UT 4-MT-P/P - Knife-disconnect terminal block

3046171

Knife-disconnect terminal block, With test socket screws for insertion of test plugs, nom. voltage: 500 V, Thermal continuous current Ith: 20 A, connection method: Screw connection, Rated cross section: 4 mm2, cross section: 0.14 mm2 - 6 mm2, mounting: NS 35/7,5, NS 35/15, color: gray

Product type Disconnect terminal block
Area of application Railway industry
Machine building
Plant engineering
Number of connections 2
Number of rows 1
Potentials 1
Insulation characteristics
Overvoltage category III
Degree of pollution 3

Rated surge voltage 6 kV
Maximum power dissipation for nominal condition 1.02 W

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
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 ... 2.5 mm²
Thermal continuous current Ith 20 A (with 4 mm² conductor cross section)
Maximum load current 20 A (with 6 mm² conductor cross section)
Nominal voltage 500 V (up to 690 V for pollution degree II)
Nominal cross section 4 mm²

Width 6.2 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
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

Surge voltage test
Test voltage setpoint 7.3 kV
Result Test passed
Temperature-rise test
Requirement temperature-rise test Increase in temperature ≤ 45 K
Result Test passed
Test passed
Short-time withstand current 2.5 mm² 0.3 kA
Result Test passed
Power-frequency withstand voltage
Test voltage setpoint 1.89 kV
Result Test passed