AST 1 6.3/2.8
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AST 1 6.3/2.8

Feed-through terminal block, Flat-blade connection, beige / yellow, 2.5 mm², 20 A, 500 V, Number of connections: 4

Ürün No. 0478260000
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Approvals General ordering data Dimensions and weights Temperatures Environmental Product Compliance Material data System specifications Additional technical data Conductors for clamping (additional connection) Conductors for clamping (rated connection) CSA rating data General Other connections Rating data UL rating data Classifications

Approvals

Approvals
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![](https://mdcop.weidmueller.com.cn/mediadelivery/rendition/900_319226/-S800/-T1z1mm-S80)  
![](https://mdcop.weidmueller.com.cn/mediadelivery/rendition/900_319234/-S800/-T1z1mm-S80)  
![](https://mdcop.weidmueller.com.cn/mediadelivery/rendition/900_319262/-S800/-T1z1mm-S80)  
![](https://mdcop.weidmueller.com.cn/mediadelivery/rendition/900_319260/-S800/-T1z1mm-S80)  
ROHS
Conform  
UL File Number Search
[UL Website](https://database.ul.com/cgi-bin/XYV/cgifind/LISEXT/1FRAME/gfilenbr.html)  
Certificate No. (UR)
E60693  

General ordering data

Version
Feed-through terminal block, Flat-blade connection, beige / yellow, 2.5 mm², 20 A, 500 V, Number of connections: 4  
Order No.
0478260000  
Type
AST 1 6.3/2.8  
GTIN (EAN)
4008190003043  
Qty.
50  adet

Dimensions and weights

Depth
46  mm
Depth (inches)
1,811  inch
Height
58  mm
Height (inches)
2,283  inch
Width
6,5  mm
Width (inches)
0,256  inch
Net weight
10,84  g

Temperatures

Storage temperature
-25 °C...55 °C  
Ambient temperature
-5 °C…40 °C  
Continuous operating temp., min.
-50  °C
Continuous operating temp., max.
100  °C

Environmental Product Compliance

RoHS Compliance Status
Compliant without exemption  
REACH SVHC
No SVHC above 0.1 wt%  

Material data

Material
PA 66  
Colour
beige / yellow  
UL 94 flammability rating
V-2  

System specifications

Version
With cable lug connection F2.8  
With cable lug connection F6.3  
for screwable cross-connection  
One end without connector  
End cover plate required
Yes  
Number of potentials
1  
Number of levels
1  
Number of clamping points per level
4  
Number of potentials per tier
1  
Levels cross-connected internally
No  
PE connection
No  
Rail
TS 32  
N-function
No  
PE function
No  
PEN function
No  

Additional technical data

Explosion-tested version
No  
Installation advice
Direct mounting  
Number of similar terminals
1  
Open sides
right  
Type of mounting
Snap-on  

Conductors for clamping (additional connection)

Connection type, additional connection
Flat-blade connection  

Conductors for clamping (rated connection)

Clamping range, max.
2,5  mm²
Clamping range, min.
0,5  mm²
Connection cross-section, stranded, max.
2,5  mm²
Connection cross-section, stranded, min.
0,5  mm²
Connection direction
top  
Number of connections
4  
Type of connection
Flat-blade connection  
Wire connection cross section AWG, max.
AWG 12  
Wire connection cross section AWG, min.
AWG 20  
Wire connection cross section, finely stranded, max.
2,5  mm²
Wire connection cross section, finely stranded, min.
0,5  mm²
Wire connection cross-section, solid core, max.
2,5  mm²
Wire connection cross-section, solid core, min.
0,5  mm²

CSA rating data

Certificate No. (CSA)
12400-142  
Current size C (CSA)
16 A  
Voltage size C (CSA)
300 V  

General

Installation advice
Direct mounting  
Rail
TS 32  
Standards
IEC 61210  
In accordance with IEC 60947-7-1  
Wire connection cross section AWG, max.
AWG 12  
Wire connection cross section AWG, min.
AWG 20  

Other connections

Rated cross-section spade connector 2.8 mm
1  mm²
Rated cross-section spade connector 6.3 mm
2,5  mm²

Rating data

Rated cross-section
2,5  mm²
Rated voltage
500  V
Rated DC voltage
500  V
Rated current
20  A
Current at maximum wires
20  A
Standards
IEC 61210  
In accordance with IEC 60947-7-1  
Volume resistance according to IEC 60947-7-x
1,33  mΩ
Rated impulse withstand voltage
6 kV  
Power loss in accordance with IEC 60947-7-x
0,77  W
Pollution severity
3  

UL rating data

Certificate No. (UR)
E60693  
Current size C (UR)
13 A  
Voltage size C (UR)
300 V  

Classifications

ETIM 6.0
EC000897  
ETIM 7.0
EC000897  
ETIM 8.0
EC000897  
ETIM 9.0
EC000897  
ETIM 10.0
EC000897  
ECLASS 9.0
27-14-11-20  
ECLASS 9.1
27-14-11-20  
ECLASS 10.0
27-14-11-20  
ECLASS 11.0
27-14-11-20  
ECLASS 12.0
27-14-11-20  
ECLASS 13.0
27-25-01-01  
ECLASS 14.0
27-25-01-01  
ECLASS 15.0
27-25-01-01