Electrical installation 61
DC PV quick connector assembly (-SX)
WARNING! Do not do electrical work on the unit unless you are a qualified
electrician. Obey the instructions in Chapter Safety on page 11. Failure to obey
the safety instructions can cause injury or death, electromagnetic interference and
equipment malfunction.
To disassemble the PV quick connector, refer to the manufacturer’s documentation.
To assemble the PV quick connector:
1. Make sure that the DC cables are isolated from power. Refer to Inverter isolation on page
16.
2. Use Phoenix Contact SUNCLIX connectors. Make sure that the cables are of the correct
type and diameter. Refer to www.phoenixcontact.com for more information.
Connector type Cable cross
section
Cable outer
diameter
Rated current
IEC (90 °C)
DC+: PV-CF-S (1774674)
DC-: PV-CM-S (1774687)
2.5…6.0 mm
2
5.0…8.0 mm 27 A (2.5 mm
2
)
40 A (4.0…6.0 mm
2
)
3. Remove 15 mm of the insulation to
expose the conductor.
4. Install the conductor into the spring
cage contact of the connector.
Make sure that the conductor is
fully in the connector.
5. Fully close the spring.
6. Install the cable gland over the
spring cage contact.
7. Tighten the cable gland to 2 N·m.
15mm
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