Entec EVRC2A-N6-NT - 2.2. Type Withstand Tests

RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr
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ENHANCED TECHNOLOGY
2.2. Type Withstand Tests
Dielectric Strength
y CT inputs, VT inputs, Control Power inputs, Opto-isolated inputs and Relay outputs
 2㎸(60㎐) for 1 minute
Impulse Voltage
y IEEE C62.45 (1992) Withstand Capability of Relay Systems to Radiated Electromagnetic
Interference Transceivers, 6㎸(1.2×50㎲), 3㎄(8×20㎲)
Surge Withstand Capability
y IEEE C37.90.1 - 1989 IEEE SWC Tests for Protective Relays and Relay Systems
(3㎸ oscillatory 1㎒ to 1.5㎒, 5㎸ fast transient 1.2×50㎲)
y IEEE C37.90.2 - 1987 IEEE Trial-Use Standard, Withstand Capability of Relay Systems to
Radiated Electromagnetic Interference from Transceivers, 10 V/m
(150㎒ and 450㎒, 5 W transmitter 10㎝)
Vibration Test
y IEC 255-21-1 - 1988 Electrical relays, Part 21 : Vibration, shock, bump, and seismic tests on
measuring relays and protection equipment, Section One - Vibration tests (sinusoidal), Class 2.
Control Operating Temperature
y Operating range : -25℃∼+70℃(-13℉∼+158℉)
y LCD : -20℃∼+70℃(-4℉∼+158℉) - standard
y VFD : -40℃∼+85℃(-40℉∼+185℉) - option(Vacuum Fluorescent Display)