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Protective Relays Above 10000

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₹21,239 - ₹27,139
You save ₹411!
1.49% OFF
The Schneider Electric Residual Current Protection Relay RH99M Type 50/60 Hz is a sophisticated electrical protection device used primarily to detect and respond to residual currents in AC power systems operating at frequencies of 50 or 60 Hz. Residual currents are imbalances in electrical currents that occur when leakage to ground or through a person occurs, posing significant electrical safety risks. Key features of the Schneider Electric RH99M Residual Current Protection Relay include its capability to continuously monitor the residual currents in the electrical system. It is designed to swiftly detect even small imbalances between the live and neutral conductors, which can indicate a fault or leakage scenario. The relay is programmable and adjustable, allowing for precise configuration to match specific installation requirements. This flexibility ensures optimal performance without unnecessary tripping. Upon detecting a residual current above the preset threshold, the RH99M relay initiates a protective action, such as activating an alarm or tripping the circuit breaker. This rapid response helps prevent electric shocks, fire hazards, and equipment damage. The RH99M is suitable for various industrial, commercial, and residential applications where electrical safety is paramount. It complies with international standards and regulations, ensuring reliability and adherence to safety protocols. Overall, the Schneider Electric Residual Current Protection Relay RH99M Type 50/60 Hz provides essential protection against residual currents, enhancing the safety and reliability of electrical installations.
green checkApplication : Protection
green checkType of Product : Residual Current Protection Relay
green checkMounting Type : DIN Rail
green checkType : RH99M
green checkRange : VigiPacT
green checkMinimum Load : 10 mA at 12 V
green checkThermal Current : 8 A
green checkMaximum Power Consumption : 4 VA
green checkSensitivity : 0.03-30 A
₹2,359   ₹2,697
You save ₹338!
12.53% OFF
The Motor Protection Relay is a device that protects electric motors from overload and short-circuits. Overload occurs when the load on the motor exceeds its actual rating, which can cause the motor to overheat. Short-circuiting occurs when a metallic conductor, such as a bolt or screw, comes into contact with the motor terminals and creates a path for current to flow. The MP detects these conditions and switches off the circuit, preventing damage to the motor from occurring. Relays can be initiated in a variety of ways, but they all provide the same basic protection: when the current flowing through the motor reaches a certain level, the relay senses and responds to that level. The response is usually to divert current flow away from the motor and into an alternate form, such as a heat sink or an overcurrent protector that will disconnect power entirely. This is done to prevent damage to the motor itself. A motor protection relay is a safety device that monitors the current, voltage and frequency of a single-phase AC motor and disconnects the power supply if the current exceeds the upper or lower setpoint. MPRs are especially useful when used on variable frequency drives (VFD) due to their ability to perform soft starts and stopping with variable torque loads. While they can be used anywhere a motor is used, they are commonly found on pumps and heating/cooling systems.
₹1,002   ₹2,999
You save ₹1,997!
66.59% OFF
The GENERIC Digital Voltage Protection with Auto Re-Connect LED Display White, AVP-63 is a critical component in electrical systems designed to protect equipment and circuits from voltage fluctuations, overvoltages, and voltage-related issues. This device serves as a safeguard against electrical faults, ensuring the reliability and longevity of sensitive equipment while minimizing downtime and costly repairs. One of the primary functions of the Voltage Device Protector Relay is to detect voltage irregularities and respond swiftly to mitigate potential damage. It continuously monitors the voltage levels within an electrical system, and when it detects anomalies such as overvoltage, undervoltage, or voltage spikes, it triggers protective measures to prevent harm to connected devices. Overvoltage protection is essential as it guards against voltage surges that can result from lightning strikes, power grid fluctuations, or other external factors. By instantly disconnecting or redirecting the excess voltage, this relay shields valuable equipment, including computers, industrial machinery, and electronic appliances, from potential damage. Similarly, undervoltage protection is vital to prevent voltage drops that can lead to equipment malfunction or shutdowns. The Voltage Device Protector Relay can automatically disconnect the load from the power source in case of prolonged undervoltage, ensuring that equipment operates within safe voltage limits. Another significant feature of this relay is its ability to provide time-delayed protection. In certain situations, momentary voltage fluctuations may occur without causing harm. The relay can be programmed to allow brief fluctuations while responding to prolonged voltage anomalies, reducing the risk of unnecessary equipment disconnection. Many Voltage Device Protector Relays are designed with remote monitoring and communication capabilities, allowing operators to receive real-time notifications and control the relay remotely. This feature is especially valuable for large-scale industrial operations and critical infrastructure, where rapid response to voltage issues is essential to prevent costly downtime. The reliability and precision of the Voltage Device Protector Relay make it an indispensable component in various sectors, including manufacturing, data centers, telecommunications, and healthcare. Its role in safeguarding electrical systems and equipment from voltage-related damage underscores its importance in ensuring uninterrupted operations and minimizing costly repairs and replacements.
