Well-known in the industry as a manufacturer, supplier, exporter and trader, we are engrossed in offering Digital Frequency Relay. Provide continuous display of the measured frequency, these relays are applied as backup protection for mechanical...
Specialities : Over / Under Frequency protection,Over / Under Voltage protection etc.
Three-Phase Frequency Relay with dfdt & dvdt Control Over Under Frequency protection, Over Under Voltage protection, dfdt protection, dvdt protection, Up to 16 user programmable output relays, Event recording, Modbus Communication Protocol...
Reduced values are valid
in case of repeat testing casing : Does not apply to the terminal connected to a common Aux supply.
Reference frequency : 4 MHZ
AC voltage rating : 110,220 VAC
Operating voltage range
: 33 to 135 V the relay is block
below this limit
Guaranteed operation : – 10 + 55° C
Timer Range
: .05 to 7.35 Sec. for under & over
Frequency stage.
Contacts in relay
: 3 pair of N/O contact make & carry
7500 VA for 0. 25 with maxima of
30 A & 300 VAC or DC Carry contentiously 5 A AC/DC. Break 1250 VA AC/50 W DC resistive, 25 W L/R
= 0. 04 S. Subject to maxima of 5A & 300 V
Aux DC (without tripping relays) : 11 W for 4 stages
Operations of the relay can be tested by means of a test, button which energies the output relays & LED’s after set time delay with the channels set to underover frequency operation. Access to the test push button requires removal of the front...
We follow strict quality strategy, guidelines and thus, to sustain good quality standards, we carry out stern examination of the raw inputs used at the initial stages. Consider our name for acquiring qualitative products in any quantity, safe and...
Generator and captive power plant Over frequency relay applied as backup protection for mechanical over speed devices to avoid damages to prime mover Under frequency relay applied to protect field winding from excessive current, over regulator from...
This unit monitors the frequency of a single phase supply and operates a relay if the frequency goes above or below set levels. LEDs indicate power on and trip status. Two changeover, volt-free relays are fitted.Front panel controls allow selection...
Features Two stage of frequency protection Digital display of line frequency Draw out case 144x144 mm Principle of Operation: The JRF 014 is microprocessor based frequency relay The relay can be configured for 2 stage under frequency relay, two...
This project monitors the frequency fluctuations in power system and detects them. therefore we have designed a microcontroller based underover frequency relay. the under-frequency relay is used for automatic load shedding and restoration. the...
• Smart design to fit on any standard mounting channel. • Choice of screw less terminals •Total wireless interiors • + 2% Accuracy • Test & Auto/Manual Reset facility • Designed for high reliability, as relay energizes only under...
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