MK 3/7
Product image

MK 3/7

Single- and multi-pole terminal strip, Screw connection, medium yellow, 2.5 mm², 24 A, 400 V, Number of connections: 14, Number of levels: 1

Product ID 0274320000
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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
![](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_319231/-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 
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: 14, Number of levels: 1 
Order No.
0274320000 
Type
MK 3/7 
GTIN (EAN)
4008190187507 
Qty.
50 items

Dimensions and weights

Depth
16,1 mm
Depth (inches)
0,634 inch
Height
15 mm
Height (inches)
0,591 inch
Width
63,5 mm
Width (inches)
2,5 inch
Net weight
22,528 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

Basic 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 
Mounting rail
Mounting plate 

Additional technical data

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

Conductors for clamping (additional connection)

Typ připojení, další připojení
Screw connection 

Conductors for clamping (rated connection)

4 mm²
Anschlussrichtung
on side 
Anzugsdrehmoment, max.
0,45 Nm
Clamping screw
M 2.5 
Connection cross-section, stranded, max.
2,5 mm²
Connection cross-section, stranded, min.
0,33 mm²
Ledararea, fintrådig med ändhylsor DIN 46228/4, min.
0,33 mm²
Lehrdorn nach 60 947-1
A2 
Leiteranschlussquerschnitt AWG, max.
AWG 12 
Número de conexiones
14 
Sección de embornado, mín.
0,33 mm²
Stripping length
5 mm
Tightening torque, min.
0,4 Nm
Tipo de conexión
Screw connection 
Torque level with DMS electric screwdriver
1 
Type of connection 2
Screw connection 
Wielkość ostrza
0.6 x 3.5 mm 
Wire connection cross section, finely stranded, max.
2,5 mm²
Wire connection cross section, finely stranded, min.
0,33 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.
0,33 mm²
Wire connection cross-section, solid core, max.
4 mm²
Wire connection cross-section, solid core, min.
0,33 mm²
Сечение соединения проводов, тонкий скрученный с кабельными наконечниками DIN 46228/4, макс.
1,5 mm²
결선 단면규격 AWG, 최소
AWG 22 

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 
Mounting rail
Mounting plate 
Number of poles
7 
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
Nominal 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 8.0
EC001284 
ETIM 9.0
EC001284 
ETIM 10.0
EC001284 
ECLASS 14.0
27-14-11-06 
ECLASS 15.0
27-14-11-06