UTTB 2,5-PV - Double-level terminal block

3044652

Double-level terminal block, with equipotential bonder, nom. voltage: 500 V, nominal current: 24 A, connection method: Screw connection, Rated cross section: 2.5 mm2, cross section: 0.14 mm2 - 4 mm2, mounting type: NS 35/7,5, NS 35/15, color: gray

Product type Multi-level terminal block
Area of application Railway industry
Machine building
Plant engineering
Process industry
Number of connections 4
Number of rows 2
Potentials 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
Level 1+2
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
Nominal current 24 A
Maximum load current 28 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
Nominal cross section 2.5 mm²

Rated data (ATEX/IECEx)
Identification  II 2 GD  Ex eb IIC Gb
Operating temperature range -60 °C ... 110 °C
Ex-certified accessories 3047293 D-UTTB 2,5/4
3047303 DP-UTTB 2,5/4
3047316 ATP-UTTB 2,5/4
1205053 SZS 0,6X3,5
3022276 CLIPFIX 35-5
3022218 CLIPFIX 35
List of bridges Plug-in bridge / FBS 2-5 / 3030161
Plug-in bridge / FBS 3-5 / 3030174
Plug-in bridge / FBS 4-5 / 3030187
Plug-in bridge / FBS 5-5 / 3030190
Plug-in bridge / FBS 10-5 / 3030213
Plug-in bridge / FBS 20-5 / 3030226
Bridge data 20 A / 2.5 mm²
Ex temperature increase 40 K (23.3 A / 2.5 mm²)
Rated voltage 352 V
for bridging with bridge 352 V
- At bridging between non-adjacent terminal blocks 352 V
- At bridging between non-adjacent terminal blocks via PE terminal block 275 V
- At cut-to-length bridging with cover 220 V
- At cut-to-length bridging with partition plate 176 V
Rated insulation voltage 320 V
output (Permanent)
Ex level General
Rated current 21 A
Maximum load current 26.5 A
Contact resistance 0.66 mΩ
Ex connection data General
Torque range 0.5 Nm ... 0.6 Nm
Nominal cross section 2.5 mm²
Rated cross section AWG 14
Connection capacity rigid 0.14 mm² ... 4 mm²
Connection capacity AWG 26 ... 12
Connection capacity flexible 0.14 mm² ... 2.5 mm²
Connection capacity AWG 26 ... 14
2 conductors with same cross section, solid 0.14 mm² ... 1.5 mm²