1277650000 WEIDMULLER | Alldatasheet

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B2CF 3.50/04/180F SN OR BX Weidmüller Interface GmbH & Co. KG Klingenbergstraße 26 D-32758 Detmold Germany www.weidmueller.com Product image Two-row female plug with PUSH IN spring connection

  • Simply insert the prepared wire - and you're done
  • Intuitive to use because
  • the wire-entry area and handling area are clearly sepa- rated
  • Integrated push-buttons for opening the terminal point
  • High component density because of low heights
  • Optional: locking and releasing require no tools when using Weidmüller's release latch (LR) or release lever (LH) General ordering data Version PCB plug-in connector, female plug, 3.50 mm, Number of poles: 4, 180°, PUSH IN with push but- ton, Clamping range, max. : 1.5 mm², Box Order No. 1277650000 Type B2CF 3.50/04/180F SN OR BX GTIN (EAN) 4050118068436 Qty. 90 items Product data IEC: 320 V / 13.4 A / 0.14 - 1.5 mm² UL: 300 V / 9.5 A / AWG 30 - AWG 16 Packaging Box Creation date 03.01.2026 05:13:54 MEZ Catalogue status / Drawings 1

B2CF 3.50/04/180F SN OR BX Weidmüller Interface GmbH & Co. KG Klingenbergstraße 26 D-32758 Detmold Germany www.weidmueller.com Technical data Approvals Approvals ROHS Conform UL File Number Search UL Website Certificate No. (cURus) E60693 Dimensions and weights Depth 25.25 mm Depth (inches) 0.9941 inch Height 15.2 mm Height (inches) 0.5984 inch Width 14 mm Width (inches) 0.5512 inch Net weight 2.17 g Environmental Product Compliance RoHS Compliance Status Compliant without exemption REACH SVHC No SVHC above 0.1 wt% Product Carbon Footprint Cradle to gate 0.045 kg CO2eq. System Parameters Product family OMNIMATE Signal - series B2C/S2C 3.50 - 2-row Type of connection Field connection Wire connection method PUSH IN with push button Pitch in mm (P) 3.50 mm Pitch in inches (P) 0.138 " Conductor outlet direction 180° Number of poles 4 L1 in mm 3.50 mm L1 in inches 0.138 " Number of rows 1 Pin series quantity 2 Rated cross-section 15 mm² Touch-safe protection acc. to DIN VDE 57 106 Safe from finger touch Touch-safe protection acc. to DIN VDE 0470 IP20 plugged Protection degree IP20, when fully mounted Can be coded Yes Stripping length 10 mm Screwdriver blade 0.4 x 2.5 Screwdriver blade standard DIN 5264 Plugging cycles 25 Plugging force/pole, max. 5 N Pulling force/pole, max. 5 N Tightening torque Torque type Screw flange Usage information Tightening torque min. 0.15 Nm max. 0.2 Nm Material data Insulating material PA 66 GF 30 Colour orange Colour chart (similar) RAL 2000 Insulating material group II Creation date 03.01.2026 05:13:54 MEZ Catalogue status / Drawings 2

B2CF 3.50/04/180F SN OR BX Weidmüller Interface GmbH & Co. KG Klingenbergstraße 26 D-32758 Detmold Germany www.weidmueller.com Technical data Comparative Tracking Index (CTI) ≥ 600 Insulation resistance ≥ 108 Ω Moisture Level (MSL) UL 94 flammability rating V-0 Contact material Copper alloy Contact surface tinned Layer structure of plug contact 2...5 µm Sn hot-dip tinned Storage temperature, min. -40 °C Storage temperature, max. 70 °C Operating temperature, min. -50 °C Operating temperature, max. 120 °C Temperature range, installation, min. -40 °C Temperature range, installation, max. 120 °C Conductors suitable for connection Clamping range, min. 0.14 mm² Clamping range, max. 1.5 mm² Wire connection cross section AWG, min. AWG 30 Wire connection cross section AWG, max. AWG 16 Solid, min. H05(07) V-U 0.14 mm² Solid, max. H05(07) V-U 1.5 mm² Flexible, min. H05(07) V-K 0.14 mm² Flexible, max. H05(07) V-K 1.5 mm² w. plastic collar ferrule, DIN 46228 pt 4, min. 0.14 mm² w. plastic collar ferrule, DIN 46228 pt 4, max. 1 mm² w. wire end ferrule, DIN 46228 pt 1, min. 0.14 mm² w. wire end ferrule, DIN 46228 pt 1, max. 1.5 mm² Clampable conductor wire end ferrule Stripping length nominal 10 mm Recommended wire- end ferrule H0,14/12 GR SV wire end ferrule Stripping length nominal 10 mm Recommended wire- end ferrule H0,25/12 HBL SV wire end ferrule Stripping length nominal 10 mm Recommended wire- end ferrule H0,34/12 TK SV wire end ferrule Stripping length nominal 12 mm Recommended wire- end ferrule H0,5/16 OR SV Stripping length nominal 10 mm Recommended wire- end ferrule H0,5/10 wire end ferrule Stripping length nominal 12 mm Recommended wire- end ferrule H0,75/16 W SV Stripping length nominal 10 mm Recommended wire- end ferrule H0,75/10 wire end ferrule Stripping length nominal 12 mm Recommended wire- end ferrule H1,0/16 GE SV Stripping length nominal 10 mm Recommended wire- end ferrule H1,0/10 wire end ferrule Stripping length nominal 10 mm Recommended wire- end ferrule H1,5/10 Reference text The outside diameter of the plastic collar should not be larger than the pitch (P), Length of ferrules is to be chosen depending on the product and the rated voltage. Creation date 03.01.2026 05:13:54 MEZ Catalogue status / Drawings 3

