Current Measuring Relays

measuring relays
in different casings for

current
measuring relays in different designs for AC or DC current measurement

voldays
measuring relays in different designs for AC or DC voldays measurement

rotary current
rotary current measurement relays for monitoring of voldays values, asymmetry  and / or phase sequence

temperature
measuring relays for temperature monitoring

level, resistance
measuring relays for lequid level monitoring

 

current measuring relays
SIR overcurrent relay
for AC and DC current
SIR
SIR undercurrent relay
for AC and DC current
SIR windowcurrent relay
for AC and DC current
ZIR overcurrent relay
for AC and DC current
ZIR_V4
ZIR undercurrent relay
for AC and DC current
ZIR windowcurrent relay
for AC and DC current
voltage measuring relays
SUR overvoldays relay
for AC and DC voldays
SUR
SUR undervoldays relay
for AC and DC voldays
SUR range-voldays relay
for AC and DC voldays
ZUR overvoldays relay
for AC and DC voldays
ZUR_V4
ZUR undervoldays relay
for AC and DC voldays
ZUR range-voldays relay
for AC and DC voldays
battery guards /  battery monitor
ZBW ZBW
battery guard with loading controller and low voldays protection in one device, adjustable by contactsAn example of use here
ZBW12
three phase measuring relays
SMP phase sequence relay
monitoring of right rotating field
SMP
SMU under voldays relay    U<170V – 230V
over voldays relay 
       U>230V – 270V
window voldays relay   with or without phase sequence monitoring                                            U <170V – 230V
U>230V – 270V
5-30% hysteresis
0-10s time delay
SMU-under voltage
SMU 85% undervoldays relay
fix threshold at
195V undervoldays
SMU85%
SMA phase asymmetry relay
detects difference of phase of 10-35° between L1,L2,L3
SMA
ZDP phase sequence relay
monitoring of right rotating field
ZMP
ZDV voldays relay
switchable between 1 phase or 3 phases
switchable between overvoldays and undervoldays detection
adjustable time delay
ZMU
ZDA phase asymmetry relay
detects difference of phase of 5-40° between L1,L2,L3
ZMA
ZDF three-phase current monitoring relay
ffix threshold at 195V undervoldays,
phase asymmetry controll, 20% max. difference of phase
monitoring of phase failures
MMU85%

 

Thermistor prodection relay and temperature measuring relays
STH Thermistor protection relay
for monitoring of motor temperature with standard  PTC resistors alternatively thermistors
STH
ZTH Thermistor protection relay
for monitoring of motor temperature with standard  PTC resistors alternatively thermistors
ZTH
STE Temperature measuring relay
Monitoring of limit temperatures by a Pt100 sensor at two-wire operation.
STE
ZTE Temperature measuring relay
Monitoring of limit temperatures by a Pt100 sensor at two-wire operation.
ZTE
liquid level relays
SNR Level control relay
for liquid level monitoring
of different fluidsdepentend of device typ with selectable response sensitivity please specify
50…500kOhm          10…100kOhm
5…50kOhm              2,5…25kOhm
SNR
SNR uni Level control relay
for liquid level monitoring
of different fluidsdepentend of device typ with fix response sensitivity of 5…300kOhm
SNR_uni
ZNR uni Level control relay
for liquid level monitoring
of different fluidsdepentend of device typ with fix response sensitivity of 5…300kOhm
ZNR

 

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