Voltage monitoring

Items per page:

Voltage monitoring relay Selec 900VPR-2-280/520V-CE

Monitoring relay, Features: Undervoltage/Overvoltage protection for 3-phase systems, True RMS measurement, Time functions: Power ON/Trip time/Recovery time delay (0-99.9 s), Additional features: Alarm display; Locking; Reset, 3-digit LCD with backlight, Built-in current transformer, Adjustable switching hysteresis, Alarm output: 2 x NO/NC, Supply voltage: Self-supporting, Dimensions: 35 x 90 x 70.5 mm, Mounting: 35 mm DIN-rail, Terminal connection

Item number: 104293

£29.81

plus VAT plus dispatch

in stock

Shipping the next working day

Compare items

Voltage monitoring relay Selec 900VPR-BL-U-CE

Monitoring relay, Features: Undervoltage/overvoltage protection incl. Neutral conductor failure for 3-phase systems, True RMS measurement, Time functions: Power ON/Trip time/Recovery time delay (0-300 s), Additional features: Alarm display; Locking; Reset, 3-digit LCD with backlight, Built-in current transformer, Adjustable switching hysteresis, Alarm output: 2 x NO/NC, Supply voltage: 85-270 V AC/DC, Dimensions: 35 x 90 x 70.5 mm, DIN-rail mounting, Terminal connection

Item number: 103527

£37.72

plus VAT plus dispatch

in stock

Shipping the next working day

Compare items

Voltage monitoring relay Selec VPRA2M-CE

Monitoring relay, Features: Undervoltage/Overvoltage protection for 1 and 3-phase systems, Time functions: Power ON/Tripping/Response time delay, Additional features: Alarm display; Reset. Analogue, Input voltage: 230 V AC, Dimensions: 35 x 90 x 60 mm, Mounting: 35 mm DIN-rail, Terminal connection

Item number: 104295

£17.48

plus VAT plus dispatch

in stock

Shipping the next working day

Compare items

Voltage monitoring relay TELE E1PF400VSY01 - 1340300

Monitoring relay for 3 phase networks, Features: Undervoltage monitoring for AC voltage in 3-phase networks/Phase sequence, Phase failure and asymmetry monitoring with adjustable asymmetry/Connection of the neutral conductor optional, Tripping delay: fixed/approx. 100 ms, Rated voltage: 250 V AC, 1 x Change over contact, Terminal connection

Item number: 104203

£55.11

plus VAT plus dispatch

in stock

Shipping the next working day

Compare items

Voltage monitoring relay TELE E1YM400VS10 - 1340405

Monitoring relay for 1 and 3 phase networks, Features: Undervoltage monitoring (UNDER)/Undervoltage and phase sequence monitoring (UNDER+SEQ)/Monitoring of the window between Min and Max (WIN)/Monitoring of the window between Min and Max and monitoring of phase sequence (WIN+SEQ), Tripping delay: 0-10 s, 1 x changeover contact, Rated voltage: 250 V AC, Terminal connection

Item number: 103562

£81.88

plus VAT plus dispatch

in stock

Shipping the next working day

Compare items

Voltage monitoring relay TELE E3YM400VSY20 - 1341408

Monitoring relay for 1 and 3 phase networks, Features: Voltage monitoring with adjustable thresholds/adjustable tripping delay/monitoring of phase failure; Phase sequence and asymmetry with adjustable asymmetry/Undervoltage monitoring (UNDER)/Undervoltage monitoring and monitoring of phase sequence (UNDER+SEQ)/Monitoring the window between Min and Max (WIN)/Monitoring of the window between Min and Max and monitoring of phase sequence (WIN+SEQ), Tripping delay: 0-30 s, 2 x change over contacts, Rated voltage: 250 V AC, Terminal connection

Item number: 104204

£109.48

plus VAT plus dispatch

in stock

Shipping the next working day

Compare items

Voltage monitoring relay TELE G2PM400VSY20 24-240VAC/DC - 2390505

Monitoring relay for 3 phase networks, Fusing: 5 A fast acting, Features: Undervoltage monitoring (UNDER)/Undervoltage and phase sequence monitoring (UNDER+SEQ)/Monitoring of the window between Min and Max (WIN)/Monitoring of the window between Min and Max and monitoring of phase sequence (WIN+SEQ), Tripping delay: 0.1-10 s, 2 x changeover contacts, 24-240 V AC/DC, Terminal connection

Item number: 104207

£137.08

plus VAT plus dispatch

in stock

Shipping the next working day

Compare items

Voltage monitoring relay TELE V2PF480Y/277VSY01 - 2100000

Monitoring relay for 3 phase networks, Fusing: 8 A fast acting, Features: Phase sequence/Phase loss/Symmetry monitoring, Time functions: Start-up delay approx. 400 ms/Tripping delay < 250 ms, 1 x change-over contact, 208-480 V AC, Terminal connection

Item number: 104208

£42.50

plus VAT plus dispatch

in stock

Shipping the next working day

Compare items

Voltage monitoring relay TELE V2UM230V10 - 2100300

Monitoring relay for 1 phase networks, Fusing: 8 A fast acting, Features: Undervoltage monitoring (U)/Window function (WIN), Time functions: Start-up delay approx. 300 ms/Tripping delay 0.1-10 s, 1 x changeover contact, 24 V DC/230 V AC/DC, Terminal connection

Item number: 104209

£64.03

plus VAT plus dispatch

in stock

Shipping the next working day

Compare items

Items per page: