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Type Tests
P&B Engineering carry out a comprehensive
list of Type Tests on all its Protection and Control Products. These
IEC Tests include Functional, Climatic, Mechanical, Electrical and
Electromagnetic Compatibility
| F1 Functional Tests |
Internal Design Specifications &
IEC60255-6
IEC60255-3
|
Performance in line
with
Specification & Standards |
Climatic Tests
C1 Temperature Dry
Cold
(Relay operational) |
IEC60068-2-1 |
-20 deg C , 96 hours
|
C2 Temperature Dry Cold
Transportation & Storage |
IEC60068-2-1 |
-40 deg C, 96 hours |
C3 Temperature Dry Heat
(Relay operational) |
IEC60068-2-2 |
70 deg C, 96 hours |
C4 Temperature Dry Heat
Transportation & Storage |
IEC60068-2-2 |
85 deg C, 96 hours |
C5 Damp Heat Steady State
(Relay operational) |
IEC60068-2-3 |
93% @ 40 deg C , 56 days |
Enclosure
| C6 Enclosure |
IEC 529
|
front IP52 , rear IP00
|
Mechanical
(Relay operational)
| M1 Vibration
|
IEC60255-21-1
|
Class I
Vibration response (relay
operational)
10Hz-150Hz - peak displacement 0.035mm below 58/60Hz, 0.5g
above, 1 sweep cycle in each axis Vibration endurance (relay
de-energised)10Hz~150Hz 1g , 20 sweep cycles in each axis(160
minutes at 1 octave /min)
|
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M2 Shock & Bump
|
IEC60255-21-2
|
Class I
Shock response (relay
operational) 5g 11mS 3 pulse in each axis. Shock withstand (relay
de energised) 15g 11mS 3 pulses in each axis Bump. (Relay
de-energised) 10g 16mS 1000 pulses in each axis |
|
M3 Seismic
|
IEC60255-21-3
|
Class I
Method A single axis sine sweep. 1Hz~35Hz - below 8/9Hz 3.5mm
peak displacement horizontal axis, 1.5mm vertical axis above
8/9Hz 1g horizontal, 0.5g vertical 1 sweep cycle in each axis |
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Electrical
E1 Insulation resistance
>100MW |
IEC60255-5
|
500 Vdc , 5 sec between
all terminals & case earth, between terminals of independent
circuits including contact circuits and across open contacts |
|
E2 DC & AC Supply Voltage
(Relay operational)
|
IEC60255-6 |
Voltage range, upper & lower
limit continuous withstand , ramp up & down over 1 minute |
|
E3 Voltage Dips,
Short Interruptions &
Voltage variations immunity
(Relay operational)
|
IEC60255-11
IEC 1000-4-11 |
3 dips & 3 interruptions at 10 sec intervals of duration
between 10mS and 500mS at zero crossings & at other points
on wave variation:100% to 40% over 2s,hold for 1s, return
to 100% over 2s
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|
E4 Ripple in dc supply
(Relay operational)
|
IEC60255-11 |
12% ac ripple |
E5 Dielectric Test
(Relay de-energised)
No breakdown or flashover
Test voltage 45~65Hz
sinusoidal. Or with dc
voltage at 1.4x the stated ac
values |
IEC60255-5
|
Series C of table 1. 2.0 kV 50Hz
, 1 minute between all terminals & case earth. 2.0 kV 50Hz
, 1 minute between terminals of independent circuits including
contact circuits.1.0 kV 50Hz , across open contacts , 1 minute.2.5kV
50Hz, between terminals of CT Circuits and Earth |
|
E6 High Voltage Impulse
(Relay de-energised)
|
IEC60255-5 |
5 kV peak 1.2/50uS,0.5J
- 3 positive, 3 negative between all terminals to case earth
between independent circuits |
|
E7 VT input Thermal Withstand
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1.5x Vn , continuous |
| E8 CT input Thermal Withstand |
|
250xIn half wave 100xIn for 1 second
30 xIn for 10 second 4 xIn continuously |
| E9 Contact performance
& endurance tests |
IEC60255-14,15
IEC60255-23 |
Class IV
-4.0kv All Circuits.1 minute each polarity |
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Electromagnetic Compatibility
R1 Electrical fast
Transient/Burst
(Relay operational) |
IEC60255-22-4
IEC601000-4-4
|
Class III
longitudinal 2.5 kVpeak , 2sec between independent circuits
& case earth transverse, 1.0 kVpeak , 2sec across terminals
of the same circuit
|
R2 Oscillatory Waves
1 Mhz Burst
(Relay operational) |
IEC60255-22-1 |
Class III
15kV air discharge with cover in place , 8 kV contact with cover
removed - 10 discharges , both polarities at 1 sec intervals |
R3 Electrostatic Discharge
(Relay operational ) |
IEC60255-22-2
|
0.15 to 80 Mhz
Severity Level 10Vrms
+sweeps 0.05-0.15MHz & 80-100MHz
|
R4 Conducted Disturbance
RF fields
(Relay operational) |
IEC61000-4-6 |
|
R5 Radiated e-m field
from digital portable telephones
(Relay operational) |
ENV 50204 |
900 & 1890Mhz at 10V/m
|
R6 Radiated RF e-m
field immunity test
(Relay operational) |
IEC60255-22-3 |
Class III
test method A +sweep 500-1000Mhz or IEC 1000-4-3 80-1000Mhz
severity 10V/m 80% modulated 1 kHz |
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R7 Surge Immunity capacitively coupled
(Relay operational)
|
IEC61000-4-5
Class 5
Test level 4
|
Short circuit combination
wave generator 1.2uS/50uSopen circuit 8uS/20uS short circuit
,+ & - polarity phase shifting 0~360o ac line phase angle
repetition rate 1 per minute. Power supply, ct & vt circuits
- 4kV common mode 2 ohm source. 2kV differential mode 12 ohm
source. Output relays 42ohm source. Comms 2 ohm screen to earth
only |
|
R8 Power Frequency Magnetic Field
(Relay operational)
|
IEC61000-4-8
|
1000A/m for 1 sec 100A/m for 1 minute in each of 3 axes
|
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R9 Power Frequency Interference on communications circuits
(Relay operational)
|
EA TS48-5
class 3, Table 2, Appendix A(i) |
For circuit length 100-1000 metres (0.1% unbalanced)
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R10 Power Frequency interference on other circuits except
50 Hz inputs
(Relay operational)
|
EATS 48-5
Appendix A(ii)
|
All output contact circuits.
|
R11 Pulse Magnetic
Field
(Relay operational) |
IEC 1000-4-9
|
6.4/16uS , 1000A/m |
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R14 Conducted & Radiated RF Interference Emission
(Relay operational)
|
EN55022 or
EN55011or
EN50081-2
IEC60255-25 |
Class A interference limits
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R15 Power frequency, conducted common mode
|
IEC 1000-4-16
IEC60255-22-7 |
D.C. to 150kHz Test Level 4
300V at 16 2/3Hz and 50Hz
|
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