UTTB 4 - Double-level terminal block

3044814

Double-level terminal block, nom. voltage: 800 V, nominal current: 30 A, connection method: Screw connection, 1st and 2nd level, Rated cross section: 4 mm2, cross section: 0.14 mm2 - 6 mm2, mounting type: NS 35/7,5, NS 35/15, color: gray

Product type Multi-level terminal block
Product family UTTB
Area of application Railway industry
Machine building
Plant engineering
Process industry
Number of connections 4
Number of rows 2
Potentials 2
Insulation characteristics
Overvoltage category III
Degree of pollution 3

Rated surge voltage 8 kV
Maximum power dissipation for nominal condition 1.02 W

Number of connections per level 2
Nominal cross section 4 mm²
1st and 2nd level
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
Nominal current 30 A
Maximum load current 36 A (with 6 mm² conductor cross section)
Nominal voltage 800 V
Nominal cross section 4 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
1212587 SF-SL 0,6X3,5-100 S-VDE
3022276 CLIPFIX 35-5
3022218 CLIPFIX 35
List of bridges Plug-in bridge / FBS 2-6 / 3030336
Plug-in bridge / FBS 3-6 / 3030242
Plug-in bridge / FBS 4-6 / 3030255
Plug-in bridge / FBS 5-6 / 3030349
Plug-in bridge / FBS 10-6 / 3030271
Plug-in bridge / FBS 20-6 / 3030365
Bridge data 25.5 A / 4 mm²
Ex temperature increase 40 K (28.5 A / 4 mm²)
Rated voltage 440 V
for bridging with bridge 440 V
- At bridging between non-adjacent terminal blocks 275 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 400 V
output (Permanent)
Ex level General
Rated current 25.5 A
Maximum load current 31.5 A
Ex connection data General
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 ... 4 mm²
Connection capacity AWG 26 ... 12
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
output (Permanent)