https://www.phoenixcontact.com/pi/products/3070300
Knife disconnect terminal block - USST 4-MT - 3070300
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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: gray, mounting: NS 35/7,5, NS 35/15, NS 32, nom. voltage: 500 V
Key Commercial Data
Packing unit
GTIN
GTIN
4046356661935
50 pc
Technical data
General
Number of levels
Number of connections
Nominal cross section
Color
Insulating material
Flammability rating according to UL 94
Rated surge voltage
Degree of pollution
Overvoltage category
Insulating material group
Maximum power dissipation for nominal condition
Connection in acc. with standard
Nominal current I
N
Maximum load current
Nominal voltage U
N
Open side panel
Shock protection test specification
1
2
4 mm²
gray
PA
V0
6 kV
3
III
I
1.02 W
IEC 60947-7-1
20 A
20 A (with 6 mm² conductor cross section)
500 V (up to 690 V for pollution degree II)
Yes
DIN EN 50274 (VDE 0660-514):2002-11
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Knife disconnect terminal block - USST 4-MT - 3070300
Technical data
General
Back of the hand protection
Finger protection
Result of surge voltage test
Surge voltage test setpoint
Result of power-frequency withstand voltage test
Power frequency withstand voltage setpoint
Result of the test for mechanical stability of terminal points (5 x
conductor connection)
Result of bending test
Bending test rotation speed
Bending test turns
Bending test conductor cross section/weight
guaranteed
guaranteed
Test passed
7.3 kV
Test passed
1.89 kV
Test passed
Test passed
10 rpm
135
0.2 mm² / 0.2 kg
4 mm² / 0.9 kg
6 mm / 1.4 kg
1.5 mm² / 0.4 kg
Tensile test result
Conductor cross section tensile test
Tractive force setpoint
Conductor cross section tensile test
Tractive force setpoint
Conductor cross section tensile test
Tractive force setpoint
Conductor cross section tensile test
Tractive force setpoint
Result of tight fit on support
Setpoint
Result of voltage-drop test
Requirements, voltage drop
Temperature-rise test
Short circuit stability result
Conductor cross section short circuit testing
Short-time current
Result of thermal test
Proof of thermal characteristics (needle flame) effective duration
Oscillation, broadband noise test result
Test specification, oscillation, broadband noise
Test spectrum
Test frequency
ASD level
Acceleration
Test duration per axis
Test passed
0.2 mm²
10 N
4 mm²
60 N
6 mm²
80 N
1.5 mm²
40 N
Test passed
1N
Test passed
≤ 6,4 mV
Test passed
Test passed
2.5 mm²
0.3 kA
Test passed
30 s
Test passed
DIN EN 50155 (VDE 0115-200):2008-03
Service life test category 1, class B, body mounted
f
1
= 5 Hz to f
2
= 150 Hz
1.857 (m/s ) /Hz
0,8 g
5h
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Knife disconnect terminal block - USST 4-MT - 3070300
Technical data
General
Test directions
Shock test result
Test specification, shock test
Shock form
Acceleration
Shock duration
Number of shocks per direction
Test directions
Relative insulation material temperature index (Elec., UL 746 B)
Temperature index of insulation material (DIN EN 60216-1 (VDE
0304-21))
Static insulating material application in cold
Behavior in fire for rail vehicles (DIN 5510-2)
Flame test method (DIN EN 60695-11-10)
Oxygen index (DIN EN ISO 4589-2)
NF F16-101, NF F10-102 Class I
NF F16-101, NF F10-102 Class F
Surface flammability NFPA 130 (ASTM E 162)
Specific optical density of smoke NFPA 130 (ASTM E 662)
Smoke gas toxicity NFPA 130 (SMP 800C)
Calorimetric heat release NFPA 130 (ASTM E 1354)
Fire protection for rail vehicles (DIN EN 45545-2) R22
Fire protection for rail vehicles (DIN EN 45545-2) R23
Fire protection for rail vehicles (DIN EN 45545-2) R26
X-, Y- and Z-axis
Test passed
DIN EN 50155 (VDE 0115-200):2008-03
Half-sine
5g
30 ms
3
X-, Y- and Z-axis (pos. and neg.)
