Phoenix Contact UT 4-MTD

Selling Points

  • 1High Load Capacity: Handles up to 41 A with a 6 mm² conductor cross section.
  • 2Durable Construction: Made from PA insulating material with a flammability rating of UL 94 V0.
  • 3Versatile Connectivity: Supports screw connection with conductor cross sections ranging from 0.14 mm² to 6 mm².
  • 4Comprehensive Testing: Passed surge voltage, power-frequency withstand voltage, and mechanical stability tests.
  • 5Efficient Design: Ensures low voltage drop (≤ 3.2 mV) and high short-time current (up to 0.72 kA).
Product Details
UT 4-MTD
Phoenix Contact

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Product type
Feed-through terminal block
Product family
UT
Number of connections
2
Number of rows
1
Potentials
1
Article revision
17
Overvoltage category
III
Degree of pollution
3
Rated surge voltage
8 kV
Maximum power dissipation for nominal condition
1.02 W
Number of connections per level
2
Nominal cross section
4 mm²
Screw thread
M3
Tightening torque
0.6 ... 0.8 Nm
Stripping length
9 mm
Internal cylindrical gage
A4
Connection in acc. with standard
IEC 60947-7-1
Conductor cross section rigid
0.14 mm² ... 6 mm²
Cross section AWG
26 ... 10 (converted acc. to IEC)
Conductor cross section flexible
0.14 mm² ... 6 mm²
Conductor cross section, flexible [AWG]
26 ... 10 (converted acc. to IEC)
Conductor cross-section flexible (ferrule without plastic sleeve)
0.25 mm² ... 4 mm²
Flexible conductor cross section (ferrule with plastic sleeve)
0.25 mm² ... 4 mm²
2 conductors with same cross section, solid
0.14 mm² ... 1.5 mm²
2 conductors with same cross section, flexible
0.14 mm² ... 1.5 mm²
2 conductors with same cross section, flexible, with ferrule without plastic sleeve
0.14 mm² ... 1.5 mm²
2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve
0.5 mm² ... 2.5 mm²
Nominal current
32 A
Maximum load current
41 A (with 6 mm² conductor cross section)
Nominal voltage
800 V
Nominal cross section
4 mm²
Identification
 II 2 GD  Ex eb IIC Gb
Operating temperature range
-60 °C ... 110 °C
Ex-certified accessories
3047141 D-UT 2,5/4-TWIN 3047167 ATP-UT 1205053 SZS 0,6X3,5 3022276 CLIPFIX 35-5 3022218 CLIPFIX 35
List of bridges
Plug-in bridge / FBS 2-6 / 3030336 Plug-in bridge / FBS 3-6 / 3030242 Plug-in bridge / FBS 4-6 / 3030255 Plug-in bridge / FBS 5-6 / 3030349 Plug-in bridge / FBS 10-6 / 3030271 Plug-in bridge / FBS 20-6 / 3030365
Bridge data
29 A / 4 mm²
Ex temperature increase
40 K (32 A / 4 mm²)
Rated voltage
690 V
for bridging with bridge
690 V
- At bridging between non-adjacent terminal blocks
352 V
- At bridging between non-adjacent terminal blocks via PE terminal block
275 V
via PE/S when bridging between non-adjacent terminal blocks
176 V
- At cut-to-length bridging with cover
220 V
- At cut-to-length bridging with partition plate
275 V
Rated insulation voltage
630 V
output
(Permanent)
Rated current
29 A
Maximum load current
36 A
Contact resistance
0.32 mΩ
Torque range
0.6 Nm ... 0.8 Nm
Nominal cross section
4 mm²
Rated cross section AWG
12
Connection capacity rigid
0.14 mm² ... 6 mm²
Connection capacity AWG
26 ... 10
Connection capacity flexible
0.14 mm² ... 4 mm²
Connection capacity AWG
26 ... 12
2 conductors with same cross section, solid
0.14 mm² ... 1.5 mm²
2 conductors with the same cross-section AWG rigid
26 ... 16
2 conductors with same cross section, stranded
0.14 mm² ... 1.5 mm²
2 conductors with the same cross-section AWG flexible
26 ... 16
Width
6.2 mm
End cover width
2.2 mm
Height
57.8 mm
Depth on NS 35/7,5
47.5 mm
Depth on NS 35/15
55 mm
Color
gray (RAL 7042)
Flammability rating according to UL 94
V0
Insulating material group
I
Insulating material
PA
Static insulating material application in cold
-60 °C
Temperature index of insulation material (DIN EN 60216-1 (VDE 0304-21))
125 °C
Relative insulation material temperature index (Elec., UL 746 B)
130 °C
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) R24
HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R26
HL 1 - HL 3
Calorimetric heat release NFPA 130 (ASTM E 1354)
27,5 MJ/kg
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
Test voltage setpoint
9.8 kV
Result
Test passed
Requirement temperature-rise test
Increase in temperature ≤ 45 K
Result
Test passed
Short-time withstand current 4 mm²
0.48 kA
Short-time withstand current 6 mm²
0.72 kA
Result
Test passed
Test voltage setpoint
2 kV
Result
Test passed
Open side panel
Yes
Result
Test passed
DIN rail/fixing support
NS 35
Test force setpoint
1 N
Result
Test passed
Rotation speed
10 rpm
Revolutions
135
Conductor cross section/weight
0.14 mm² / 0.2 kg 4 mm² / 0.9 kg 6 mm² / 1.4 kg
Result
Test passed
Time of exposure
30 s
Result
Test passed
Specification
DIN EN 50155 (VDE 0115-200):2008-03
Spectrum
Service life test category 1, class B, body mounted
Frequency
f
ASD level
0.02g²/Hz
Acceleration
0.8g
Test duration per axis
5 h
Test directions
X-, Y- and Z-axis
Result
Test passed
Specification
DIN EN 50155 (VDE 0115-200):2008-03
Pulse shape
Half-sine
Acceleration
5g
Shock duration
30 ms
Number of shocks per direction
3
Test directions
X-, Y- and Z-axis (pos. and neg.)
Result
Test passed
Ambient temperature (operation)
-60 °C ... 110 °C (Operating temperature range incl. self-heating; for max. short-term operating temperature, see RTI Elec.)
Ambient temperature (storage/transport)
-25 °C ... 60 °C (for a short time, no longer than 24 h, -60°C to +70°C)
Ambient temperature (assembly)
-5 °C ... 70 °C
Ambient temperature (actuation)
-5 °C ... 70 °C
Permissible humidity (operation)
20 % ... 90 %
Permissible humidity (storage/transport)
30 % ... 70 %
Connection in acc. with standard
IEC 60947-7-1
Mounting type
NS 35/7,5 NS 35/15

Specifications may be subject to change without notice