Phoenix Contact UT 35 BU

Selling Points

  • 1Rated for 1000V, ensuring reliable performance in demanding environments.
  • 2Supports up to 125A, making it suitable for heavy-duty applications.
  • 3Made from high-strength copper alloys for long-lasting durability.
  • 4Simple multi-conductor connection via screw termination method.
  • 5Compliant with hazardous area certifications, ensuring safe use in explosive environments.
Product Details
UT 35 BU
Phoenix Contact

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Product type
Feed-through terminal block
Area of application
Railway industry Machine building Plant engineering Process industry
Number of connections
2
Number of rows
1
Potentials
1
Article revision
18
Overvoltage category
III
Degree of pollution
3
Rated surge voltage
8 kV
Maximum power dissipation for nominal condition
4.06 W
Number of connections per level
2
Nominal cross section
35 mm²
Screw thread
M6
Tightening torque
3.2 ... 3.7 Nm
Stripping length
18 mm
Internal cylindrical gage
B9
Connection in acc. with standard
IEC 60947-7-1
Conductor cross section rigid
1.5 mm² ... 50 mm²
Cross section AWG
14 ... 0 (converted acc. to IEC)
Conductor cross section flexible
1.5 mm² ... 50 mm²
Conductor cross section, flexible [AWG]
14 ... 0 (converted acc. to IEC)
Conductor cross-section flexible (ferrule without plastic sleeve)
1.5 mm² ... 35 mm²
Flexible conductor cross section (ferrule with plastic sleeve)
1.5 mm² ... 35 mm²
2 conductors with same cross section, solid
1.5 mm² ... 16 mm²
2 conductors with same cross section, flexible
1.5 mm² ... 10 mm²
2 conductors with same cross section, flexible, with ferrule without plastic sleeve
1.5 mm² ... 10 mm²
2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve
1.5 mm² ... 16 mm²
Nominal current
125 A
Maximum load current
150 A (with 50 mm² conductor cross section)
Nominal voltage
1000 V
Note
Note: Product releases, connection cross sections and notes on connecting aluminum cables can be found in the download area.
Nominal cross section
35 mm²
Identification
 II 2 GD  Ex eb IIC Gb
Operating temperature range
-60 °C ... 110 °C
Ex-certified accessories
1205079 SZS 1,0X6,5 VDE 3022276 CLIPFIX 35-5 3022218 CLIPFIX 35
List of bridges
Plug-in bridge / FBS 2-16 / 3005963
Bridge data
98.5 A / 35 mm²
Ex temperature increase
40 K (133.6 A / 35 mm²)
Rated voltage
690 V
for bridging with bridge
690 V
Rated insulation voltage
630 V
output
(Permanent)
Rated current
123 A
Maximum load current
129 A
Contact resistance
0.08 mΩ
Torque range
3.2 Nm ... 3.7 Nm
Nominal cross section
35 mm²
Rated cross section AWG
2
Connection capacity rigid
1.5 mm² ... 50 mm²
Connection capacity AWG
16 ... 1/0
Connection capacity flexible
1.5 mm² ... 35 mm²
Connection capacity AWG
16 ... 2
2 conductors with same cross section, solid
1.5 mm² ... 16 mm²
2 conductors with the same cross-section AWG rigid
16 ... 6
2 conductors with same cross section, stranded
1.5 mm² ... 10 mm²
2 conductors with the same cross-section AWG flexible
16 ... 8
Width
16 mm
End cover width
2.2 mm
Height
61.2 mm
Depth
65.1 mm
Depth on NS 35/7,5
65.7 mm
Depth on NS 35/15
73.2 mm
Color
blue (RAL 5015)
Flammability rating according to UL 94
V0
Insulating material group
I
Insulating material
PA
Static insulating material application in cold
-60 °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
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 35 mm²
4.2 kA
Result
Test passed
Test voltage setpoint
2.2 kV
Result
Test passed
Open side panel
No
Result
Test passed
DIN rail/fixing support
NS 35
Test force setpoint
10 N
Result
Test passed
Rotation speed
10 rpm
Revolutions
135
Conductor cross section/weight
1.5 mm² / 0.4 kg 35 mm² / 6.8 kg 50 mm² / 9.5 kg
Result
Test passed
Time of exposure
30 s
Result
Test passed
Specification
DIN EN 50155 (VDE 0115-200):2022-06
Spectrum
Service life test category 2, bogie-mounted
Frequency
f
ASD level
6.12 (m/s²)²/Hz
Acceleration
3.12g
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