Ashida ADR141C - Page 15

NUMERICAL OC/EF PROTECTION RELAY ADR141C/241C
ASHIDA Electronics Pvt. Ltd.
Ref: Manual / ADR141C / 241C
Issue: 04D
Date : 10.07.2014
Page 15/86
Environmental tests:
13. Cold test Storage test : IEC 60068-2-1
14. Dry heat test : IEC 60068-2-2
15.
Damp heat test, steady
state
: IEC 60068-2-3
16. Damp heat test, cyclic : IEC 60068-2-30
Mechanical tests
17. Vibration
: IEC 60255-21-1 class 1
: Frequency Range = 10Hz – 150Hz, acceleration. = 1gn (9.8
m/s2)
: Sweep rate 1 octave/min; 20 cycle in 3 orthogonal axis.
18.
Bump Test : IEC 60255-21-2 Class-1
: 1000 bumps of 10gn peak acceleration and 16ms pulse
duration in each of the two opposite direction per axis as per
IEC 60255-21-2 class 1 No. of axes . 3.
19.
Shock Withstand : IEC 60255-21-2 Clas-1
: 3 shocks of 15gn peak acceleration and 11ms pulse in each
of two opposite direction . No. of axis : 3
20.
Seismic Test : IEC 60255-21-3
: In single axis sine sweep in X-axis
sweep (@a sweep rate of 1 octave/minute) vibration in the
frequency range (5-40 Hz) at amplitude of 3.5mm or 1.0gn
(whichever is less)
: In single axis sine sweep in Y-axis
- sweep (@a sweep rate of 1 octave/minute) vibration in the
frequency range (5-40 Hz) at amplitude of 1.5mm or 0.5gn
(whichever is less)