1277636 PHOENIX | Alldatasheet
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Please be informed that the data shown in this PDF document is generated from our online catalog. Please find the complete data in the user documentation. Our general terms of use for downloads are valid. Knife-disconnect terminal block, connection method: Screw connection, Rated cross section: 2.5 mm2, mounting: NS 35/7,5, NS 35/15, color: gray Your advantages An extremely compact design• Double bridge shaft enables individual potential distribution and supply Commercial data Item number 1277636 Packing unit 50 pc Minimum order quantity 50 pc Product key BE1131 GTIN 4063151469481 Weight per piece (including packing) 10.58 g Weight per piece (excluding packing) 10.58 g Country of origin CN UT 2,5-MTS-EX - Knife-disconnect terminal block 1277636 https://www.phoenixcontact.com/us/products/1277636 Feb 3, 2025, 1:03 AM Page 1 (8)
Product type Disconnect terminal block Process industry Machine building Area of application Plant engineering Number of connections 2 Number of rows 1 Insulation characteristics Overvoltage category III Degree of pollution 3 Electrical properties Rated surge voltage 6 kV Maximum power dissipation for nominal condition 0.77 W Connection data Number of connections per level 2 Nominal cross section 2.5 mm² Level 1 above 1 below 1 Screw thread M3 Stripping length 10 mm Internal cylindrical gage A3 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
3047141 D-UT 2,5/4-TWIN
1205053 SZS 0,6X3,5
3022276 CLIPFIX 35-5
3022218 CLIPFIX 35
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 List of bridges Plug-in bridge / FBS 20-5 / 3030226 Bridge data 17.5 A / 2.5 mm² UT 2,5-MTS-EX - Knife-disconnect terminal block 1277636 https://www.phoenixcontact.com/us/products/1277636 Feb 3, 2025, 1:03 AM Page 2 (8)
output (Permanent) Ex level General Rated current 18.5 A (2.5 mm²) Maximum load current 21.5 A (4 mm²) Contact resistance 0.27 mΩ Ex connection data General 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 the same cross-section AWG rigid 26 ... 16 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 Dimensions Width 5.2 mm Height 56.8 mm Depth on NS 35/7,5 47.5 mm Depth on NS 35/15 55 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 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 UT 2,5-MTS-EX - Knife-disconnect terminal block 1277636 https://www.phoenixcontact.com/us/products/1277636 Feb 3, 2025, 1:03 AM Page 3 (8)
Smoke gas toxicity NFPA 130 (SMP 800C) passed Mechanical properties Mechanical data Open side panel Yes 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 % Mounting NS 35/7,5Mounting type NS 35/15 UT 2,5-MTS-EX - Knife-disconnect terminal block 1277636 https://www.phoenixcontact.com/us/products/1277636 Feb 3, 2025, 1:03 AM Page 4 (8)
UT 2,5-MTS-EX - Knife-disconnect terminal block 1277636 https://www.phoenixcontact.com/us/products/1277636 Feb 3, 2025, 1:03 AM Page 5 (8)
To download certificates, visit the product detail page: https://www.phoenixcontact.com/us/products/1277636 cULus Recognized Approval ID: E60425 CSA Approval ID: 158887 Nominal voltage UN Nominal current IN Cross section AWG Cross section mm2 Use group B
300 V 16 A 26 - 12 -
300 V 10 A 26 - 12 -
cULus Recognized Approval ID: E60425 IECEx Approval ID: IECExUL13.0007U Nominal voltage UN Nominal current IN Cross section AWG Cross section mm2 440 V 18.5 A - 0.14 - 4 ATEX Approval ID: DEMKO14ATEX1353U Nominal voltage UN Nominal current IN Cross section AWG Cross section mm2 440 V 18.5 A - 0.14 - 4 UKCA-EX Approval ID: UL22UKEX2452U EAC Ex Approval ID: KZ 7500525010101950 UT 2,5-MTS-EX - Knife-disconnect terminal block 1277636 https://www.phoenixcontact.com/us/products/1277636 Feb 3, 2025, 1:03 AM Page 6 (8)
ECLASS-11.0 27141126 ECLASS-12.0 27141126 ECLASS-13.0 27250108 ETIM ETIM 9.0 EC000902 UNSPSC UNSPSC 21.0 39121400 UT 2,5-MTS-EX - Knife-disconnect terminal block 1277636 https://www.phoenixcontact.com/us/products/1277636 Feb 3, 2025, 1:03 AM Page 7 (8)
Environmental product compliance EU RoHS Fulfills EU RoHS substance requirements Yes Exemption 6(c) China RoHS EFUP-50Environment friendly use period (EFUP) An article-related China RoHS declaration table can be found in the download area for the respective article under "Manufacturer declaration". For all articles with EFUP-E, no China RoHS declaration table issued and required. EU REACH SVHC REACH candidate substance (CAS No.) Lead(CAS: 7439-92-1) SCIP 92d45b23-17a8-48a4-9dc4-5f0622052bab Phoenix Contact 2025 © - all rights reserved https://www.phoenixcontact.com Phoenix Contact USA
586 Fulling Mill Road
Middletown, PA 17057, United States (+717) 944-1300 info@phoenixcon.com UT 2,5-MTS-EX - Knife-disconnect terminal block 1277636 https://www.phoenixcontact.com/us/products/1277636 Feb 3, 2025, 1:03 AM Page 8 (8)