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

Product ID 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 Rating data UL rating data Classifications

Approvals

Approvals
![](https://mdcop.weidmueller.com/mediadelivery/rendition/900_319222/-S800/-T1z1mm-S80) 
![](https://mdcop.weidmueller.com/mediadelivery/rendition/900_319226/-S800/-T1z1mm-S80) 
![](https://mdcop.weidmueller.com/mediadelivery/rendition/900_319234/-S800/-T1z1mm-S80) 
![](https://mdcop.weidmueller.com/mediadelivery/rendition/900_319262/-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 
VPE
50 items

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

Temperatura de almacenamiento
-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

Estado de cumplimiento de la directiva RoHS
Compliant without exemption 
REACH SVHC
No SVHC above 0.1 wt% 

Material data

Basic 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 
Mounting 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)

Type de raccordement, autre raccordement
Flat-blade connection 

Conductors for clamping (rated connection)

2,5 mm²
Nombre de raccordements
4 
Plage de serrage, min.
0,5 mm²
Section de raccordement du conducteur, AWG, max.
AWG 12 
Section de raccordement du conducteur, AWG, min.
AWG 20 
Section de raccordement du conducteur, souple avec embout DIN 46228/4, min.
0,5 mm²
Sens de raccordement
top 
Type de raccordement
Flat-blade connection 
Vezeték csatlakozás keresztmetszet, finomsodratú, érvéghüvelyekkel DIN 46228/1, névleges csatlakozás, min.
0,5 mm²
Сечение подсоединяемого провода, скрученный, макс.
2,5 mm²
Сечение подсоединяемого провода, скрученный, мин.
0,5 mm²
Сечение подсоединяемого провода, тонкий скрученный, мин.
0,5 mm²
Сечение соединения проводов, твердое ядро, макс.
2,5 mm²
Сечение соединения проводов, твердое ядро, мин.
0,5 mm²
와이어 결선 단면, 가는 꼬임, 최대
2,5 mm²
와이어 결선 단면, 가는 꼬임, 최소
0,5 mm²

CSA rating data

Напряжение, класс C (CSA)
300 V 
Сертификат № (CSA)
12400-142 
Ток, разм. C (CSA)
16 A 

General

Barrette de liaison équipée
TS 32 
Instruction de montage
Direct mounting 
Normes
IEC 61210 
In accordance with IEC 60947-7-1 
Section de raccordement du conducteur, AWG, max.
AWG 12 
Section de raccordement du conducteur, AWG, min.
AWG 20 

Rating data

Rated cross-section
2,5 mm²
Rated voltage
500 V
Rated DC voltage
500 V
Nominal 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 8.0
EC000897 
ETIM 9.0
EC000897 
ETIM 10.0
EC000897 
ECLASS 14.0
27-25-01-01 
ECLASS 15.0
27-25-01-01