Voltage Relays Dealers in Bangalore

Features Software based design Trips on neutral snap Programmable Active / Inhibit facility Programmable Rated voltages Wide range of time delay setting   Principle of Operation: JNV 026 measures and displays 3 phase voltages (R,Y,B phases). It calculates percentage of unbalance voltage and if it exceeds the set unbalance voltage, the relay operates after the elapse of operating time. Under voltage fault will be detected when voltage on any phase is less than the set Under voltage limit, the relay operates after elapse of under voltage operating time. Over voltage fault is detected when voltage on any phase is more than the set Over voltage limit, the relay operates after elapse of over voltage operating time. Neutral snap will be detected when Neutral is disconnected.

Meeting the demands of customers as a manufacturer, supplier, exporter and trader, we are offering Numerical Voltage Relay. Keeping in mind the protection of power plants and feeders, these relays are applicable in protection of motor & generators and main or backup protection. Appreciated for longer functional life and integrated draw out system, our offered relays are provided with modular integrated draw out system and nonvolatile memory for data retention. Features: Long functional life High speed Integrated draw out system Details: IDMT & Definite time characteristics Negative phase sequence detection High Pickupdrop off ratio Modular Integrated draw out system Nonvolatile memory for data retention Wide range of system voltages High speed feature for under voltages and over voltages 2 line, 16 character back-lit LCD display and key pad Very low burden on measurement and Aux circuits Accurate and reliable measurement of voltages Field selectable system voltages Specifications: System Voltage 380V, 400V, 415V and 433V-3Ph 4W Frequency Range 45 Hz to 65 Hz Pick-Up Over Voltage-101% of Set Value Under Voltage-99% of Set Value Drop-Out Over Voltage 1% Below Pick-Up Voltage Under Voltage-1% Above Pick-Up Voltage Response Time >) for >25% (0.0-5.0 Sec) in Steps of 0.1 Time for Higher Set (UV) (0.0-5.0 Sec) in Steps of 0.1 Applications: Protection of motor and generators Main or backup protection For detection of OV&; UV in power plants and distribution system Protection of transformer panel & Capacitor control panel

• Brand Name: Schneider Electric
• Number of Poles: 2 Pole, 3 Pole, 4 Pole
• Usage/Application: Control Panel
• Type: High Voltage Relay
• Contact Form: DPDT, SPDT
• Coil Type: Latching, Non Latching

In motors operating at low loads, failure of any one phase causes over voltages, whichmay cause rupture of insulation leading to motor burn out. Low voltage will causesynchronous motors to come out of synchronism at 75% of rated voltage. Inductionmotors may stop when voltage falls below 70%. Over voltages may occur due todefective voltage regulator, over speeding, caused by sudden drop in load on account ofthis di-electric property deteriorates. In single phase supply low voltage may cause overload on supply cable and thermal damage to insulation of windings. Specification Protection of synchronous and induction motors of any HP rating Protection of generators, AMF switch Boards Transformer feeder panel Distribution boards Voltage regulators Protection f or UPS and single phase applications

The single-phase overvoltage relay basically comprises a tapped input transformer fitted with a plug-bridge, a potentiometer, a level-detector and a dry-reed repeat element. When the relay setting is exceeded, the level detector triggers and so energizes the repeat element. The single-phase undervoltage relay is similar to the above but is maintained operated and .drops off. when the monitored voltage falls below the relay setting.The three-phase relays comprise of three of the above elements.

• Brand Name: Schneider Electric
• Voltage: 24 V-400 V
• Number of Poles: 4 Pole
• Special Features: Mono stable DC relay, Basic body made of plastic, Mechanical switching cycles 5*106 max, Switching frequency max. 3 / sec, Disconnection / isolation voltage 5000 VAC max, Breaking capacity 5000 VA max
• Technical Specifications: Status indicator with LED (RL 42 only), Extinguishing diode for exciting coil, Space saving mounting
• Usage/Application: Control Panel
• Type: High Voltage Relay
• Current: 10A

• Brand Name: Avana
• Rated Voltage: 110 V AC

• Voltage: 415 V
• Number of Poles: 3 Pole
• Usage/Application: Control Panel
• Type: Undervoltage relay
• Contact Form: SPDT
• Model Name/Number: SL92268
• Coil Type: Latching
• Current: 120 Watt

We offer numerical under over voltage protection relay. Mvt 181 is a numerical true rms single pole relay consists of two elements. Each element can be selected for under voltage function or over voltage function or switched off. The characteristics setting, voltage setting and time multiplier setting are independently settable for each element and the voltage setting is in terms of voltage. Hence this relay can be used as a two stage under voltage or two stage over voltage protection. multiple characteristics: there are four operating characteristics for over voltage function and two operating characteristics for under voltage function

We are offering numerical unbalance voltage relay. Features software based design trips on neutral snap programmable active inhibit facility programmable rated voltages wide range of time delay setting.

• Brand Name: Prok dv's
• Aux Voltage: 85 to 275V A C/DC
• Indication: Display of the Magnitude and nature of fault by LCD an d LED indication for relay trip
• Model Dimension: 144x144x120mm [H x W x D]
• Cut Out Dimension: 137 mmx137mm

• Brand Name: Rishabh Instruments
• Voltage: I/P 600V L-L
• Usage/Application: Control Panel
• Model Name/Number: Rish Relay V
• Type: Undervoltage relay
• Current: 5A
• Accuracy: 0.5
• Ambient Temperature: -10 to +55 Deg C
• Approval: CE,ROHS,UL
• Breaking Capacity: 2X Rated Value for 1Sec
• Contact Configuration: 5A 250V AC/ 30V DC
• Power Supply: Aux 230V AC/DC or 60-300V AC/DC
• Protection Category: IP 20 (Front Face only)
• Weight: 300g Approx

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