2544950000

2544950000 WEIDMULLER | Alldatasheet

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BUF 10.16IT/04/180MF4 AG BK BX Weidmüller Interface GmbH & Co. KG Klingenbergstraße 26 D-32758 Detmold Germany www.weidmueller.com Device connectivity | OMNIMATE® Power BUF 10.16 PUSH IN PCB connector, 16mm², with wire-ready func- tion

• PUSH IN technology with settable wire-ready contact point simplifies the connection of stranded wires without wire-end ferrules and wires with particularly rigid insula- tion
• Direct and tool-free connection of solid wires and wires with crimped wire-end ferrules for fast and safe wiring
• Single-hand operation of the plug-in connector and automatic connection thanks to the middle flange with snap-on mechanism and optionally with additional screw fastening General ordering data Version PCB plug-in connector, female plug, 10.16 mm, Number of poles: 4, 180°, PUSH IN with actuator, Clamping range, max. : 16 mm², Box Order No. 2544950000 Type BUF 10.16IT/04/180MF4 AG BK BX GTIN (EAN) 4050118555011 Qty. 24 items Product data IEC: 1000 V / 76 A / 2.5 - 16 mm² UL: 600 V / 51 A / AWG 12 - AWG 6 Packaging Box Creation date 28.02.2026 01:16:54 MEZ Catalogue status / Drawings 1

BUF 10.16IT/04/180MF4 AG BK 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 39.5 mm Depth (inches) 1.5551 inch Height 33.3 mm Height (inches) 1.311 inch Width 50.8 mm Width (inches) 2 inch Net weight 53.65 g Environmental Product Compliance RoHS Compliance Status Compliant without exemption REACH SVHC No SVHC above 0.1 wt% System Parameters Product family OMNIMATE Power - series BU/SU 10.16 Type of connection Field connection Wire connection method PUSH IN with actuator Pitch in mm (P) 10.16 mm Pitch in inches (P) 0.400 " Conductor outlet direction 180° Number of poles 4 L1 in mm 40.64 mm L1 in inches 1.600 " Number of rows 1 Pin series quantity 1 Rated cross-section 16 mm² Touch-safe protection acc. to DIN VDE 57 106 Safe from finger touch Touch-safe protection acc. to DIN VDE 0470 IP 20 Protection degree IP20 Can be coded Yes Stripping length 18 mm Screwdriver blade 0.8 x 4.0 Screwdriver blade standard DIN 5264 Plugging cycles 25 Plugging force/pole, max. 15 N Pulling force/pole, max. 15 N Material data Insulating material PA GF Colour black Colour of operational elements red, grey Colour chart (similar) RAL 9011 Insulating material group II Comparative Tracking Index (CTI) ≥ 400 Insulation resistance ≥ 10⁸ Ω Moisture Level (MSL) UL 94 flammability rating V-0 Contact material Cu-alloy Contact surface silver-plated Layer structure of plug contact ≥ 3 µm Ag Storage temperature, min. -40 °C Storage temperature, max. 70 °C Operating temperature, min. -50 °C Operating temperature, max. 120 °C Conductors suitable for connection Clamping range, min. 2.5 mm² Clamping range, max. 16 mm² Wire connection cross section AWG, min. AWG 12 Wire connection cross section AWG, max. AWG 4 Solid, min. H05(07) V-U 2.5 mm² Solid, max. H05(07) V-U 10 mm² Creation date 28.02.2026 01:16:54 MEZ Catalogue status / Drawings 2

BUF 10.16IT/04/180MF4 AG BK BX Weidmüller Interface GmbH & Co. KG Klingenbergstraße 26 D-32758 Detmold Germany www.weidmueller.com Technical data Stranded, min. H07V-R 10 mm² Stranded, max. H07V-R 16 mm² Flexible, min. H05(07) V-K 2.5 mm² Flexible, max. H05(07) V-K 16 mm² w. plastic collar ferrule, DIN 46228 pt 4, min. 2.5 mm² w. plastic collar ferrule, DIN 46228 pt 4, max. 16 mm² w. wire end ferrule, DIN 46228 pt 1, min. 2.5 mm² w. wire end ferrule, DIN 46228 pt 1, max. 16 mm² Clampable conductor Cross-section for conductor connection Type fine-wired nominal 2.5 mm² wire end ferrule Stripping length nominal 20 mm Recommended wire- end ferrule H2,5/25D BL Stripping length nominal 18 mm Recommended wire- end ferrule H2,5/18 Cross-section for conductor connection Type fine-wired nominal 4 mm² wire end ferrule Stripping length nominal 20 mm Recommended wire- end ferrule H4,0/26D GR Stripping length nominal 18 mm Recommended wire- end ferrule H4,0/18 Cross-section for conductor connection Type fine-wired nominal 6 mm² wire end ferrule Stripping length nominal 20 mm Recommended wire- end ferrule H6,0/26 SW Stripping length nominal 18 mm Recommended wire- end ferrule H6,0/18 Cross-section for conductor connection Type fine-wired nominal 10 mm² wire end ferrule Stripping length nominal 21 mm Recommended wire- end ferrule H10,0/28 EB Stripping length nominal 18 mm Recommended wire- end ferrule H10,0/18 Cross-section for conductor connection Type fine-wired nominal 16 mm² wire end ferrule Stripping length nominal 21 mm Recommended wire- end ferrule H16,0/28 GN Stripping length nominal 18 mm Recommended wire- end ferrule H16,0/18 Reference text Length of ferrules is to be chosen depending on the product and the rated voltage. Rated data acc. to IEC Rated current, min. number of poles (Tu=20°C) 76 A Rated current, max. number of poles (Tu=20°C) 71 A Rated current, min. number of poles (Tu=40°C) 70 A Rated current, max. number of poles (Tu=40°C) 62 A Creation date 28.02.2026 01:16:54 MEZ Catalogue status / Drawings 3

