https://www.phoenixcontact.com/us/products/3046144
Knife disconnect terminal block - UT 4-MTL - 3046144
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Knife disconnect terminal block, with actuation latch, Connection type: Screw connection, Cross section: 0.14
mm² - 6 mm², AWG: 26 - 10, Nominal current: 20 A, Nominal voltage: 500 V, Length: 57.8 mm, Width: 6.2 mm,
Color: gray, Assembly: NS 35/7,5, NS 35/15
Product Features
Compact design and high current carrying capacity of 20 A
Key Commercial Data
Packing unit
1 pc
Minimum order quantity
50 pc
Weight per Piece (excluding packing)
13.6 g
Custom tariff number
85369010
Country of origin
Poland
Technical data
General
Number of levels
1
Number of connections
2
Nominal cross section
4 mm²
Color
gray
Insulating material
PA
Flammability rating according to UL 94
V0
Area of application
Mechanical engineering
Plant engineering
Rated surge voltage
8 kV
Degree of pollution
3
Overvoltage category
III
Insulating material group
I
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Knife disconnect terminal block - UT 4-MTL - 3046144
Technical data
General
Connection in acc. with standard
IEC 60947-7-1
Maximum load current
20 A (with 6 mm² conductor cross section)
Nominal current IN
20 A
Nominal voltage UN
500 V
Open side panel
No
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 bending test
Test passed
Bending test rotation speed
10 rpm
Bending test turns
135
Bending test conductor cross section/weight
0.14 mm² / 0.2 kg
4 mm² / 0.9 kg
2
6 mm / 1.4 kg
Tensile test result
Test passed
Conductor cross section tensile test
0.14 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
Result of tight fit on support
Test passed
Tight fit on carrier
NS 35
Setpoint
1N
Result of voltage-drop test
Test passed
Requirements, voltage drop
≤ 6,4 mV
Result of 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
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Knife disconnect terminal block - UT 4-MTL - 3046144
Technical data
General
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
f1 = 5 Hz to f2 = 150 Hz
ASD level
1.857 (m/s ) /Hz
Acceleration
0.8g
Test duration per axis
5h
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 ms
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 °C
2 2
Temperature index of insulation material (DIN EN 60216-1 (VDE 0304-21)) 125 °C
Static insulating material application in cold
-60 °C
Dimensions
Width
6.2 mm
End cover width
2.2 mm
Length
57.8 mm
Height NS 35/7,5
49.1 mm
Height NS 35/15
56.6 mm
Connection data
Connection method
Screw connection
Connection in acc. with standard
IEC 60947-7-1
Conductor cross section solid min.
0.14 mm²
Conductor cross section solid max.
6 mm²
Conductor cross section AWG min.
26
Conductor cross section AWG max.
10
Conductor cross section flexible min.
0.14 mm²
Conductor cross section flexible max.
6 mm²
Min. AWG conductor cross section, flexible
26
Max. AWG conductor cross section, flexible
10
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Knife disconnect terminal block - UT 4-MTL - 3046144
Technical data
Connection data
Conductor cross section flexible, with ferrule without plastic sleeve min.
0.14 mm²
Conductor cross section flexible, with ferrule without plastic sleeve max.
4 mm²
Conductor cross section flexible, with ferrule with plastic sleeve min.
0.14 mm²
Conductor cross section flexible, with ferrule with plastic sleeve max.
4 mm²
2 conductors with same cross section, solid min.
0.14 mm²
2 conductors with same cross section, solid max.
1.5 mm²
2 conductors with same cross section, stranded min.
0.14 mm²
2 conductors with same cross section, stranded max.
1.5 mm²
2 conductors with same cross section, stranded, TWIN ferrules with plastic
0.5 mm²
sleeve, min.
2 conductors with same cross section, stranded, TWIN ferrules with plastic
2.5 mm²
sleeve, max.
2 conductors with same cross section, stranded, ferrules without plastic
sleeve, min.
0.14 mm²
2 conductors with same cross section, stranded, ferrules without plastic
sleeve, max.
1.5 mm²
Stripping length
9 mm
Internal cylindrical gage
A4
Screw thread
M3
Tightening torque, min
0.6 Nm
Tightening torque max
0.8 Nm
Standards and Regulations
Connection in acc. with standard
IEC 60947-7-1
Flammability rating according to UL 94
V0
Classifications
eCl@ss
eCl@ss 5.1
27141126
eCl@ss 6.0
27141126
eCl@ss 8.0
27141126
ETIM
ETIM 5.0
EC000902
Approvals
Approvals
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Knife disconnect terminal block - UT 4-MTL - 3046144
Approvals
Approvals
CSA / UL Recognized / cUL Recognized
Ex Approvals
Approvals submitted
Approval details
CSA
B
C
mm²/AWG/kcmil
26-10
26-10
Nominal current IN
16 A
16 A
Nominal voltage UN
600 V
600 V
B
C
mm²/AWG/kcmil
26-10
26-10
Nominal current IN
16 A
16 A
Nominal voltage UN
600 V
600 V
B
C
mm²/AWG/kcmil
26-10
26-10
Nominal current IN
16 A
16 A
Nominal voltage UN
600 V
600 V
UL Recognized
cUL Recognized
Drawings
Circuit diagram
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