Item no. 280-641

3-conductor through terminal block; 2.5 mm²; center marking; for DIN-rail 35 x 15 and 35 x 7.5; CAGE CLAMP®; 2,50 mm²; gray

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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 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

Product details

Details
Electrical data
IEC Approvals
Ratings per IEC/EN 60947-7-1
Rated voltage (III / 3) 800 V
Rated surge voltage (III/3) 8 kV
Rated current 24 A
Legend (ratings) (III / 3) ≙ Overvoltage category III / Pollution degree 3
Connection data
Connection technology CAGE CLAMP®
Actuation type Operating tool
Connectable conductor materials Copper
Solid conductor 0.08 … 2.5 mm² / 28 … 12 AWG
Fine-stranded conductor 0.08 … 2.5 mm² / 28 … 12 AWG
Note (conductor cross-section) 12 AWG: THHN, THWN
Strip length 8 … 9 mm / 0.31 … 0.35 inch
Total number of connection points 3
Total number of potentials 1
Number of levels 1
Wiring type Front-entry wiring
Physical data
Width 5 mm / 0.197 inch
Height 50.5 mm / 1.988 inch
Mechanical data
Design angled
Mounting type DIN-35 rail
Marking level Center marking
Material data
Color gray
Insulation material Polyamide (PA66)
Fire load 0.121 MJ
Weight 6.7 g
Commercial data
Product Group 1 (Rail Mounted Terminal Blocks)
PU (SPU) 100 Stück
Packaging type BOX
Country of origin DE
GTIN 4044918325806
Customs tariff number 85369010000
Approvals / Certificates
Country specific Approvals
Approval
Additional Approval Text
Certificate name
Language
Approval: CCA
DEKRA Certification B.V.
Additional Approval Text EN 60947
Certificate name: 2157201.01
Approval: CSA
DEKRA Certification B.V.
Additional Approval Text C22.2
Certificate name: 1536071
Ship Approvals
Approval
Additional Approval Text
Certificate name
Language
Approval: ABS
American Bureau of Shipping
Additional Approval Text EN 60947
Certificate name: 20-HG1941090-PDA
Approval: BV
Bureau Veritas S.A.
Additional Approval Text EN 60947
Certificate name: 07436/F0 BV
Approval: DNV GL
Det Norske Veritas, Germanischer Lloyd
Additional Approval Text -
Certificate name: TAE00001V2
Approval: LR
Lloyds Register
Additional Approval Text EN 60947
Certificate name: 91/20112 (E9)
UL-Approvals
Approval
Additional Approval Text
Certificate name
Language
Approval: UL
UL International Germany GmbH
Additional Approval Text UL 1059
Certificate name: 20190731-E45172
Downloads
Documentation
Bid Text
Additional Information
CAD files
CAD data
2D/3D Models 280-641
CAE data
WSCAD Universe 280-641
EPLAN Data Portal 280-641
ZUKEN Portal 280-641
Required accessories
Compatible products
Installation Notes
4 Images
Installation

Snapping a terminal block onto the carrier rail.

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4 Images
Conductor termination

CAGE CLAMP® connection


Inserting a conductor.

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4 Images
Commoning

Commoning with adjacent jumpers (280‑402) and alternate jumpers (280‑409)

Push jumper down until fully inserted.

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5 Images
Testing

Testing with a test plug


(picture shows a test plug fitted with CAGE CLAMP®).

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1 Image
Cover

Protective warning markers inserted into the operating slots.

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