- High quality 6 stud terminal blocks made from a flame-retardant base.
- 160°C Rated, UL94 V-0 Flame Retardant with a working voltage of 660 volts (BS 2618).
- Studs made from mild steel that has been zinc plated and yellow chromate passivated.
- Supplied with 12 nuts, 12 washers and 3 bridge links.
KM Series Terminal Blocks are widely used on low to medium voltage electric motors.
We are pleased to offer these essential electrical components in a selection of sizes; all available for fast dispatch and delivery nation-wide.
Our KM Series Motor Terminal Blocks are stocked in 5 different configurations. The sizing chart below provides the full dimensions for each. This is then followed with more information on the electrical properties of each model as well as more information on the shared characteristics of all the sizes.
Electrical Properties of Different Terminal Block Models.
| Model # |
Max. Tightening Torque |
Max. Cable Shoe Size |
Breakdown Terminal to Terminal* |
Breakdown Terminal to Earth |
Link Current Rating |
| KM4 |
2.0 N/m |
6mm² |
12 kV |
8 kV |
16 amps |
| KM5 |
4.0 N/m |
16mm² |
14 kV |
8 kV |
25 amps |
| KM6 |
6.8 N/m |
35mm² |
16.8 kV |
11 kV |
60 amps |
| KM8 |
16.5 N/m |
70mm² |
18.4 kV |
13 kV |
100 amps |
| KM10 |
32.8 N/m |
120mm² |
22 kV |
14 kV |
160 amps |
*Breakdown voltage using a 50Hz supply.
Shared Properties of our KM Series Motor Terminal Blocks.
| Base Material |
Flame Retardant Fibreglass Reinforced Polyester (Polyester-Glass Laminate) |
| Flame Retardant Rating |
UL 94 V-0 |
| Colour |
Grey |
| Oxygen Index |
30% (BS 2782 method 141 & ISO 4589) |
| Stud Material |
Mild steel, zinc plated & yellow chromate. |
| Number of Studs |
6 |
| Thread |
Isometrix Medium Fit Coarse Thread Class 6H / 6G |
| CTI |
>600 Volts (BS 5901 & IEC 112) |
| Working Voltage (Ue) |
660 Volts (BS 2618) |
KM Series Terminal Blocks Sizing.
| Model # |
A |
B |
C |
D |
E |
F |
Hole Size |
H |
J |
Thread Size |
| KM4 |
20mm |
54mm |
34mm |
5mm |
16mm |
29mm |
5.5mm Ø |
20mm |
10mm |
M4 |
| KM5 |
23mm |
64mm |
40mm |
5mm |
18mm |
31mm |
5.5mm Ø |
23mm |
10mm |
M5 |
| KM6 |
28mm |
78mm |
48mm |
6mm |
23mm |
39mm |
6.6mm Ø |
28mm |
11mm |
M6 |
| KM8 |
35mm |
96mm |
60mm |
8mm |
28mm |
46mm |
9mm Ø |
35mm |
15mm |
M8 |
| KM10 |
45mm |
120mm |
75mm |
10mm |
34mm |
56mm |
11mm Ø |
45mm |
18mm |
M10 |
| KM12 |
55mm |
150mm |
95mm |
16mm |
40mm |
65mm |
11.5mm Ø |
55mm |
19mm |
M12 |
