Phoenix Contact UTTB 2,5-LA 230

Selling Points

  • 1Compact Design: 5.2 mm width for space-saving installations.
  • 2High Current Capacity: Supports up to 28 A with a 4 mm² conductor cross-section.
  • 3Versatile Connectivity: Screw connection method for easy installation and maintenance.
  • 4Durable Construction: Insulating material PA with a flammability rating of UL 94 V0.
  • 5Wide Operating Range: Ambient temperature from -60 °C to 85 °C for reliable performance in various environments.
Product Details
UTTB 2,5-LA 230
Phoenix Contact

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
General
The voltage is determined by the LED version selected.
Product type
Component terminal block
Number of connections
4
Number of rows
2
Potentials
2
Article revision
11
Overvoltage category
III
Degree of pollution
3
Rated surge voltage
6 kV
Number of connections per level
2
Nominal cross section
2.5 mm²
Screw thread
M3
Tightening torque
0.5 ... 0.6 Nm
Stripping length
9 mm
Internal cylindrical gage
A3
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
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 ... 1.5 mm²
Nominal current
24 A
Maximum load current
28 A (with 4 mm² conductor cross section)
Nominal voltage
230 V
Nominal cross section
2.5 mm²
Width
5.2 mm
End cover width
2.2 mm
Height
69.9 mm
Depth
64.4 mm
Depth on NS 35/7,5
65 mm
Depth on NS 35/15
72.5 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
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, not exceeding 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 %
Mounting type
NS 35/7,5 NS 35/15

Specifications may be subject to change without notice