Wago 280-839 Data Sheet

Data sheet | Item number:280-839

4-conductor disconnect terminal block; for DIN-rail 35 x 15 and 35 x 7.5; 2.5 mm²; 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:

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

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Data sheet | Item number:280-839

Data

Electrical data

Ratings per IEC/EN 60664-1

Rated voltage (III / 3) 400 V

Rated impulse voltage (III / 3) 6 kV

Rated current 10 A

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 4

Total number of potentials 2

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 52.5mm/ 2.067inch

Depth 75mm/ 2.953inch

Mechanical data

Design horizontal

Type of mounting DIN-35 rail

Marking level Center marking

Material Data

Color blue

Insulating material Polyamide 66 (PA 66)

Fire load 0.153 MJ

Weight 9.399g

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Data sheet | Item number:280-839

Commercial data

Product Group 1 (Rail Mounted Terminal Blocks)

Country of origin DE

GTIN 4044918557672

Customs Tariff No. 85365080990

Approvals / Certificates

Country specific Approvals

Logo Approval Additional Approval Text

Certificate name

CSA

DEKRA Certification B.V.

C22.2 1536071

UL-Approvals

Logo Approval Additional Approval Text

Certificate name

Underwriters Laboratories Inc.

UL 1059 20170731-

E45172

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Data sheet | Item number:280-839

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