₹2,359  
Selec's 600VPR-1-180/300V Voltage Protection Relay monitors the difference between input and output voltage. It prevents the voltage from getting too high or too low. The relay is constructed with a Polyester resin case that provides protection from harsh external environments. Its terminal block is sealed to prevent contamination of internal contacts, and it has an auto-reset function that resets the relay when power is turned off. This feature prevents it from being inadvertently left in an operating condition after maintenance. The relay's voltage threshold is adjustable via a potentiometer, allowing for control over the trip point. Its circuit includes a zero cross detection function, which prevents false triggering from switch contact bounce that can occur during switching surges. This protects against improper operation caused by voltage sags and spikes, as well as electromagnetic interference (EMI) and radio frequency interference (RFI). The relay can be used in a variety of applications including industrial control, motor control, commercial lighting systems, and any other application where over or undervoltage protection is necessary. The Selec 600VPR-1-180/300V Voltage Protection Relay monitors the voltage supplied to a load and provides an indication in the event that over or under voltage occurs. A variable trip time is available ranging from 0.25 sec - 20 sec depending on application requirements. This device can be used with other devices in Selec's range to connect multiple loads to a single supply, or alternatively it can be used with any other brand of device to monitor a separate load. The relay may be programmed to trip at any voltage between 180V AC - 300V AC (L1-L2) and will reset automatically when voltage returns within the specified parameters.
₹5,191  
L&T (Lauritz Knudsen) Electronic Motor Protection Relay 4-22 A Thermal Overload Range and 230 V AC Aux. Supply Voltage, EMPR150XBBO is engineered to provide dependable protection for electric motors operating in medium current ranges. This relay continuously monitors motor current to detect overload, phase imbalance, and other abnormal conditions that could damage equipment. The adjustable thermal overload range of 4-22 A allows precise setting according to the motor’s rated current, ensuring accurate protection. Operating with a 230 V AC auxiliary supply, the relay integrates efficiently into industrial motor control panels and automation systems. L&T (Lauritz Knudsen) Electronic Motor Protection Relay 4-22 A Thermal Overload Range and 230 V AC Aux. Supply Voltage, EMPR150XBBO incorporates advanced electronic monitoring technology that enables rapid detection of fault conditions and reliable tripping performance. This protection helps prevent overheating and extends motor service life while maintaining operational reliability. The relay’s compact design and durable construction support easy installation and consistent performance in demanding industrial environments. Suitable for machinery, pumps, compressors, and conveyor systems, it ensures effective motor protection and contributes to safe and efficient electrical system operation.
₹14,500  
L&T (Lauritz Knudsen) Electronic Motor Protection Relay With In-Built Display & Modbus RTU Communication and 1-5.5 A Thermal Overload Range, EMPR300ICAO is designed for intelligent motor protection and monitoring in modern industrial automation systems. The relay continuously monitors motor current and detects overload, phase failure, and abnormal operating conditions that could lead to equipment damage. Its adjustable thermal overload range of 1-5.5 A allows precise protection settings for small motors. The in-built display provides real-time operational information, enabling operators to easily monitor motor performance and system status. L&T (Lauritz Knudsen) Electronic Motor Protection Relay With In-Built Display & Modbus RTU Communication and 1-5.5 A Thermal Overload Range, EMPR300ICAO supports Modbus RTU communication, allowing seamless integration with PLCs, SCADA systems, and industrial monitoring networks. This connectivity enables remote diagnostics and improved control of motor operations. The relay’s advanced electronic sensing technology ensures fast detection of abnormal conditions and reliable tripping to prevent motor damage. Its compact design and durable construction make it suitable for installation in industrial control panels protecting pumps, conveyors, compressors, and automated machinery.
