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256-403/332-009/999-950
PCB terminal

PCB terminal block; push button; 2.5mm²; Pin pitch 5/5.08 mm; 3 poles; Suitable for Ex e applications; CAGE CLAMP®; interconnecting option; 2.50mm²; Light greyCAGE CLAMP ® terminal blocks with push-button operation Adjust the pin spacing in metric or inches by pressing the rows of terminal blocks closer together or pulling them further apart. Ideal for on-site wiring thanks to simplified push-button operation Practical, tool-free operation

PCB terminal block; push button; 2.5mm²; Pin pitch 5/5.08 mm; 3 poles; Suitable for Ex e applications; CAGE CLAMP®; interconnecting option; 2.50mm²; Light grey


  • CAGE CLAMP ® terminal blocks with push-button operation
  • Adjust the pin spacing in metric or inches by pressing the rows of terminal blocks closer together or pulling them further apart.
  • Ideal for on-site wiring thanks to simplified push-button operation
  • Practical, tool-free operation

Legend (ratings) (III / 2) ≙ Overvoltage category III / Pollution degree 2
Rated voltage UL (Use Group B) 300V
Rated current UL (Use Group B) 15A
Rated voltage UL (Use Group D) 300V
Rated current UL (Use Group D) 10A
Rated voltage CSA (Use Group B) 300V
Rated current CSA (Use Group B) 15A
Rated voltage CSA (Use Group D) 300V
Rated current CSA (Use Group D) 10A
Rated voltage EN (Ex e II) 176V
Rated current (Ex e II) 16A
connection technology CAGE CLAMP®
Actuation type push button
Single core lengths 0.08 … 2.5 mm² / 28 … 12 AWG
Fine twisted cables 0.08 … 2.5 mm² / 28 … 12 AWG
Finely twisted cables with insulated ferrules 0.25 … 1.5 mm²
Finely stranded cables with non-insulated ferrules 0.25 … 1.5 mm²
stripping length 5 … 6 mm / 0.2 … 0.24 inch
Conductor entry angle into PCB 45 °
Number of poles 3
Total number of ports 3
Total number of potentials 3
Number of individual connection objects in the part one
Number of levels one
Note (conductor cross-section) 12 AWG: THHN, THWN
Pin spacing 5/5.08mm / 0.197/0.2inch
Width 17.9mm / 0.705inch
height 23.7mm / 0.933inch
height above surface 18.2mm / 0.717inch
depth 17.6mm / 0.693inch
Soldered pin length 5.5mm
Solder pin sizes 0.7x0.7mm
Drilled hole tolerance 1.1 (- … +0.1) mm
PCB contact THT
Solder pin arrangement over the entire terminal strip, in line
Number of solder pins per potential 2
Colour Light grey
Material group I
insulation material Polyamide 66 (PA 66)
Flammability value according to UL 94 V0
Compression spring material Chrome nickel spring steel (CrNi)
contact material Electrolytic copper (Ecu)
contact coating tin plated
fire load 0.047 MJ
Weight 3
Limit temperature range -60 … +105 °C
Product Group 4 (Printed Circuit)
Packaging type from SAP BOX
country of origin CH
GTIN 4044918760485
Customs Tariff No. 85369010000

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