Phase Protection Relay - RISH Relay-PHR -
RISH Relay - PHR monitors AC voltage
of a system/equipment and protects it
from phase failure issues. Suits applications
such as Control close loop operations,
Conveyor system, motor protection from faults
like incorrect phase sequence, unbalance
in phase or loss of phase.
True RMS measurement
Self Powered
Compliance to International Safety standard IEC 61010-1-2010
Well suited for 3PH 3W and 3PH 4W applications
For more details please refer datasheet.
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Current Protection Relay - RISH Relay - AR -
RISH Relay-AR monitors AC current
of a system/equipment and protects it
from overcurrent, undercurrent and
current unbalance.As well as it
indicates the occurrence of faults with help of LED
indications. It is a potentiometer based relay thus it
is easy to programme trip points and time delays.
Over,Under Current & Current Unbalance Protection
Nominal current can be set from 1A - 5A on-site
Compliance to International Safety standard IEC 61010-1-2010
LED indication on & faults Under,Over,Current unbalance
For more details please refer datasheet.
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Voltage Protection Relay - RISH Relay - VR -
RISH Relay-VR monitors AC voltage of
a system/equipment and protects it from overvoltage,
undervoltage and phase failure issues.
As well as it indicates the occurrence of
faults with help of LED indications.
Compact size : Width of 17.5 mm
True RMS measurement
LED indication for faults
Disabling of Over & Under Voltage fault on site is possible
Onsite selection of VLL / VLN value based tripping
Adjustable Nominal voltage,Trip point,Trip time delay
Compliance to International Safety standard IEC 61010-1-2010
For more details please refer datasheet.
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Digital Line Monitoring Relay - RISH Relay-V/Hz -
RISH Relay-V/Hz is a protective control device
that measures and protects against over and under
current or voltage. It can also protect against
phase unbalance,phase sequence detection and phase failure.
Phase incorrect sequence protection
Over frequency protection
Under frequency protection
4 Digits ultra bright 7 Segment LED Display
Trip Relay cum DPM with Class 0.5
True RMS measurement
Previous fault Storage
LED Indication
For more details please refer datasheet.
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Earth Leakage Protection Relay - Rish ELPR -
RISH ELPR is earth leakage relay(ELR),
a protection device to be used in electrical
installations against electric shock and/or
damage to equipment caused by punctured or
weak insulations or contact to live parts.
Instrument operates by monitoring the earth
leakage current through CBCT and disconnecting
circuit in case of hazardous levels of earth leakage currents.
RISH ELPR is available in two versions, Smart and Smart+
Onsite Programmable
Bargraph Indication
CBCT Open status Detection
For more details please refer datasheet.
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Current Protection Relay - Rish Relay-I -
In auto mode Rish Relay-I automatically clears itself.
If the device set into manual mode,
the device must be manually reset by
push button through display if it goes into fault.
Over current protection with IDMT curve
Current loss protection
Current unbalance protection
4 Digits ultra bright Seven segment LED Display
Trip relay cum DPM with Class 0.5
Previous fault Storage
Instrument memorizes the last 15 fault occurre
For more details please refer datasheet.
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Temperature Trip Relay - Hot- Spot 3 Relay -
The Rishabh temperature trip relay has been designed
to monitor three separate temperature zones in large
electric motors, transformer winding or any
temperature conscious equipment such as process
lines gas turbines or engine driven generating sets,
using Resistance Temperature Detectors (RTDs).
Up to three RTD inputs
1mA analogue output
Three adjustable set points
Internal differential
Three single-pole relay contact
For more details please refer datasheet.
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Current Protection - AC Current Relay -
The Rishabh AC Current Protectors provide
continuous surveillance of the monitored circuit.
When the measured current moves outside
the set point limit, the relay will operate.
Adjustable setpoint
Adjustable time delay
Internal differential(factory Settable)
LED trip indication
2 pole relay contacts
Energize/De-energize function swapping
Auto Reset
For more details please refer datasheet.
