PHOENIX CONTACT GmbH & Co. KG • 32823 Blomberg • Germany
18 Combination tests
FKCOW 2,5/..-ST MSTBA 2,5/..-G-
LR
MSTBVA 2,5/..-G-
LR
Specification IEC 61984 IEC 61984
Mechanical tests (A)
Insertion/withdrawal force per position approx. 8 N / 11 N approx. 10 N / 12 N
Polarization when inserted
Requirement > 20 N
Test passed Test passed
Contact holder in insert
Requirements > 20 N
Test passed Test passed
Endurance tests (B)
Contact resistance R
1
1.3 mΩ 2.5 mΩ
Insertion/withdrawal cycles 25 25
Contact resistance R
2
1.3 mΩ 2.4 mΩ
Rated impulse voltage at sea level
Voltage waveform ≥ (1.2/50 μs)
4.8 kV 4.8 kV
Power-frequency withstand voltage
Voltage waveform ≥ (50/60 Hz)
2.21 kV 2.21 kV
Insulation resistance
Requirements > 5 MΩ
> 1.5 TΩ > 1 TΩ
Thermal tests (C)
Tested number of positions 24 24
Tested conductor cross section 2.5 mm² 2.5 mm²
Test current 12 A 12 A
Upper limiting temperature
Requirements < 100°C
Test passed Test passed
Climatic tests (D)
Test sequence 1: low temperature storage -40 °C/2 h -40 °C/2 h
Test sequence 2: heat storage 100 °C/168 h 100 °C/168 h
Test sequence 3: noxious gas storage
(ISO 6988)
0.2 dm
3
SO
2
on 300 dm
3
/
40 °C/1 cycle
0.2 dm
3
SO
2
on 300 dm
3
/
40 °C/1 cycle
Rated impulse voltage at sea level
Voltage waveform ≥ (1.2/50 μs)
4.8 kV 4.8 kV
Power-frequency withstand voltage
Voltage waveform ≥ (50/60 Hz)
2.21 kV 2.21 kV
Environmental and endurance tests (E)
Specification IEC 61984:2008-10 IEC 61984:2008-10
Degree of protection Finger safety with IP20
test finger
Finger safety with IP20
test finger