130 °C
125 °C
-60 °C
Test passed
V0
>32 %
2
2
passed
passed
passed
27,5 MJ/kg
HL 1 - HL 3
HL 1 - HL 3
HL 1 - HL 3
HL 1 - HL 3
Dimensions
Length
Width
Height NS 35/7,5
Height NS 35/15
Height NS 32
63.4 mm
6.2 mm
57.3 mm
64.8 mm
62.3 mm
Connection data
Conductor cross section solid min.
Conductor cross section solid max.
Conductor cross section flexible min.
Conductor cross section flexible max.
Conductor cross section AWG min.
Conductor cross section AWG max.
Conductor cross section flexible, with ferrule without plastic sleeve min.
0.2 mm²
6 mm²
0.2 mm²
4 mm²
24
10
0.25 mm²
Conductor cross section flexible, with ferrule without plastic sleeve max. 4 mm²
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Knife disconnect terminal block - USST 4-MT - 3070300
Technical data
Connection data
Conductor cross section flexible, with ferrule with plastic sleeve min.
Conductor cross section flexible, with ferrule with plastic sleeve max.
2 conductors with same cross section, solid min.
2 conductors with same cross section, solid max.
2 conductors with same cross section, stranded min.
2 conductors with same cross section, stranded max.
2 conductors with same cross section, stranded, ferrules without plastic
sleeve, min.
2 conductors with same cross section, stranded, ferrules without plastic
sleeve, max.
2 conductors with same cross section, stranded, TWIN ferrules with
plastic sleeve, min.
2 conductors with same cross section, stranded, TWIN ferrules with
plastic sleeve, max.
Connection method
Stripping length
Internal cylindrical gage
Screw thread
Tightening torque, min
Tightening torque max
0.25 mm²
2.5 mm²
0.2 mm²
1.5 mm²
0.2 mm²
1.5 mm²
0.25 mm²
1.5 mm²
0.5 mm²
2.5 mm²
Screw connection with spring support
10 mm
A4
M3
0.6 Nm
0.8 Nm
Standards and Regulations
Connection in acc. with standard
Flammability rating according to UL 94
Fire protection for rail vehicles (DIN EN 45545-2) R22
Fire protection for rail vehicles (DIN EN 45545-2) R23
Fire protection for rail vehicles (DIN EN 45545-2) R24
Fire protection for rail vehicles (DIN EN 45545-2) R26
IEC 60947-7-1
V0
HL 1 - HL 3
HL 1 - HL 3
HL 1 - HL 3
HL 1 - HL 3
Environmental Product Compliance
REACh SVHC
China RoHS
Lead 7439-92-1
Environmentally Friendly Use Period = 50
For details about hazardous substances go to tab “Downloads”,
Category “Manufacturer's declaration”
Drawings
Circuit diagram
Approvals
Approvals
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Knife disconnect terminal block - USST 4-MT - 3070300
Approvals
Approvals
CSA / UL Recognized / cUL Recognized / cULus Recognized
Ex Approvals
Approval details
CSA
Nominal voltage UN
Nominal current IN
mm²/AWG/kcmil
D
600 V
5A
24-10
http://www.csagroup.org/services-industries/product-listing/
B
300 V
20 A
24-10
C
300 V
20 A
24-10
13631
UL Recognized
Nominal voltage UN
Nominal current IN
mm²/AWG/kcmil
D
600 V
5A
24-10
http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm
B
300 V
20 A
24-10
C
300 V
20 A
24-10
FILE E 60425
cUL Recognized
Nominal voltage UN
Nominal current IN
mm²/AWG/kcmil
D
600 V
5A
24-10
http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm
B
300 V
20 A
24-10
C
300 V
20 A
24-10
FILE E 60425
cULus Recognized
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