |
3-wire; monitors: adjustable UV, phase failure/sequence; 3x240V
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Low Stock |
MOQ: 0 |
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