Mahesh Engineering Services

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Home Our Products Switchgear Products GIC Monitoring Devices

GIC Monitoring Devices

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Voltage Monitoring

VOLTAGE MONITORING SERIES SM 175

  • Compact 17.5 mm wide
  • Protects against Phase Loss, Phase Reversal & Phase Asymmetry
  • Multi-voltage from 3 x 208 to 3 x 480 V
  • Selectable Under voltage / Over voltage / Asymmetry levels
  • Selectable Under Voltage / Over Voltage & Asymmetry
  • LED indication for all faults & for change in settings during run time for better security
  • Adjustable time delay

VOLTAGE MONITORING SERIES SM 301

  • Protects against Phase Loss, Phase Reversal and Phase-Phase Unbalance
  • No auxillary supply needed
  • Voltage sensing principle
  • 1 C/O & 2 C/O Configurations
  • Designed to meet Industrial and Agricultural segment applications

SUPPLY MONITORING SERIES SM 500

  • Protects against Phase Loss, Phase Reversal and Phase-Phase Unbalance
  • Can be configured for 3 Phase 4 Wire or 1 Phase system
  • Selectable Over/Under voltage trip level
  • Selectable Time Delay
  • LED indications for power and fault conditions
  • Voltage sensing principle
  • 1 C/O or 2 C/O Configuration

VOLTAGE MONITORING SERIES SM 501

  • Protects against Phase Loss, Phase Reversal and Phase-Phase Unbalance
  • Suitable for 3 Phase 3 Wire system
  • Selectable Under Voltage / Ovder Voltage Trip level
  • Selectable Time Delay
  • Models for Selectable Phase Asymmetry
  • LED indications for power and fault conditions
  • Voltage sensing principle

Current Monitoring

SUPPLY MONITORING SERIES CMR - CURRENT CONTROL

  • Protection against Overload, Phase Loss, Phase Reverse and Phase Unbalance faults
  • Wide range of sensing current : 1A - 45A
  • Models for 1 Phase and 3 Phase systems
  • Auto / Manual Reset selection
  • Fail - safe protection
  • Inverse time model with underload, locked rotor protection and selectable trip class
  • Definite time model with underload and selectable start and trip time

Earth Leakage Ralay Series CMR

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EARTH LEAKAGE RELAY SERIES CMR

  • Monitors, Detects and Protects Power systems from Leakage faults
  • Wide Auxiliary Supply range: 110 - 240 VAC, 220 - 415 VAC
  • Wide Range of selectable Earth Leakage Current: 60 mA - 300 mA, 0.2A - 1.2A
  • Configurable Earth Leakage Trip time: 100 ms - 5 s
  • Easily configurable operating modes
  • Test feature to check complete product functionality
  • Manual / Remote reset feature
  • LED indication for Relay status, CT open, Earth leakage fault & Test/Reset switch feature

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EARTH LEAKAGE RELAY 30MA-30A

  • Monitors, Detects and Protects Power systems from Earth Leakage Faults
  • Wide range of selectable Earth Leakage Current: 30 mA - 30 A
  • Configurable Earth Leakage Trip time: 0 - 10 s
  • Wide Auxiliary Supply Range: 110 - 240 V AC / 110 V DC, 220 - 415 V AC / 220 V DC
  • Instantaneous Trip for 5 times of set value of Leakage current
  • Test feature to check complete product functionality
  • LED Indication for Relay status, CT open, Earth Leakage fault & Test/Reset switch feature
  • Manual / Remote Reset feature
  • 1 C/O + 1 NO Relay Output

FREQUENCY MONITORING

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FREQUENCY MONITORING SERIES PD 225

  • Wide Auxiliary Supply voltage Range: 110 - 240 VAC, 220 - 440 VAC
  • Models for Over Frequency and Under/Over Frequency Monitoring
  • Monitors frequency of three signals - Sine, Square & Triangular
  • Model for Frequency Limit Control: 5 Hz to 135 Hz
  • Wide Signal Input Voltage: 15 to 500 VAC
  • Ease of Frequency setting with simple Addition & Subtraction
  • LED indications for healthy, unhealthy & no signal conditions

TEMPERATURE MONITORING

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PTC THERMISTOR RELAY SERIES PD 225

  • Monitors and Protects Motors with Integrated PTC Resistor sensors
  • Protection against Over heating for Heavy Duty Load, High Switching Frequency, High operating temperature & Insufficient cooling conditions
  • Wide Auxiliary Supply Voltage: 24 VAC/DC, 110 - 240 VAC & 220 - 415 VAC
  • LED Indications for Healthy, Unhealthy, Sensor Open/Short conditions
  • 1 C/O & 2 C/O Configuration
  • Reset Options: Auto, Manual and Remote

PTC THERMISTOR & SINGLE PHASING PREVENTER SERIES PD225

  • Thermistor Relay combined with Protection against Phase Sequence, Phase Loss & Phase Asymmetry Faults
  • Monitors and Protects Motors with Integrated PTC Resistor sensors
  • Protection against Over heating for Heavy Duty Load, High Switching Frequency, High operating temperature & Insufficient cooling conditions
  • LED indications for Healthy, Unhealthy, Sensor Open/Short and Phase Sequence fault conditions

EQUIPMENT ROOM TEMPERATURE CONTROL RELAY

  • Provides protection against variations of the ambient temperature (min/max) in equipment or lift rooms
  • Suitable for use in Traction and Hydraulic Lift Types
  • Supports an External sensor module
  • LED Indication for Relay Trip & Power ON

LEVEL MONITORING

LIQUID LEVEL CONTROLLER

  • Fully Automatic operation enabling both draining and filling simultaneously with a single device
  • Adjustable sensitivity level from 1k to 200k Ohm
  • Includes provision for Manual start
  • Protects submersible pumps against dry running and prevents overfilling
  • Enables maximum utilization of incoming liquid (eg. water) supply
  • Specially designed corrosion and shock resistant sensors to ensure trouble free operation.




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Mahesh Engineering Services.

Plot No. 1497, Shamrao Kapadi Complex, Opposite HDFC Bank, Konda Lane, Laxmipuri, 
Kolhapur - 416002, Maharashtra, India.

Phone Lines : 0231 - 2644990 | 2644991 | 2644992
Email : sales[ at] maheshengg.com | www.maheshengg.com

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Last Updated on Wednesday, 22 March 2017 13:43