www.lumberg.com 08/2010
Connectivity solutions for photovoltaic power systems
LC4®-CP – Connector Parts without cable
Standard packaging: preassembled, contacts in bulk,
sorted in plastic bags of 50 pieces, in a cardboard box
LC4CP 30
LC4CP 31
*a marking + on LC4CP 3...1,  on LC4CP 3...2
*b hexagonal cap nut
LC4CP 30 LC4CP 31
X
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 mPPE, V0 according to UL 94
Contact pin/bush CuNiSi, tinned
Seal NBR
Cap nut mPC, V1 according to UL 94
3. Mechanical data
Insertion force1≤20 N
Withdrawal force1≥10 N
Retaining force of locking latches2≥90 N
Mating cycles250
Tightening torque cap nut 3.5–4.5 Nm
Mating with photovoltaic connectors LC4
Protection degree3IP 68
Connectable conductors crimp terminal
Photovoltaic cable, doubleinsulated4
Section LC4CP 3... 2.5 2.5
mm2
(AWG 14)
Section LC4CP 3... 4.0/6.0 4.0
mm2
(AWG 12), 6.0
mm2
(AWG 10)
Cable diameter
6.3 –7.8 mm
Approved cables on the Internet site www.lumberg.com
4. Elektrische Daten (at Tamb 20 °C)
Contact resistance2≤1 mΩ
Rated current (IEC)2
LC4CP 3... 2.5 22 A at Tamb 85 °C
LC4CP 3... 4.0/6.0 30 A at Tamb 85 °C
Rated current (UL)235 A at Tamb 20 °C, both
Rated voltage51000 V DC (IEC)/600 V DC (UL)
Overvoltage category5III (8 kV)
Material group5I (IEC)/0 (UL) (CTI > 600)
Creepage distance/Clearance2between
contact and touchable surfaces 28.3 mm
contact and cable outlet 21.2 mm
Isolationswiderstand > 10 GΩ
1measured with a polished steel gauge, nominal thickness 4.0 mm
2measured with a proper counterpart
3according to IEC 60529/DIN EN 60529
only in mated condition with a proper counterpart
IP X8 requirements under agreement between manufacturer and user
4wire construction preferably according to IEC 60228 class 5, otherwise
crimp connection must be tested
5according to DIN EN 60664/IEC 60664 resp. according to ANSI/UL 746A
XLC4CP 30 IT
®
Composition of type designation
Series: LC3 or LC4
Type of product
CP Connector Part
Configuration
30 fieldattachable plug
31 fieldattachable socket
Polarity
1 +
2 –
Locking option
IT Internal locking is only
unlockable with a Tool,
otherwise it can be un
locked manually
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)
LC4CP 301 IT 4.0/6.0 VP7