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1, Chandney Chawk Street, Kolkata-700072
9830059416
033 2215 2351 / 4004 6507
heraldcorpn@gmail.com
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1, Chandni Chawk Street, Kolkata-700072
LEADING PROVIDER
OF INDUSTRIAL SOLUTIONS
PRODUCT BEST RATE
NO. 1 EASTERN INDIA
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LEADING PROVIDER
OF INDUSTRIAL SOLUTIONS
PRODUCT BEST RATE
NO. 1 EASTERN INDIA
Toggle navigation
Home
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Electronic Automation
Timer
Preset Production Counter
Time Switch
Tacho Meter
Energy Management System
Monitoring & Motor Protection Devices
Annunciator
Power Supply Module
Temperature Controller
C & S Electric
Low Voltage Products And Solutions
Final Distribution Products
Protection & Measurement Devices
Power Busbars
Relay
Medium Voltage Products
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MRI1-IR-SR/ER
Directional Overcurrent & Earth fault/IDMT Relay : MRI1-IR-SR
IDMT
Relay
Range
Rated data : Nominal current IN 1A or 5A, Nominal voltage UN 100 V, 230 V, 400 V, Nominal frequency fN 50 Hz; 60 Hz adjustable
Power consumption in current circuit : at IN = 1 A 0.2 VA, at IN = 5 A 0.1 VA
Power consumption in voltage circuit : < 1 VA
Thermal with stand in voltage circuit : continuously 1.5 x UN
GL-Approbation : 98776-96HH
Bureau Veritas Approbation : 2650 6807 A00 H