Product Description:
Knife disconnect terminal block, nom. voltage: 500 V, nominal current: 20 A, connection method: Screw connection with spring support, cross section: 0.2 mm² - 6 mm², AWG: 24 - 10, length: 63.4 mm, width: 6.2 mm, color: blue, mounting: NS 35/7,5, NS 35/15, NS 32
Technical Info
GTIN
: 04046356866798
Series
: USST 4-MT BU
Type
: Messcheidingsklem
Key Features
- Knife dis.onnect terminal block
- nom. voltage: 500 V
- nominal current: 20 A
- connection method: Screw connection with spring support
- cross section: 0.2 mm² - 6 mm²
- AWG: 24 - 10
- length: 63.4 mm
- width: 6.2 mm
- color: blue
- mounting: NS 35/7
- NS 35/15
- NS 32
Training Data Goes here
General
Number of levels
1
Number of connections
2
Nominal cross section
4
Color
blue
Insulating material
PA
Flammability rating according to UL 94
V0
Rated surge voltage
6
Degree of pollution
3
Overvoltage category
III
Insulating material group
I
Maximum power dissipation for nominal condition
1.02 W
Connection in acc. with standard
IEC 60947-7-1
Nominal current IN
20
Maximum load current
20 A (with 6 mm² conductor cross section)
Nominal voltage UN
500 V (up to 690 V for pollution degree II)
Open side panel
Yes
Shock protection test specification
DIN EN 50274 (VDE 0660-514):2002-11
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 flexion and pull-out test
Test passed
Bending test rotation speed
10
Bending test turns
135
Bending test conductor cross section/weight
0.2 mm² / 0.2 kg
Bending test conductor cross section/weight
4 mm² / 0.9 kg
Bending test conductor cross section/weight
6 mm² / 1.4 kg
Bending test conductor cross section/weight
1.5 mm² / 0.4 kg
Tensile test result
Test passed
Conductor cross section tensile test
0.2 mm²
Tractive force setpoint
10
Conductor cross section tensile test
4
Tractive force setpoint
60
Conductor cross section tensile test
6
Tractive force setpoint
80
Conductor cross section tensile test
1.5 mm²
Tractive force setpoint
40
Result of tight fit on support
Test passed
Setpoint
1
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
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
f1 = 5 Hz to f2 = 150 Hz
ASD level
1.857 (m/s2)2/Hz
Acceleration
0,8 g
Test duration per axis
5
Test directions
X-, Y- and Z-axis
Shock test result
Test passed
Test specification, shock test
DIN EN 50155 (VDE 0115-200):2008-03
Shock form
Half-sine
Acceleration
5g
Shock duration
30
Number of shocks per direction
3
Test directions
X-, Y- and Z-axis (pos. and neg.)
Relative insulation material temperature index (Elec., UL 746 B)
130
Temperature index of insulation material (DIN EN 60216-1 (VDE 0304-21))
125
Static insulating material application in cold
-60 °C
Surface flammability NFPA 130 (ASTM E 162)
passed
Specific optical density of smoke NFPA 130 (ASTM E 662)
passed
Smoke gas toxicity NFPA 130 (SMP 800C)
passed
Calorimetric heat release NFPA 130 (ASTM E 1354)
27,5 MJ/kg
Fire protection for rail vehicles (DIN EN 45545-2) R22
HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R23
HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R26
HL 1 - HL 3
Dimensions
Length
63.4 mm
Width
6.2 mm
End cover width
2.2 mm
Height NS 35/7,5
57.3 mm
Height NS 35/15
64.8 mm
Height NS 32
62.3 mm
Connection data
Conductor cross section solid min.
0.2 mm²
Conductor cross section solid max.
6
Conductor cross section flexible min.
0.2 mm²
Conductor cross section flexible max.
4
Conductor cross section AWG min.
24
Conductor cross section AWG max.
10
Conductor cross section flexible, with ferrule without plastic sleeve min.
0.25 mm²
Conductor cross section flexible, with ferrule without plastic sleeve max.
4
Conductor cross section flexible, with ferrule with plastic sleeve min.
0.25 mm²
Conductor cross section flexible, with ferrule with plastic sleeve max.
2.5 mm²
2 conductors with same cross section, solid min.
0.2 mm²
2 conductors with same cross section, solid max.
1.5 mm²
2 conductors with same cross section, stranded min.
0.2 mm²
2 conductors with same cross section, stranded max.
1.5 mm²
Two conductors with the same cross section stranded, with ferrule and without plastic sleeve, minimum
0.25 mm²
Two conductors with the same cross section stranded, with ferrule and without plastic sleeve, maximum
1.5 mm²
Two conductors with the same cross section, flexible, with TWIN ferrules, with plastic sleeve, minimum
0.5 mm²
Two conductors with the same cross section, flexible, with TWIN ferrules, with plastic sleeve, maximum
2.5 mm²
Connection method
Screw connection with spring support
Stripping length
10
Internal cylindrical gage
A4
Screw thread
M3
Tightening torque, min
0.6 Nm
Tightening torque max
0.8 Nm
Ambient conditions
Operating temperature
-60 °C ... 105 °C (max. short-term operating temperature 125°C)
Ambient temperature (storage/transport)
-25 °C ... 60 °C (for a short time, not exceeding 24 h, -60 °C to +70 °C)
Permissible humidity (storage/transport)
30 % ... 70 %
Ambient temperature (assembly)
-5 °C ... 70 °C
Ambient temperature (actuation)
-5 °C ... 70 °C
Environmental Product Compliance
China RoHS
Environmentally Friendly Use Period = 50 years
