UT 2,5-MT - Knife-disconnect terminal block

3046362

Knife-disconnect terminal block, nom. voltage: 400 V, nominal current: 20 A, Thermal continuous current Ith: 20 A, connection method: Screw connection, Rated cross section: 2.5 mm2, cross section: 0.14 mm2 - 4 mm2, mounting: NS 35/7,5, NS 35/15, color: gray

General
Note The max. load current must not be exceeded by the total current of all connected conductors.

Product type Disconnect terminal block
Area of application Railway industry
Machine building
Plant engineering
Number of connections 2
Number of rows 1
Insulation characteristics
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
Level 1 above 1 below 1
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
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
Thermal continuous current Ith 20 A
Nominal current 20 A (with 4 mm² conductor cross section)
Maximum load current 20 A (with 4 mm² conductor cross section)
Nominal voltage 400 V (up to 690 V for pollution degree II)
Nominal cross section 2.5 mm²

Width 5.2 mm
End cover width 2.2 mm
Height 57.8 mm
Depth on NS 35/7,5 49.1 mm
Depth on NS 35/15 56.6 mm

Color gray
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

Surge voltage test
Result Test passed
Temperature-rise test
Requirement temperature-rise test Increase in temperature ≤ 45 K