B2CF 3.50/04/180F SN OR BX Weidmüller Interface GmbH & Co. KG Klingenbergstraße 26 D-32758 Detmold Germany www.weidmueller.com Technical data Rated data acc. to IEC tested acc. to standard IEC 60664-1, IEC 61984 Rated current, min. number of poles (Tu=20°C) 13.4 A Rated current, max. number of poles (Tu=20°C) 10 A Rated current, min. number of poles (Tu=40°C) 12 A Rated current, max. number of poles (Tu=40°C)

9 A Rated voltage for surge voltage class /

Rated voltage for surge voltage class / pollution degree III/2

160 V Rated voltage for surge voltage class /

Rated impulse voltage for surge voltage class/ pollution degree II/2 2.5 kV Rated impulse voltage for surge voltage class/ pollution degree III/2 2.5 kV Rated impulse voltage for surge voltage class/ contamination degree III/3 2.5 kV Short-time withstand current resistance 3 x 1s with 80 A Rated data acc. to CSA Institute (CSA) CSA Certificate No. (CSA) 200039-1121690 Rated voltage (Use group B / CSA) 300 V Rated voltage (Use group C / CSA) 50 V Rated voltage (Use group D / CSA) 300 V Rated current (Use group B / CSA) 9.5 A Rated current (Use group C / CSA) 9.5 A Rated current (Use group D / CSA) 9.5 A Wire cross-section, AWG, min. AWG 30 Wire cross-section, AWG, max. AWG 16 Reference to approval values Specifications are maximum values, details - see approval certificate. Rated data acc. to UL 1059 Institute (cURus) CURUS Certificate No. (cURus) E60693 Rated voltage (Use group B / UL 1059) 300 V Rated voltage (Use group C / UL 1059) 50 V Rated voltage (Use group D / UL 1059) 300 V Rated current (Use group B / UL 1059) 9.5 A Rated current (Use group C / UL 1059) 9.5 A Rated current (Use group D / UL 1059) 9.5 A Wire cross-section, AWG, min. AWG 30 Wire cross-section, AWG, max. AWG 16 Reference to approval values Specifications are maximum values, details - see approval certificate. Packing Packaging Box VPE length 347.00 mm VPE width 135.00 mm VPE height 31.00 mm Type tests Test: Durability of markings Standard IEC 61984 section 6.2 and 7.3.2 / 10.11 taking pattern from IEC 60068-2-70 / 12.95 Test mark of origin, type identification, pitch, type of material, date clock, approval marking UL, approval marking cULus Evaluation available Test durability Evaluation passed Test: Misengagement (Non- interchangeability) Standard IEC 61984 section 6.3 and 6.9.1 / 10.11, IEC 60512-13-5 / 02.06 Test 180° turned without coding elements Evaluation passed Test 180° turned with coding elements Evaluation passed Test visual examination Evaluation passed Creation date 03.01.2026 05:13:54 MEZ Catalogue status / Drawings 4

