Phoenix Contact UT 2,5-3L

Selling Points

  • 1Achieves high wiring density with a compact three-level terminal block.
  • 2Supports screw connection with a wide conductor cross-section range (0.14 mm² - 4 mm²).
  • 3Tested and certified for railway applications, meeting DIN EN 45545-2 fire protection standards.
  • 4Each terminal point supports large-surface labeling for clear overview and organization.
  • 5Rated for 19 A nominal current and 500 V nominal voltage, ensuring reliable electrical performance.
Product Details
UT 2,5-3L
Phoenix Contact

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Product type
Multi-level terminal block
Product family
UT
Number of positions
1
Number of connections
6
Number of rows
3
Potentials
3
Article revision
06
Overvoltage category
III
Degree of pollution
3
Rated surge voltage
6 kV
Maximum power dissipation for nominal condition
0.77 W
Number of connections per level
2
Nominal cross section
2.5 mm²
Rated cross section AWG
12
Screw thread
M3
Tightening torque
0.5 ... 0.6 Nm
Stripping length
9 mm
Internal cylindrical gage
A3
Connection in acc. with standard
IEC 60947-7-1
Conductor cross section rigid
0.14 mm² ... 4 mm²
Cross section AWG
26 ... 12 (converted acc. to IEC)
Conductor cross section flexible
0.14 mm² ... 4 mm²
Conductor cross section, flexible [AWG]
26 ... 12 (converted acc. to IEC)
Conductor cross-section flexible (ferrule without plastic sleeve)
0.14 mm² ... 2.5 mm²
Flexible conductor cross section (ferrule with plastic sleeve)
0.14 mm² ... 2.5 mm²
Nominal current
19 A (with a 2.5 mm² conductor cross section)
Maximum load current
24 A (in case of a 4 mm² conductor cross section, the maximum load current must not be exceeded by the total current of all connected conductors.)
Nominal voltage
500 V
Note
Note: Product releases, connection cross sections and notes on connecting aluminum cables can be found in the download area.
Nominal cross section
2.5 mm²
Connection in acc. with standard
IEC/EN 60079-7
Conductor cross section rigid
0.14 mm² ... 4 mm²
Cross section AWG
26 ... 12 (converted acc. to IEC)
Conductor cross section flexible
0.14 mm² ... 2.5 mm²
Maximum load current
28 A (with 4 mm² conductor cross section) 22 A (with a 2.5 mm² conductor cross section)
Nominal voltage
690 V
Nominal cross section
4 mm²
Width
5.2 mm
End cover width
2.2 mm
Height
90 mm
Depth on NS 35/7,5
77.5 mm
Depth on NS 35/15
85 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))
130 °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)
28 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
Open side panel
Yes
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 IEC/EN 60079-7
Mounting type
NS 35/7,5 NS 35/15

Specifications may be subject to change without notice