Product Model
UT 2,5-MTS-EX

Selling Points
- 1Compact design with high current-carrying capacity of 20A.
- 2Single-level, screw termination for easy cable wiring.
- 3Suitable for energy sector and industrial building management.
- 4Double bridge shaft enables individual potential distribution and supply.
- 5Rated for 400V and 2.5mm² cable CSA, with a maximum operating temperature of +120°C.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Product type | Disconnect terminal block | Area of application | Process industry
Machine building
Plant engineering |
Number of connections | 2 | Number of rows | 1 |
Article revision | 03 | 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 | Screw thread | M3 |
Stripping length | 10 mm | Internal cylindrical gage | A3 |
Nominal cross section | 2.5 mm² | Identification | II 3 G Ex ec llC Gc |
Operating temperature range | -50 °C ... 125 °C | Operating cycles of the disconnect knife | 100 |
Ex-certified accessories | 3047141 D-UT 2,5/4-TWIN
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 | 17.5 A / 2.5 mm² | Rated voltage | 440 V |
output | (Permanent) | Rated current | 18.5 A (2.5 mm²) |
Maximum load current | 21.5 A (4 mm²) | Contact resistance | 0.27 mΩ |
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 ... 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 | Conductor cross section flexible, with ferrule without plastic sleeve min. | 0.14 mm² |
Conductor cross section flexible, with ferrule without plastic sleeve max. | 2.5 mm² | Single conductor/terminal point, flexible, with ferrule, without plastic sleeve, AWG | 26 ... 14 |
Width | 5.2 mm | Height | 56.8 mm |
Depth on NS 35/7,5 | 47.5 mm | Depth on NS 35/15 | 55 mm |
Color | gray (RAL 7042) | 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 | Open side panel | Yes |
Ambient temperature (operation) | -60 °C ... 110 °C (Operating temperature range incl. self-heating; for max. short-term operating temperature, see 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 (operation) | 20 % ... 90 % | Permissible humidity (storage/transport) | 30 % ... 70 % |
Mounting type | NS 35/7,5
NS 35/15 |
Specifications may be subject to change without notice