MK 3/4 B 1-4
Product image

MK 3/4 B 1-4

Single- and multi-pole terminal strip, Screw connection, medium yellow, 2.5 mm², 24 A, 400 V, Number of connections: 8, Number of levels: 1

Tuotteen tunnus 0274040000
Lataa tietosivu Engineering Support Product Downloads
Samankaltaiset tuotteet 1077
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 Product images Classifications

Approvals

Homologaciones
![](https://mdcop.weidmueller.com.cn/mediadelivery/rendition/900_319222/-S800/-T1z1mm-S80) 
![](https://mdcop.weidmueller.com.cn/mediadelivery/rendition/900_319226/-S800/-T1z1mm-S80) 
ROHS
Conform 

General ordering data

Version
Single- and multi-pole terminal strip, Screw connection, medium yellow, 2.5 mm², 24 A, 400 V, Number of connections: 8, Number of levels: 1 
Order No.
0274040000 
Type
MK 3/4 B 1-4 
GTIN (EAN)
4008190439484 
Qty.
50 items

Dimensions and weights

Depth
16.1 mm
Depth (inches)
0.634 inch
Height
15 mm
Height (inches)
0.591 inch
Width
35.75 mm
Width (inches)
1.407 inch
Net weight
14.04 g

Temperatures

Temperatura de almacenamiento
-25 °C...55 °C 
Temperatura ambiente
-5 °C…40 °C 
Continuous operating temp., min.
-60 °C
Continuous operating temp., max.
130 °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
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)

Tipo di collegamento, ulteriore collegamento
Screw connection 

Conductors for clamping (rated connection)

4 mm²
Anslutningsområde, min.
0.33 mm²
Blade size
0.6 x 3.5 mm 
Connection cross-section, stranded, max.
2.5 mm²
Connection cross-section, stranded, min.
0.33 mm²
IEC 60947-1 규격 게이지
A2 
Klämskruv
M 2.5 
Moment obrotowy dociągający, maks.
0.45 Nm
Torque level with DMS electric screwdriver
1 
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.
0.33 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, 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.
0.33 mm²
Wire connection cross-section, solid core, max.
4 mm²
Wire connection cross-section, solid core, min.
0.33 mm²
Вид соединения
Screw connection 
Вид соединения 2
Screw connection 
Длина зачистки изоляции
5 mm
Количество соединений
8 
Момент затяжки, мин.
0.4 Nm
결선 단면규격 AWG, 최대
AWG 12 
결선 방향
on side 

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

Guida equipaggiata
Mounting plate 
Nombre de pôles
4 
Szabványok
IEC 60947-7-1 
Telepítési útmutató
Direct mounting 
Vezeték csatlakozási keresztmetszet AWG, max.
AWG 12 
Vezeték csatlakozási keresztmetszet 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 

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