₹14,800  
L&T (Lauritz Knudsen) Electronic Motor Protection Relay With In-Built Display, 16-88 A Thermal Overload Range and 85-265 V AC Aux. Supply Voltage, EMPR300DCCO is engineered to provide advanced protection for medium and high capacity motors operating in industrial environments. The relay continuously monitors motor current and thermal conditions to detect overload, phase imbalance, and abnormal operating states that may lead to equipment damage. Its adjustable thermal overload range of 16-88 A enables precise configuration according to motor ratings. The in-built display offers clear real-time visibility of operating parameters and fault conditions. L&T (Lauritz Knudsen) Electronic Motor Protection Relay With In-Built Display, 16-88 A Thermal Overload Range and 85-265 V AC Aux. Supply Voltage, EMPR300DCCO operates with a wide auxiliary supply voltage range, ensuring compatibility with various electrical systems. The relay uses advanced electronic sensing technology to provide accurate monitoring and rapid tripping during overload situations. Its rugged construction ensures dependable performance in demanding industrial applications. Designed for easy panel installation, it is widely used to protect pumps, compressors, conveyors, and heavy machinery while supporting reliable motor operation.
₹11,091   ₹11,200
You save ₹109!
0.97% OFF
L&T (Lauritz Knudsen) Electronic Motor Protection Relay With In-Built Display, 1-5.5 A Thermal Overload Range and 85-265 V AC Aux. Supply Voltage, EMPR300DCAO is designed to provide intelligent monitoring and protection for small electric motors in industrial automation systems. This relay continuously measures motor current and detects overload, phase failure, and abnormal operating conditions that may affect equipment performance. The adjustable thermal overload range of 1-5.5 A allows accurate configuration according to motor specifications. Its in-built display provides clear real-time information on operating parameters, improving system visibility and simplifying troubleshooting. L&T (Lauritz Knudsen) Electronic Motor Protection Relay With In-Built Display, 1-5.5 A Thermal Overload Range and 85-265 V AC Aux. Supply Voltage, EMPR300DCAO operates with a wide auxiliary supply voltage range of 85-265 V AC, ensuring compatibility with various industrial power systems. The relay’s advanced electronic sensing technology ensures quick detection of overload conditions and reliable tripping to prevent motor damage. Its compact panel-friendly design enables easy integration into control cabinets. Suitable for pumps, conveyors, compressors, and automated machinery, it supports dependable motor protection and efficient operation in modern industrial environments.
₹12,800  
L&T (Lauritz Knudsen) Electronic Motor Protection Relay With Built-In Earth Fault Protection and 16-88 A Thermal Overload Range, EMPR300XBCO is designed to provide reliable protection for medium and high capacity motors used in demanding industrial operations. The relay monitors motor current continuously to detect overload, phase failure, and earth fault conditions that may lead to equipment damage. With an adjustable thermal overload range of 16-88 A, it allows accurate configuration according to motor ratings. The integrated earth fault protection feature improves system safety by detecting leakage currents and preventing hazardous electrical conditions. L&T (Lauritz Knudsen) Electronic Motor Protection Relay With Built-In Earth Fault Protection and 16-88 A Thermal Overload Range, EMPR300XBCO incorporates advanced electronic sensing technology to ensure precise monitoring and rapid response to abnormal conditions. This helps prevent overheating, insulation damage, and unexpected motor failure. Built with robust electronic components, the relay provides reliable performance in demanding industrial environments such as manufacturing plants and process industries. Its compact construction and easy adjustment make it suitable for installation in control panels protecting pumps, compressors, conveyors, and heavy-duty machinery.
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