Component terminal block


Component terminal block; double-deck; with 2 diodes 1N4007; Bottom anode; for DIN-rail 35 x 15 and 35 x 7.5; 2.5 mm²; CAGE CLAMP®; 2,50 mm²; gray

SKU: 280-941/281-489 Category:


Electrical data
Nominal voltage 250V
Reverse voltage 1,000V
Ratings per IEC/EN
Ratings per IEC/EN 60947-7-1
Rated current 0.5A
Connection data
Total number of connection points 4
Total number of potentials 2
Number of levels 2


Connection 1
Connection technology CAGE CLAMP®
Actuation type Operating tool
Connectable conductor materials Copper
Connectable conductor materials (note) Terminating Aluminum Conductors
WAGO spring clamp terminal blocks are suitable for solid aluminum conductors up to 4 mm²/12 AWG if WAGO “Alu-Plus” Contact Paste 249-130 is used for termination.
“Alu-Plus” Contact Paste Advantages:

  • Automatically destroys the oxide film during clamping.
  • Prevents fresh oxidation at the clamping point.
  • Prevents electrolytic corrosion between aluminum and copper conductors (in the same terminal block).
  • Provides long-term protection against corrosion.


Using terminal blocks with CAGE CLAMP® Spring Pressure Connection Technology, aluminum conductors must first be cleaned with a blade and then immediately be inserted into the clamping units filled with “Alu-Plus” Contact Paste.

It is also possible to apply WAGO “Alu-Plus” additionally on the whole surface of the aluminum conductor before termination.

Please note that the nominal currents must be adapted to the reduced conductivity of the aluminum conductors::
2.5 mm² = 16 A
4 mm² = 22 A

Solid conductor 0.08 … 2.5 mm² / 28 … 14 AWG
Fine-stranded conductor 0.08 … 2.5 mm² / 28 … 14 AWG
Strip length 8 … 9 mm / 0.31 … 0.35 inches
Wiring direction Front-entry wiring


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