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UT 4-MT-P/P-EX 3046173 PHOENIX CONTACT Knife disconnect terminal block
UT 4-MT-P/P-EX
3046173
PHOENIX CONTACT
50 Pcs.
Knife disconnect terminal block
Blade interruptible terminal block, with threaded sockets for test sockets to accommodate test pins, nominal voltage: 500 V, nominal current: 20 A, connection type: Screw connection, Dimensioning section: 2.5 mm², cross-section: 0.14 mm² - 6 mm², mounting: NS 35/7.5, NS 35/15, color: gray
Knife-disconnect terminal block, With test socket screws for insertion of test plugs, nom. voltage: 500 V, nominal current: 20 A, connection method: Screw connection, Rated cross section: 2.5 mm2, cross section: 0.14 mm2 - 6 mm2, mounting: NS 35/7,5, NS 35/15, color: gray
Automation > (Knife) disconnect terminal block
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The UT 4-MT-P/P-EX 3046173 Phoenix Contact Knife disconnect terminal block is an essential electrical component designed for machine building applications where circuits require frequent manual switching, isolation, or testing. Terminal blocks of this category organize multi-wire configurations and protect sensitive measurement lines during routine maintenance operations.
Pricing, availability and lead time are confirmed per enquiry through an RFQ.
- Product type: Disconnect terminal block
- Area of application: Machine building
- Number of connections: 2
- Number of rows: 1
- Potentials: 1
- Data management status Article revision: 09
- 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
- Level 1 above 1 below 1 Screw thread: M3
- Tightening torque: 0.6 ... 0.8 Nm
- Stripping length: 9 mm
- Internal cylindrical gage: A4
More info
▲Technical data
Product properties
| Product type | Disconnect terminal block |
| Area of application | Machine building |
| Plant engineering | |
| Number of connections | 2 |
| Number of rows | 1 |
| Potentials | 1 |
| Data management status | |
| Article revision | 09 |
| Insulation characteristics | |
| Overvoltage category | III |
| Degree of pollution | 3 |
Electrical properties
| Rated surge voltage | 6 kV |
| Maximum power dissipation for nominal condition | 1.02 W |
Connection data
| Number of connections per level | 2 |
| Nominal cross section | 4 mm² |
| Level 1 above 1 below 1 | |
| 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 | 20 A |
| Maximum load current | 20 A (with 6 mm² conductor cross section) |
| Nominal voltage | 500 V |
| Nominal cross section | 2.5 mm² |
Ex data
| Rated data (ATEX/IECEx) | |
| 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 | 3247954 S-MT |
| 3047183 ATP-UT-TWIN | |
| 1205053 SZS 0,6X3,5 | |
| 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 | 20 A / 4 mm² |
| Rated voltage | 250 V |
| output | (Permanent) |
| Ex level General | |
| Rated current | 16 A |
| Maximum load current | 16 A |
| Contact resistance | 0.26 mΩ |
| 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 |
| Conductor cross section flexible, with ferrule without plastic sleeve min. | 0.14 mm² |
| Conductor cross section flexible, with ferrule without plastic sleeve max. | 4 mm² |
| Single conductor/terminal point, flexible, with ferrule, without plastic sleeve, AWG | 26 ... 12 |
Dimensions
| 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 |
Material specifications
| 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 |
| 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 |
Mechanical properties
| Mechanical data | |
| Open side panel | No |
Environmental and real-life conditions
| Ambient conditions | |
| 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 % |
Standards and regulations
| Connection in acc. with standard | IEC 60947-7-1 |
Mounting
| Mounting type | NS 35/7,5 |
| NS 35/15 |