MK 3/6
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MK 3/6

Single- and multi-pole terminal strip, Screw connection, medium yellow, 2.5 mm², 24 A, 400 V, Number of connections: 12, Number of levels: 1

Item No. 0274220000
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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 Dimensions General Rating data UL rating data Product images Classifications

Approvals

Approvals
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![](https://mdcop.weidmueller.com.cn/mediadelivery/rendition/900_319226/-S800/-T1z1mm-S80)  
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![](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  
Certificate No. (cURusEX)
E184763  

General ordering data

Version
Single- and multi-pole terminal strip, Screw connection, medium yellow, 2.5 mm², 24 A, 400 V, Number of connections: 12, Number of levels: 1  
Order No.
0274220000  
Type
MK 3/6  
GTIN (EAN)
4008190153847  
Qty.
50  items

Dimensions and weights

Depth
16.1  mm
Depth (inches)
0.634  inch
Height
15  mm
Height (inches)
0.591  inch
Width
54.25  mm
Width (inches)
2.136  inch
Net weight
21.6  g

Temperatures

Storage temperature
-25 °C...55 °C  
Ambient temperature
-5 °C…40 °C  
Continuous operating temp., min.
-60  °C
Continuous operating temp., max.
130  °C

Environmental Product Compliance

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

Material data

Material
KrG  
Colour
medium yellow  
UL 94 flammability rating
5VA  

System specifications

Version
For the mounting rails  
End cover plate required
No  
Number of potentials
1  
Number of levels
1  
Rail
Mounting plate  

Additional technical data

Explosion-tested version
No  
Installation advice
Direct mounting  
Type of mounting
Direct mounting  

Conductors for clamping (additional connection)

Connection type, additional connection
Screw connection  

Conductors for clamping (rated connection)

Blade size
0.6 x 3.5 mm  
Clamping range, max.
4  mm²
Clamping range, min.
0.33  mm²
Clamping screw
M 2.5  
Connection cross-section, stranded, max.
2.5  mm²
Connection cross-section, stranded, min.
1.5  mm²
Connection direction
on side  
Gauge to IEC 60947-1
A2  
Number of connections
12  
Stripping length
5  mm
Tightening torque, max.
0.45  Nm
Tightening torque, min.
0.4  Nm
Torque level with DMS electric screwdriver
1  
Type of connection
Screw connection  
Type of connection 2
Screw connection  
Wire connection cross section AWG, max.
AWG 12  
Wire connection cross section AWG, min.
AWG 22  
Wire connection cross section, finely stranded, max.
2.5  mm²
Wire connection cross section, finely stranded, min.
0.5  mm²
Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/1, max.
1.5  mm²
Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/1, min.
0.5  mm²
Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/4, max.
1.5  mm²
Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/4, min.
0.5  mm²
Wire connection cross-section, solid core, max.
4  mm²
Wire connection cross-section, solid core, min.
0.5  mm²

CSA rating data

Certificate No. (CSA)
12400-149  
Current size C (CSA)
25 A  
Voltage size C (CSA)
300 V  
Wire cross section max. (CSA)
12 AWG  
Wire cross section min. (CSA)
22 AWG  

Dimensions

Fixing dimension
18.5  mm

General

Installation advice
Direct mounting  
Number of poles
6  
Rail
Mounting plate  
Standards
IEC 60947-7-1  
Wire connection cross section AWG, max.
AWG 12  
Wire connection cross section AWG, min.
AWG 22  

Rating data

Rated cross-section
2.5  mm²
Rated voltage
400  V
Rated DC voltage
400  V
Rated current
24  A
Current at maximum wires
24  A
Standards
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  
Conductor size Factory wiring max. (UR)
12 AWG  
Conductor size Factory wiring min. (UR)
22 AWG  
Conductor size Field wiring max. (UR)
12 AWG  
Conductor size Field wiring min. (UR)
22 AWG  
Current size B (UR)
20 A  
Current size D (UR)
5 A  
Voltage size B (UR)
300 V  
Voltage size D (UR)
600 V  

Product images

Classifications

ETIM 6.0
EC001284  
ETIM 7.0
EC001284  
ETIM 8.0
EC001284  
ETIM 9.0
EC001284  
ETIM 10.0
EC001284  
ECLASS 9.0
27-14-11-06  
ECLASS 9.1
27-14-11-06  
ECLASS 10.0
27-14-11-06  
ECLASS 11.0
27-14-11-06  
ECLASS 12.0
27-14-11-06  
ECLASS 13.0
27-14-11-06  
ECLASS 14.0
27-14-11-06  
ECLASS 15.0
27-14-11-06