282 / 439
7/90
DC string circuit-breakers, DC switch-disconnectors
DC string circuit-breakers, open
2010
CA08103002Z-EN
www.eaton.comDC stringcircuit-breakers,open
PKZ-SOL12
PKZ-SOL20
PKZ-SOL30
PKZ-SOL40
PKZ-SOL50
PKZ-SOL60
Rated operational current at
DC-21A/750VDC
I
e
A 12
20
30
40
50
63
Number of poles
2
2
2
2
2
2
Rated operational voltage
U
e
V DC 900
900
900
900
900
900
Thermal tripping
1.05 ...1.3
x I
e
Electromagnetic tripping
6
x I
e
Standards
IEC/EN 60 947-2
UL 508, TÜV certificate
Climatic proofing
Damp heat, constant, to IEC 60 068-2-78
Damp heat, cyclic, to IEC 60 068-2-30
Ambient temperature
Open
min./max.
°C -25 ... +60
-25 ...
+60
-25 ...
+60
-25 ...
+60
-25 ...
+60
-25 ...
+60
Mounting position
PKZ-SOL12
to PKZ-SOL60
PKZ-SOL12
to PKZ-SOL30
Dimensions
Width
mm 58
58
58
55
55
55
Height
mm 93
93
93
140
140
140
Depth
mm 76
76
76
160
160
160
Mounting
Top-hat rail
35
mm
35
mm
35
mm
35
mm
35
mm
35
mm
Screw mounting
–
–
–
2
x M4 x 18
30
x 130
2
x M4 x 18
30
x 130
2
x M4 x 18
30
x 130
Weight
kg
0.32
0.32
0.32
1.25
1.25
1.25
Terminals
flexible with ferrule
mm
2
1
x (1-6)
1
x (1-6)
1
x (1-6)
1
x (1-35)
1
x (1-35)
1
x (1-35)
mm
2
2
x (1-6)
2
x (1-6)
2
x (1-6)
2
x (1-35)
2
x (1-35)
2
x (1-35)
solid/stranded
AWG 18 - 14
18 - 14
18 - 14
14 - 2
14 - 2
14 - 2
Internal resistance
mΩ 31
12
7
–
–
–
90
°
90
°
90
°
PKZ-SOL