https://www.phoenixcontact.com/pi/products/3070300
04/29/2017Page2/5
Knife disconnect terminal block-USST 4-MT-3070300
Technical data
General
Back of the hand protection guaranteed
Finger protection guaranteed
Result of surge voltage test Test passed
Surge voltage test setpoint 7.3 kV
Result of power-frequency withstand voltage test Test passed
Power frequency withstand voltage setpoint 1.89 kV
Result of the test for mechanical stability of terminal points (5 x
conductor connection)
Test passed
Result of bending test Test passed
Bending test rotation speed 10 rpm
Bending test turns 135
Bending test conductor cross section/weight 0.2 mm² / 0.2 kg
4 mm² / 0.9 kg
6 mm
2
/ 1.4 kg
1.5 mm² / 0.4 kg
Tensile test result Test passed
Conductor cross section tensile test 0.2 mm²
Tractive force setpoint 10 N
Conductor cross section tensile test 4 mm²
Tractive force setpoint 60 N
Conductor cross section tensile test 6 mm²
Tractive force setpoint 80 N
Conductor cross section tensile test 1.5 mm²
Tractive force setpoint 40 N
Result of tight fit on support Test passed
Setpoint 1 N
Result of voltage-drop test Test passed
Requirements, voltage drop ≤ 6,4 mV
Temperature-rise test Test passed
Short circuit stability result Test passed
Conductor cross section short circuit testing 2.5 mm²
Short-time current 0.3 kA
Result of thermal test Test passed
Proof of thermal characteristics (needle flame) effective duration 30 s
Oscillation, broadband noise test result Test passed
Test specification, oscillation, broadband noise DIN EN 50155 (VDE 0115-200):2008-03
Test spectrum Service life test category 1, class B, body mounted
Test frequency
f
1
= 5 Hz to f
2
= 150 Hz
ASD level
1.857 (m/s
2
)
2
/Hz
Acceleration 0,8 g
Test duration per axis 5 h