BUF 10.16IT/04/180MF4 AG BK BX Weidmüller Interface GmbH & Co. KG Klingenbergstraße 26 D-32758 Detmold Germany www.weidmueller.com Technical data Rated voltage for surge voltage class / pollution degree II/2

1000 V Rated voltage for surge voltage class /

Rated voltage for surge voltage class / pollution degree III/3

1000 V Rated impulse voltage for surge voltage

class/ pollution degree II/2 8 kV Rated impulse voltage for surge voltage class/ pollution degree III/2 8 kV Rated impulse voltage for surge voltage class/ contamination degree III/3 8 kV Short-time withstand current resistance 3 x 1s with 800A Rated data acc. to UL 1059 Institute (cURus) CURUS Certificate No. (cURus) E60693 Rated voltage (Use group B / UL 1059) 600 V Rated voltage (Use group C / UL 1059) 600 V Rated current (Use group B / UL 1059) 51 A Rated current (Use group C / UL 1059) 51 A Wire cross-section, AWG, min. AWG 12 Wire cross-section, AWG, max. AWG 6 Reference to approval values Specifications are maximum values, details - see approval certificate. Packing Packaging Box VPE length 355.00 mm VPE width 187.00 mm VPE height 76.00 mm Type tests Test: Durability of markings Standard IEC 60068-2-70 / 12.95 Test mark of origin, type identification, pitch, durability, stripping length Evaluation available Test: Clampable cross section Standard IEC 60999-1:1999-11 section 9.1, IEC 60947-1:2011-03 section 8.2.4.5.1 Conductor type Type of conductor and conductor cross- section stranded 2.5 mm² Type of conductor and conductor cross- section solid 2.5 mm² Type of conductor and conductor cross- section stranded 16 mm² Type of conductor and conductor cross- section solid 10 mm² Type of conductor and conductor cross- section AWG 12/1 Type of conductor and conductor cross- section AWG 12/19 Type of conductor and conductor cross- section AWG 4/1 Type of conductor and conductor cross- section AWG 4/19 Evaluation passed Test for damage to and accidental loosening of conductors Standard IEC 60999-1:1999-11 section 9.4 bzw. section 8.10 Requirement 0.7 kg Conductor type Type of conductor and conductor cross- section H07V-K2.5 Creation date 28.02.2026 01:16:54 MEZ Catalogue status / Drawings 4

BUF 10.16IT/04/180MF4 AG BK BX Weidmüller Interface GmbH & Co. KG Klingenbergstraße 26 D-32758 Detmold Germany www.weidmueller.com Technical data Type of conductor and conductor cross- section H07V-U2.5 Type of conductor and conductor cross- section AWG 14/1 Type of conductor and conductor cross- section AWG 14/19 Evaluation passed Requirement 2.9 kg Conductor type Type of conductor and conductor cross- section H07V-K16 Type of conductor and conductor cross- section H07V-U16 Evaluation passed Requirement 4,5 kg Conductor type Type of conductor and conductor cross- section AWG 4/7 Type of conductor and conductor cross- section AWG 4/19 Pull-out test Standard IEC 60999-1:1999-11 section 9.5 Requirement ≥50 N Conductor type Type of conductor and conductor cross- section AWG 14/1 Type of conductor and conductor cross- section AWG 14/19 Type of conductor and conductor cross- section H07V-K2.5 Type of conductor and conductor cross- section H07V-U2.5 Evaluation passed Requirement ≥100 N Conductor type Type of conductor and conductor cross- section H07V-K16 Type of conductor and conductor cross- section H07V-U16 Evaluation passed Requirement ≥ 135 N Conductor type Type of conductor and conductor cross- section AWG 4/7 Type of conductor and conductor cross- section AWG4/19 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. Creation date 28.02.2026 01:16:54 MEZ Catalogue status / Drawings 5

BUF 10.16IT/04/180MF4 AG BK BX Weidmüller Interface GmbH & Co. KG Klingenbergstraße 26 D-32758 Detmold Germany www.weidmueller.com Technical data Notes • Additional variants on request

• Rated current related to rated cross-section & min. No. of poles.
• Wire end ferrule with plastic collar to DIN 46228/4
• Wire end ferrule without plastic collar to DIN 46228/1
• 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.
• For all applications with flange we recommend to fix the pin header with the help of the soldering flange or a self-tapping screw on the board.
• 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 28.02.2026 01:16:54 MEZ Catalogue status / Drawings 6

BUF 10.16IT/04/180MF4 AG BK BX Weidmüller Interface GmbH & Co. KG Klingenbergstraße 26 D-32758 Detmold Germany www.weidmueller.com Drawings Product image Dimensional drawing Connection diagram Graph Graph Easy connection of conductorsWIRE READY Product benefits Easy connection of conductorsWIRE READY Creation date 28.02.2026 01:16:54 MEZ Catalogue status / Drawings 7

BUF 10.16IT/04/180MF4 AG BK BX Weidmüller Interface GmbH & Co. KG Klingenbergstraße 26 D-32758 Detmold Germany www.weidmueller.com Drawings Product benefits Quick wiring Product benefits Single-handed operationAutomatic latching Creation date 28.02.2026 01:16:54 MEZ Catalogue status / Drawings 8