Wago

773-493

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Part Number
773-493
Tariff Code
85369010000
UPC
4055143287593
ETIM
Group Code : EG000047
Group Description : Installation, isolation and connection material
Class Description : Screw less terminal
Class Code : EC000446
Version : 7
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Ratings Per Iec/En

Ratings per
EN 60079

Environmental Requirements

Continuous operating temperature
105 °C

Physical Data

Width
25.6 mm / 1.008 inches
Height
14.2 mm / 0.559 inches
Depth
20.1 mm / 0.791 inches

Material Data

Note (material data)
<a href="https://www.wago.com/us/material-specifications" href="_blank">Information on material specifications can be found here</a>
Color
Light gray
Cover color
Light gray
Flammability class per UL94
V2
Fire load
0.113 MJ
Weight
5.750 g

Specifications

Product Group Code
0007

Commercial Data

Packaging type
Box
Country of origin
CN
GTIN
4055143287593
Customs tariff number
85369010000

Notes

Safety information 2
To be used only in conjunction with a mounting carrier (773‑331).

Ex Information

Rated voltage EN (Ex e II)
550 V
Note (rated voltage)
275 V at a distance < 10 mm to parts of other potentials
Rated current (Ex e II)
42 A

Connection 1

Connection technology
PUSH WIRE®
Actuation type
Push-in
Connectable conductor materials
Copper || Aluminum
Connectable conductor materials (note)
Terminating Aluminum ConductorsWAGO spring clamp terminal blocks are suitable for solid aluminum conductors up to 4 mm²/12 AWG if WAGO “Alu-Plus” Contact Paste <a href="https://www.wago.com/249-130">249-130</a> 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.For spring clamp connections with PUSH WIRE® connection technology, WAGO recommends that the aluminum conductor first be cleaned and then immediately inserted into the clamping unit 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 A4 mm² = 22 A
Solid conductor
2.5 … 6 mm² / 14 … 10 AWG
Stranded conductor
2.5 … 6 mm² / 14 … 10 AWG
Strip length
12 … 15 mm / 0.47 … 0.59 inches
Wiring direction
Side-entry wiring

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