Wago 280-687/999-950 Data Sheet

Data sheet | Item number:280-687/999-950

3-conductor ground terminal block; 2.5 mm²; suitable for Ex e II applications; center marking; for DIN-rail 35 x 15 and 35 x 7.5; CAGE CLAMP®

Color:

Item description

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:

280-687/999-950

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Data sheet | Item number:280-687/999-950

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, and aluminum conductors must first be cleaned with a blade then immediately be inserted into the clamping units filled with “Alu-Plus” Contact Paste.

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

Please note that the nominal currents must be adapted to the reduced conductivity of the aluminum conductors:

2.5mm² (14 AWG) = 16 A 4mm² (12 AWG) = 22 A

Data

Connection data

Connection technology

CAGE CLAMP

Actuation type Operating tool

Connectable conductor materials Copper

Aluminum

Solid conductor 0.08 … 2.5mm²/ 28 … 12AWG

Fine-stranded conductor 0.08 … 2.5mm²/ 28 … 12AWG

Strip length 8 … 9mm/ 0.31 … 0.35inch

Note (conductor cross-section) 12 AWG: THHN, THWN

Total number of connection points 3

Total number of potentials 1

Number of levels 1

Type of wiring Front-entry wiring

Geometrical Data

Width 5mm/ 0.197inch

Height from upper-edge of DIN-35 rail 28mm/ 1.102inch

Depth 64mm/ 2.52inch

Mechanical data

Design horizontal

Type of mounting DIN-35 rail

Marking level Center marking

Material Data

Color green-yellow

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Data sheet | Item number:280-687/999-950

Color green-yellow

Insulating material Polyamide 66 (PA 66)

Fire load 0.11 MJ

Weight 11.283g

Commercial data

Country of origin DE

GTIN 4045454103699

Customs Tariff No. 85369010000

Approvals / Certificates

Ex-Approvals

Logo Approval Additional Approval Text

Certificate name

AEx

UL International Germany GmbH c/o Physikalisch Technische Bundesanstalt

UL 60079 E185892

sec.1

ATEx

Physikalisch Technische Bundesanstalt (PTB)

EN 60079 PTB 99

ATEX 3109 U

Country specific Approvals

Logo Approval Additional Approval Text

Certificate name

CCA

DEKRA Certification B.V.

EN 60947 2157201.01

CSA

DEKRA Certification B.V.

C22.2 1536071

Ship Approvals

Logo Approval Additional Approval Text

Certificate name

ABS

American Bureau of Shipping

EN 60947 14-

HG1293677PDA

Bureau Veritas S.A.

EN 60947 07436/E0 BV

DNV GL

- TAE00001V2

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Data sheet | Item number:280-687/999-950

Det Norske Veritas, Germanischer Lloyd

Lloyds Register

EN 60947 91/20112

(E9)

UL-Approvals

Logo Approval Additional Approval Text

Certificate name

UL International Germany GmbH

UL 1059 E45172

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