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AC Voltage Protectors - AC Voltage Relay with Adjustable Differential -
The Rishabh AC Voltage Protectors provides
continuous surveillance of the monitored circuit.
When the measured voltage moves outside the set
point limit,the relay will operate giving
an alarm and or initiation signal.
Adjustable setpoint
LED trip indication
2 pole relay contacts
Adjustable differential
Energize/De-energize function swapping
Internal time delay (factory setable)
For more details please refer datasheet.
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Protective Relay - AC Voltage Relay with Adjustable Time delay -
An AC voltage relay with an adjustable time delay
provides continuous surveillance of a circuit.
When the monitored voltage moves outside the
setpoint limit, the relay will operate after
the selected time delay, giving an alarm
and/or initiation signal.
Adjustable setpoint
Adjustable Time Delay
Internal differential (factory Settable)
2 pole relay contacts
Energize/De-energize function swapping
For more details please refer datasheet.
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Protective Relay - Combined Under / Over Voltage & Frequency Relay -
A combined under/over voltage and frequency relay
is a protective relay that can help ensure that
electric motors run at the correct speed.
When the voltage or frequency is within the setpoint,
the relay will be energized. When the voltage
or frequency goes above or below the setpoint,
the relay will de-energize.
LED trip indication
2 pole relay contacts
Energize/De-energize function swapping
Auto Reset
For more details please refer datasheet.
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Static Relay - Synchro-check Relay -
The Synchro-check relay can be used to assist
in the semiautomatic paralleling of two ac power systems.
The Rishabh Paralleling protector provides
manual/automatic switching of generator to busbar
without damage or disturbance to the system.
the relay will de-energize.
LED trip indication
Two pole relay contacts (optional)
Adjustable synchronizing set points
Live and Dead bus versions
For more details please refer datasheet.
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Static Relay - Phase Balance Relay -
A phase balance relay is a device that monitors
a three-phase AC power supply and can trip if
it detects a fault condition. It can also detect
phase loss and unbalance in systems that use motors,
generators, transformers, and heater elements
The phase unbalance feature will protect
motors of any size against:
Excessive temperature rise due to unbalanced supplies
The regenerated voltage generated during a single
phase failure when running at low load.
For more details please refer datasheet.
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Static Relay - Reverse-Power Relay -
The Rishabh Reverse Power Protector provides
continuous surveillance for a.c. generators
operating in parallel or for boosting mains supplies.
On site adjustment of the trip point and time delay
ensures accurate protection against “motoring’
in the event of engine failure and prevents tripping
from surges during synchonising.
Generator Set Protection- For detecting loss of the
prime mover ( engine )and preventing motoring.
Feeder protection - To Detect reverse power
under fault conditions.
For more details please refer datasheet.
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Static Relay - Transducer Trip Relay -
The Rishabh transducer trip Relay will accept
analogue signal from most measuring transducer
and transmitters, in the form of
d. c. voltage or currents.
Applications:
Forward / Reverse Watts
Under / Over Watts
Forward / Reverse VAr
Under / Over VAr
Under / Over VA
For more details please refer datasheet.
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Static Relay - Motor Protection Relay -
MPR is an auxiliary relay and it should be used
along with the motor starter only.
The effective working of MPR will depend on efficient
working of electromagnetic motor starter.
Before installing MPR check whether the motor starter
is operating perfectly by starting the motor with"START"
push button and switching it off by "OFF" push button.
Automatic, manual & remote reset available
LED indication for Trip & Power ON
Polycarbonate casing (UL 94 V-0)
Protective clear terminal cover (UL 94 V-0)
For more details please refer datasheet.
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Static Relay - Earth Fault Relay -
The relay is provided with settable EFR,
current trip settings & settable trip time delay.
Relay energises on fault condition.
External CTs to be installed along with EFR,
of secondary rating of 5 A or 1 A, can be selected
via terminal 1 & 2 or 1 & 3 respectively.
When the Aux power is applied to the EFR inside
relay remains in de-energised condition.
When input current exceeds Earth Fault set level the
relay energises after set trip time delay.
Detection of Earth leakage
For more details please refer datasheet.
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