Connectivity solutions for photovoltaic power systems
LC4®-CP – Connector Parts without cable
LC4-CP 30
LC4-CP 31
LC4® photovoltaic connector, field-attachable, with integra-
ted locking and crimp contact
LC4-CP 30: plug
LC4-CP 31: socket
1. Temperature range
-40 °C/+85 °C (IEC)
-40 °C/+90 °C (UL)
(+110 °C upper limit temperature)
2. Materials
halogen-free, UV-resistant
Insulating body
Contact pin/bush
Seal
m-PPE, V0 according to UL 94
CuNiSi, tinned
LC4-CP 30
LC4-CP 31
NBR
Cap nut
m-PC, V1 according to UL 94
3. Mechanical data
Insertion force1
≤ 20 N
≥ 10 N
Withdrawal force1
Retaining force of locking latches2 ≥ 90 N
Mating cycles2
50
Tightening torque cap nut
Mating with
3.5–4.5 Nm
photovoltaic connectors LC4
IP 68
Protection degree3
Connectable conductors crimp terminal
Photovoltaic cable, double-insulated4
Section LC4-CP 3... 2.5
Section LC4-CP 3... 4.0/6.0
Cable diameter
2.5 mm2 (AWG 14)
4.0 mm2 (AWG 12), 6.0 mm2 (AWG 10)
6.3 –7.8 mm
X
Approved cables on the Internet site www.lumberg.com
4. Elektrische Daten (at Tamb 20 °C)
Contact resistance2
Rated current (IEC)2
LC4-CP 3... 2.5
≤ 1 mΩ
22 A at Tamb 85 °C
30 A at Tamb 85 °C
LC4-CP 3... 4.0/6.0
Rated current (UL)2
Rated voltage5
35 A at Tamb 20 °C, both
1000 V DC (IEC)/600 V DC (UL)
III (8 kV)
Overvoltage category5
Material group5
I (IEC)/0 (UL) (CTI > 600)
Creepage distance/Clearance2 between
contact and touchable surfaces
contact and cable outlet
Isolationswiderstand
28.3 mm
21.2 mm
> 10 GΩ
1
2
3
measured with a polished steel gauge, nominal thickness 4.0 mm
measured with a proper counterpart
according to IEC 60529/DIN EN 60529
only in mated condition with a proper counterpart
IP X8 requirements under agreement between manufacturer and user
wire construction preferably according to IEC 60228 class 5, otherwise
crimp connection must be tested
4
5
according to DIN EN 60664/IEC 60664 resp. according to ANSI/UL 746A
®
Composition of type designation
Series: LC3 or LC4
Type of product
X
LC4-CP 30 IT
CP
Connector Part
Configuration
30
31
field-attachable plug
field-attachable socket
Polarity
-1
-2
+
–
Locking option
IT
Internal locking is only
unlockable with a Tool,
otherwise it can be un-
locked manually
*a marking + on LC4-CP 3...-1, - on LC4-CP 3...-2
*b hexagonal cap nut
Cable section
2.5
2.5 mm² (AWG 14)
4.0/6.0 4.0 mm² (AWG 12) and
6.0 mm² (AWG 10)
Package unit option
50 pieces (standard, pre-
assembled, contacts in bulk)
VP7
500 pieces (pre-assembled,
contacts in bulk)
VP19
50 pieces (one plastic bag
per connector, pre-assem-
bled, contacts in bulk)
Standard packaging: pre-assembled, contacts in bulk,
sorted in plastic bags of 50 pieces, in a cardboard box
LC4-CP 30-1 IT 4.0/6.0 VP7
www.lumberg.com
11/2012