Phoenix Contact UT 4-L/HESILA 250 (5X20)

Selling Points

  • 1The UT 4-L/HESILA 250 (5X20) ensures reliable and safe electrical connections with its screw connection method.
  • 2Supports up to 30 A nominal current and 36 A maximum load current, making it suitable for demanding applications.
  • 3Built with insulating material PA and rated for UL 94 V0 flammability, ensuring long-lasting performance.
  • 4Compatible with NS 35/7,5 and NS 35/15 mounting types, offering flexibility in installation.
  • 5Meets IEC 60947-7-2/IEC 60947-7-3 standards for secure and efficient operation.
Product Details
UT 4-L/HESILA 250 (5X20)
Phoenix Contact

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
General
The current is determined by the fuse used, the voltage by the selected LED.
Product type
Fuse terminal block
Number of connections
4
Number of rows
2
Potentials
2
Article revision
13
Overvoltage category
III
Degree of pollution
3
Fuse type
Glass / ceramics / ...
Rated surge voltage
6 kV
Maximum power dissipation for nominal condition
1.02 W
Fuse
G / 5 x 20
LED voltage range
110 V AC ... 250 V AC
LED current range
0.41 mA ... 0.96 mA
Maximum power dissipation
max. 1.6 W (with single arrangement of the fuse terminal block in the event of overload) max. 1.6 W (With interconnected arrangement of several fuse terminal blocks in the event of overload) max. 4 W (with single arrangement of the fuse terminal block in the event of a short-circuit) max. 2.5 W (With interconnected arrangement of several fuse terminal blocks in the event of a short-circuit)
LED voltage range
110 V AC ... 250 V AC
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/IEC 60947-7-3
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)
0.14 mm² ... 4 mm²
Flexible conductor cross section (ferrule with plastic sleeve)
0.14 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 ... 1.5 mm²
Nominal current
30 A
Maximum load current
36 A (the current is determined by the fuse used)
Nominal voltage
250 V
Nominal cross section
4 mm²
Screw thread
M3
Tightening torque
0.6 ... 0.8 Nm
Stripping length
9 mm
Connection in acc. with standard
IEC 60947-7-1/IEC 60947-7-3
Conductor cross section rigid
0.14 mm² ... 4 mm²
Cross section AWG
26 ... 10 (converted acc. to IEC)
Conductor cross section flexible
0.14 mm² ... 4 mm²
Conductor cross section, flexible [AWG]
26 ... 10 (converted acc. to IEC)
Conductor cross-section flexible (ferrule without plastic sleeve)
0.14 mm² ... 4 mm²
Flexible conductor cross section (ferrule with plastic sleeve)
0.14 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 ... 1.5 mm²
Nominal current
6.3 A
Maximum load current
6.3 A (the current is determined by the fuse used)
Nominal voltage
250 V
Nominal cross section
1 mm²
Identification
 II 3 G  Ex ec llC Gc
Operating temperature range
-60 °C ... 130 °C
Ex-certified accessories
1205053 SZS 0,6X3,5 3022276 CLIPFIX 35-5 3022218 CLIPFIX 35
Rated voltage
500 V 250 V
output
(Permanent)
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 ... 6 mm²
Connection capacity AWG
26 ... 10
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
Conductor cross section flexible, with ferrule without plastic sleeve min.
0.14 mm²
Conductor cross section flexible, with ferrule without plastic sleeve max.
4 mm²
Single conductor/terminal point, flexible, with ferrule, without plastic sleeve, AWG
26 ... 12
output
(Permanent)
Rated current
20 A (4 mm²)
Maximum load current
20 A (6 mm²)
Contact resistance
0.6 mΩ
Temperature increase
40 K (20 A/4 mm²)
output
(Permanent)
Rated current
6.3 A (4 mm²)
Maximum load current
6.3 A (6 mm²)
Contact resistance
5 mΩ
Width
6.2 mm
Height
92.7 mm
Depth
94.5 mm
Depth on NS 35/7,5
88.9 mm
Depth on NS 35/15
96.4 mm
Color
black (RAL 9005)
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
No
Ambient temperature (operation)
-60 °C ... 105 °C (max. short-term operating temperature 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 (storage/transport)
30 % ... 70 %
Connection in acc. with standard
IEC 60947-7-1/IEC 60947-7-3 IEC 60947-7-1/IEC 60947-7-3
Mounting type
NS 35/7,5 NS 35/15

Specifications may be subject to change without notice