B2CF 3.50/04/180F SN OR BX Weidmüller Interface GmbH & Co. KG Klingenbergstraße 26 D-32758 Detmold Germany www.weidmueller.com Technical data Test: Clampable cross section Standard IEC 60999-1 section 7 and 9.1 / 11.99, IEC Conductor type Type of conductor and conductor cross- section solid 0.14 mm² Type of conductor and conductor cross- section stranded 0.14 mm² Type of conductor and conductor cross- section solid 1.5 mm² Type of conductor and conductor cross- section stranded 1.5 mm² Type of conductor and conductor cross- section AWG 26/1 Type of conductor and conductor cross- section AWG 26/19 Type of conductor and conductor cross- section AWG 16/1 Type of conductor and conductor cross- section AWG 16/19 Evaluation passed Test for damage to and accidental loosening of conductors Standard IEC 60999-1 section 9.4 / 11.99 Requirement 0.2 kg Conductor type Type of conductor and conductor cross- section AWG 26/1 Type of conductor and conductor cross- section AWG 26/19 Evaluation passed Requirement 0.3 kg Conductor type Type of conductor and conductor cross- section H05V-U0.75 Type of conductor and conductor cross- section H05V-K0.75 Evaluation passed Requirement 0.4 kg Conductor type Type of conductor and conductor cross- section H07V-U1.5 Type of conductor and conductor cross- section H07V-K1.5 Type of conductor and conductor cross- section AWG 16/1 Type of conductor and conductor cross- section AWG 16/19 Evaluation passed Pull-out test Standard IEC 60999-1 section 9.5 / 11.99 Requirement ≥10 N Conductor type Type of conductor and conductor cross- section AWG 26/1 Creation date 03.01.2026 05:13:54 MEZ Catalogue status / Drawings 5

B2CF 3.50/04/180F SN OR BX Weidmüller Interface GmbH & Co. KG Klingenbergstraße 26 D-32758 Detmold Germany www.weidmueller.com Technical data Type of conductor and conductor cross- section AWG 26/19 Evaluation passed Requirement ≥20 N Conductor type Type of conductor and conductor cross- section H05V-U0.75 Type of conductor and conductor cross- section H05V-K0.75 Evaluation passed Requirement ≥40 N Conductor type Type of conductor and conductor cross- section H07V-U1.5 Type of conductor and conductor cross- section H07V-K1.5 Type of conductor and conductor cross- section AWG 16/1 Type of conductor and conductor cross- section AWG 16/19 Evaluation passed Important note IPC conformity Conformity: The products are developed, manufactured and delivered according international recognized standards and norms and comply with the assured properties in the data sheet resp. fulfill decorative properties in accordance with IPC-A-610 "Class 2". Further claims on the products can be evaluated on request. Notes • Additional variants on request

  • Gold-plated contact surfaces on request
  • Rated current related to rated cross-section & min. No. of poles.
  • Crimp shape A for wire-end ferrules with crimping tools PZ 1,5 (order no. 9005990000) or PZ 6/5 (order no. 9011460000) for larger wire cross-sections recommended.
  • P on drawing = pitch
  • Rated data refer only to the component itself. Clearance and creepage distances to other components are to be designed in accordance with the relevant application standards.
  • Max. outer diameter of the conductor 2.6 mm
  • In accordance with IEC 61984, OMNIMATE-connectors are connectors without breaking capacity (COC). During designated use, connectors are not allowed to be engaged or disengaged when live or under load
  • Long term storage of the product with average temperature of 50 °C and maximum humidity 70%, 36 months Classifications ETIM 8.0 EC002638 ETIM 9.0 EC002638 ETIM 10.0 EC002638 ECLASS 14.0 27-46-02-02 ECLASS 15.0 27-46-02-02 Creation date 03.01.2026 05:13:54 MEZ Catalogue status / Drawings 6

B2CF 3.50/04/180F SN OR BX Weidmüller Interface GmbH & Co. KG Klingenbergstraße 26 D-32758 Detmold Germany www.weidmueller.com Drawings Dimensional drawing Graph Product benefits Solid PUSH IN contactSafe and durable Creation date 03.01.2026 05:13:54 MEZ Catalogue status / Drawings 7

B2CF 3.50/04/180F SN OR BX Weidmüller Interface GmbH & Co. KG Klingenbergstraße 26 D-32758 Detmold Germany www.weidmueller.com Drawings Product benefits Large connection cross-sectionUp to 1.5 mm possible with ease Product benefits Fast PUSH IN connectionTool-free and touch-safe Example of use Creation date 03.01.2026 05:13:54 MEZ Catalogue status / Drawings 8